Tag Archives: air compressor 7bar

China wholesaler Diesel Screw Air Compressor 2.2m3 7bar 75cfm air compressor CHINAMFG freight

Product Description

Model			DS75S7F
Compressor	Air delivery	m3/min	2.2
		cu.ft/min	75
	Discharge pressure	bar	7
		psig	101.5
	Lubricating Oil capacity	L	20
Diesel Engine	Manufacture&Model		2V08E
	Displacement(L)		0.794
	Rotation speed(Rmp)	Operating	3600
		Idle speed(r/min)	2200
	Rated power(KW)		16
	Lubricating Oil capacity(L)		2.5
	Battery		95D31RX/6-QW-125MIN

Standard Configuration

. Suction valve Lubricating oil filter     Oil thermostatic valve   50°C radiator
Solenoid valve    Vertical air/oil tank Pressure regular valve              Air/oil separator
  Lubricating oil radiator      Safety valve   Emergency stop button                         Air filter of engine
Minimum pressure valve Lockable battery isolator switch
Air filter of compressor      Vent valve       Powder coated canopy         Shuttle valve
24V sealed for life maintenance free battery                            Fuel tank for 8 hours running

General Features

Application areas

Field	Application	Nominal Working Pressure(bar)	Free Air Delivery Range(m3/min)
General Construction (building sites, road maintenance, bridges, tunnels, concrete pumping and shotcreting)	Hand-held pneumatic breakers	7~14	5~13
	Jack hammers
	Air guns
	Shotcrete equipment
	Pneumatic wrenches
	Nut runners
Ground Engineering Drilling (basement and foundation excavation for apartment blocks and other buildings)	Pneumatic rock drills	7~17	12~28
	Block cutters
	Dewatering pumps.
	Hand-held pneumatic breakers
Utility, CHINAMFG Blasting (shipyards, steel construction and large renovation jobs)	Sandblasting (remove rust, scale, paint)	7~10	10~22
Blast Hole Drilling (aggregate production for construction stabilization, cement production in limestone quarries and open pit mining)	Rock drills	14~21	12~29
	Dewatering pumps
	Hand-held breakers
High Pressure Drilling (drilling for water wells and foundations for high-rise buildings, along with geotechnical/geothermal applications)	Water well drilling	20~35	18~40
	DTH drilling
	Rotary drilling

Selection table

Small Series
Small Series	FAD		Pressure		Engine model	Dimensional Date(mm)
Small Series	m3/min	cfm	Bar	psig		length		width	height	weight(kg)
model	m3/min	cfm	Bar	psig		with tow bar	without tow bar	width	height	weight(kg)
MDS55S-7	1,55	55	7	101,5	D902	2925	1650	1200	1200	600
MDS80S-7	2,24	80	7	101,5	D1005	2925	1650	1200	1200	630
MDS100S-7	2,8	100	7	101,5	V1505	2925	1650	1200	1200	640
MDS125S-7	3,5	125	7	101,5	V1505	3065	1800	1500	1350	810
MDS130S-8	3,7	132	8	116	JE493	3065	1800	1500	1350	810
MDS185S-7	5,18	185	7	101,5	JE493	3200	1900	1740	1660	950
MDS185S-10	5,18	185	10	145	JE493	3050	1900	1740	1660	950

Middle Series (Low&Medium pressure)
Middle Series (Low&Medium pressure)	FAD		Pressure		Engine model	Dimensional Date(mm)
Middle Series (Low&Medium pressure)	m3/min	cfm	Bar	psig		length		width	height	weight(kg)
model	m3/min	cfm	Bar	psig		with tow bar	without tow bar	width	height	weight(kg)
MDS265S-7	7,42	265	7	101,5	JE493	3629	2200	1700	1470	1200
MDS300S-14	8,4	300	14	203	4BTA3.9	3850	2600	1810	2378	1800
MDS350S-10	9,9	354	10	145	4BT3.9	3850	2600	1810	2378	1800
MDS390S-7	11	393	7	101,5	4BTA3.9	3850	2600	1810	2378	1800
MDS390S-13	11	393	13	188,5	QSB4.5	3850	3100	1810	2378	1980
MDS429S-7	12	429	7	101,5	4BTA3.9	3850	2600	1810	2378	1800
MDS429S-14	12	429	14	203	QSB4.5	3850	3100	1810	2378	1980
MDS500S-14	14,1	504	14	203	6BTAA5.9	4550	3600	1810	2378	3100
MDS690S-14	19,3	689	14	203	QSB6.7	4950	3300	2170	2620	3500
MDS720S-10	20,2	721	10	145	QSB6.7	4950	3300	2170	2620	3500
MDS750S-12	21	750	12	174	QSB6.7	4950	3300	2170	2620	3500
MDS786S-10.3	22	786	10,3	149,35	QSB6.7	4950	3300	2170	2620	3500
MDS820S-14	23	821	14	203	6LTAA8.9	5300	4200	2170	2630	5200
MDS850S-8.6	24	857	8,6	124,7	6CTAA8.3	5300	4200	2170	2630	4600
MDS900S-7.1	25,3	904	7,1	102,95	6CTA8.3	5300	4200	2170	2630	4600

Middle Series (Medium&High pressure)
Middle Series (Medium&High pressure)	FAD		Pressure		Engine model	Dimensional Date(mm)
Middle Series (Medium&High pressure)	m3/min	cfm	Bar	psig		length		width	height	weight(kg)
model	m3/min	cfm	Bar	psig		with tow bar	without tow bar	width	height	weight(kg)
MDS460S-17	13	464	17	246,5	6BTAA5.9	4600	3500	1800	2230	3500
MDS620S-17	17,4	621	17	246,5	6LTAA8.9	5300	4200	2170	2630	5200
MDS650S-19	18,2	650	19	275,5	QSL8.9	5300	4200	2170	2630	5200
MDS690S-20.4	19,4	693	20,4	295,8	6LTAA8.9	5300	4200	2170	2630	5200
MDS770S-21	21,6	771	21	304,5	6LTAA8.9	5300	4200	2100	2630	5280
MDS830S-18	23,2	830	18	261	6LTAA8.9	5300	4200	2100	2630	5280
MDS820S-25	23	821	25	362,5	QSM11	5300	4200	2100	2630	5600
MDS860S-20.4/17.3	24,2	864	20,4	295,8	QSL8.9	5300	4200	2100	2630	5280
MDS860S-20.4/17.3	24,2	864	17,3	250,85	QSL8.9	5300	4200	2100	2630	5280
MDS875S-23	24,5	875	23	333,5	QSM11	5300	4200	2100	2630	5600

Large Series (Low&Medium pressure)
Large Series (Low&Medium pressure)	FAD		Pressure		Engine model	Dimensional Date(mm)
Large Series (Low&Medium pressure)	m3/min	cfm	Bar	psig		length		width	height	weight(kg)
model	m3/min	cfm	Bar	psig		with tow bar	without tow bar	width	height	weight(kg)
MDS900S-14.2/10.5	25,1	896	14,2	205,9	6LTAA8.9	5300	4200	2100	2630	5280
MDS900S-14.2/10.5	25,2	900	10,5	152,25	6LTAA8.9	5300	4200	2100	2630	5280
MDS910S-14	25,6	914	14	203	6LTAA8.9	5300	4200	2100	2630	5280
MDS970S-10	27,2	971	10	145	QSL8.9	5300	4200	2100	2630	5280
MDS1011S-8.6	28,3	1011	8,6	124,7	QSL8.9	5300	4200	2100	2630	5280
MDS1054S-12	29,5	1054	12	174	QSL8.9	5300	4200	2100	2630	5280
MDS1250S-8.6	35	1250	8,6	124,7	QSL8.9	5300	4200	2100	2630	5280
MDS1400S-13	40	1400	13	188,5	QSZ13	6200	4700	2100	2630	5800
MDS1600S-10.3	45	1600	10,3	149,35	QSZ13	6200	4700	2100	2630	5800
MDS1785S-13	50	1785	13	188,5	QSZ13	6200	4700	2100	2630	5800
MDS2140S-10	60	2142	10	145	QSZ14	7400	5400	2230	2630	8400

Large Series (Medium&High pressure)
Large Series (Medium&High pressure)	FAD		Pressure		Engine model	Dimensional Date(mm)
Large Series (Medium&High pressure)	m3/min	cfm	Bar	psig		length		width	height	weight(kg)
model	m3/min	cfm	Bar	psig		with tow bar	without tow bar	width	height	weight(kg)
MDS900S-20	25,3	904	20	290	QSM11	5300	4200	2100	2630	5800
MDS960S-18	26,9	961	18	261	QSM11	5300	4200	2100	2630	5800
MDS1000S-35	28,2	1000	35	507,5	QSZ13	6200	4700	2100	2630	7200
MDS1089S-25	30,5	1089	25	362,5	QSZ13	6200	4700	2100	2630	7200
MDS1200S-24	33,6	1200	24	348	QSZ13	6200	4700	2100	2630	7200
MDS1250S-21	35	1250	21	304,5	QSZ13	6200	4700	2100	2630	7200
MDS1250S-25	35	1250	25	362,5	QSZ13	6200	4700	2100	2630	7200
MDS1250S-30	35	1250	30	435	WP17G770E302	6200	4700	2100	2630	7800
MDS1250S-35	35	1250	35	507,5	WP17G770E302	6200	4700	2100	2630	7800
MDS1250S-40	35	1250	40	580	WP17G770E302	6200	4700	2100	2630	7800
MDS1428S-18	40	1428	18	261	QSZ13	6200	4700	2100	2630	7200
MDS1428S-35	40	1428	35	507,5	TAD1643VE-B	7400	5500	2180	2650	10000
MDS1428S-40	40	1428	40	580	QSK19	7400	5500	2180	2650	10000
MDS1600S-25	44,8	1600	25	362,5	WP17G770E302	7400	5500	2180	2650	10000

GTL Air compressor test system

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	Online
Warranty:	1year
Lubrication Style:	Lubricated
Cooling System:	Water Cooling
Power Source:	Diesel Engine
Cylinder Position:	Vertical

Customization:	Available \|

air compressor

How are air compressors employed in the petrochemical industry?

Air compressors play a vital role in the petrochemical industry, where they are employed for various applications that require compressed air. The petrochemical industry encompasses the production of chemicals and products derived from petroleum and natural gas. Here’s an overview of how air compressors are utilized in the petrochemical industry:

1. Instrumentation and Control Systems:

Air compressors are used to power pneumatic instrumentation and control systems in petrochemical plants. These systems rely on compressed air to operate control valves, actuators, and other pneumatic devices that regulate processes such as flow control, pressure control, and temperature control. Compressed air provides a reliable and clean source of energy for these critical control mechanisms.

2. Pneumatic Tools and Equipment:

Petrochemical plants often utilize pneumatic tools and equipment for various tasks such as maintenance, repair, and construction activities. Air compressors supply the necessary compressed air to power these tools, including pneumatic drills, impact wrenches, grinders, sanders, and painting equipment. The versatility and convenience of compressed air make it an ideal energy source for a wide range of pneumatic tools used in the industry.

3. Process Air and Gas Supply:

Petrochemical processes often require a supply of compressed air and gases for specific applications. Air compressors are employed to generate compressed air for processes such as oxidation, combustion, and aeration. They may also be used to compress gases like nitrogen, hydrogen, and oxygen, which are utilized in various petrochemical reactions and treatment processes.

4. Cooling and Ventilation:

Petrochemical plants require adequate cooling and ventilation systems to maintain optimal operating conditions and ensure the safety of personnel. Air compressors are used to power cooling fans, blowers, and air circulation systems that help maintain the desired temperature, remove heat generated by equipment, and provide ventilation in critical areas.

5. Nitrogen Generation:

Nitrogen is widely used in the petrochemical industry for applications such as blanketing, purging, and inerting. Air compressors are utilized in nitrogen generation systems, where they compress atmospheric air, which is then passed through a nitrogen separation process to produce high-purity nitrogen gas. This nitrogen is used for various purposes, including preventing the formation of explosive mixtures, protecting sensitive equipment, and maintaining the integrity of stored products.

6. Instrument Air:

Instrument air is essential for operating pneumatic instruments, analyzers, and control devices throughout the petrochemical plant. Air compressors supply compressed air that is treated and conditioned to meet the stringent requirements of instrument air quality standards. Instrument air is used for tasks such as pneumatic conveying, pneumatic actuators, and calibration of instruments.

By employing air compressors in the petrochemical industry, operators can ensure reliable and efficient operation of pneumatic systems, power various tools and equipment, support critical processes, and maintain safe and controlled environments.

air compressor

How are air compressors utilized in pneumatic tools?

Air compressors play a crucial role in powering and operating pneumatic tools. Here’s a detailed explanation of how air compressors are utilized in pneumatic tools:

Power Source:

Pneumatic tools rely on compressed air as their power source. The air compressor generates and stores compressed air, which is then delivered to the pneumatic tool through a hose or piping system. The compressed air provides the force necessary for the tool to perform various tasks.

Air Pressure Regulation:

Air compressors are equipped with pressure regulation systems to control the output pressure of the compressed air. Different pneumatic tools require different air pressure levels to operate optimally. The air compressor’s pressure regulator allows users to adjust the output pressure according to the specific requirements of the pneumatic tool being used.

Air Volume and Flow:

Air compressors provide a continuous supply of compressed air, ensuring a consistent air volume and flow rate for pneumatic tools. The air volume is typically measured in cubic feet per minute (CFM) and determines the tool’s performance capabilities. Higher CFM ratings indicate that the pneumatic tool can deliver more power and operate at a faster rate.

Tool Actuation:

Pneumatic tools utilize compressed air to actuate their mechanical components. For example, an air-powered impact wrench uses compressed air to drive the tool’s internal hammer mechanism, generating high torque for fastening or loosening bolts and nuts. Similarly, air-powered drills, sanders, nail guns, and spray guns rely on compressed air to power their respective operations.

Versatility:

One of the significant advantages of pneumatic tools is their versatility, and air compressors enable this flexibility. A single air compressor can power a wide range of pneumatic tools, eliminating the need for separate power sources for each tool. This makes pneumatic tools a popular choice in various industries, such as automotive, construction, manufacturing, and woodworking.

Portability:

Air compressors come in different sizes and configurations, offering varying degrees of portability. Smaller portable air compressors are commonly used in applications where mobility is essential, such as construction sites or remote locations. The portability of air compressors allows pneumatic tools to be used in various work environments without the constraints of being tethered to a fixed power source.

Overall, air compressors are integral to the functionality and operation of pneumatic tools. They provide the necessary power, air pressure regulation, and continuous airflow required for pneumatic tools to perform a wide range of tasks efficiently and effectively.

air compressor

What is the role of air compressor tanks?

Air compressor tanks, also known as receiver tanks or air receivers, play a crucial role in the operation of air compressor systems. They serve several important functions:

1. Storage and Pressure Regulation: The primary role of an air compressor tank is to store compressed air. As the compressor pumps air into the tank, it accumulates and pressurizes the air. The tank acts as a reservoir, allowing the compressor to operate intermittently while providing a steady supply of compressed air during periods of high demand. It helps regulate and stabilize the pressure in the system, reducing pressure fluctuations and ensuring a consistent supply of air.

2. Condensation and Moisture Separation: Compressed air contains moisture, which can condense as the air cools down inside the tank. Air compressor tanks are equipped with moisture separators or drain valves to collect and remove this condensed moisture. The tank provides a space for the moisture to settle, allowing it to be drained out periodically. This helps prevent moisture-related issues such as corrosion, contamination, and damage to downstream equipment.

3. Heat Dissipation: During compression, air temperature increases. The air compressor tank provides a larger surface area for the compressed air to cool down and dissipate heat. This helps prevent overheating of the compressor and ensures efficient operation.

4. Pressure Surge Mitigation: Air compressor tanks act as buffers to absorb pressure surges or pulsations that may occur during compressor operation. These surges can be caused by variations in demand, sudden changes in airflow, or the cyclic nature of reciprocating compressors. The tank absorbs these pressure fluctuations, reducing stress on the compressor and other components, and providing a more stable and consistent supply of compressed air.

5. Energy Efficiency: Air compressor tanks contribute to energy efficiency by reducing the need for the compressor to run continuously. The compressor can fill the tank during periods of low demand and then shut off when the desired pressure is reached. This allows the compressor to operate in shorter cycles, reducing energy consumption and minimizing wear and tear on the compressor motor.

6. Emergency Air Supply: In the event of a power outage or compressor failure, the stored compressed air in the tank can serve as an emergency air supply. This can provide temporary air for critical operations, allowing time for maintenance or repairs to be carried out without disrupting the overall workflow.

Overall, air compressor tanks provide storage, pressure regulation, moisture separation, heat dissipation, pressure surge mitigation, energy efficiency, and emergency backup capabilities. They are vital components that enhance the performance, reliability, and longevity of air compressor systems in various industrial, commercial, and personal applications.

China wholesaler Diesel Screw Air Compressor 2.2m3 7bar 75cfm air compressor CHINAMFG freight
editor by CX 2024-02-09

China Hot selling 2023 90kw 120HP 7bar 8bar 10bar Oil Injected Rotary Screw Air Compressor with Direct Drive Applications with high quality

Product Description

ZheJiang Xihu (West Lake) Dis. specializes in the R&D, manufacturing, sales and after sales service of compressors, which include oil-free air compressors, oil-injected air compressor and air end, special gas compressors and post-processing equipment etc, under the brand name “Xihu (West Lake) Dis.r”, “OFAC” .

Product Features

*Efficient permanent magnet synchronous motor using high-performance NdFeb permanent magnet, 120ºC without loss of magnetic. Through the magnetic field and magnetic force generated by the AC voltage related to the stator coil, the rotor generates rotation, low speed and high efficiency.

*Advanced level of integrated host design. High efficiency, low speed, low noise, low energy consumption, low maintenance cost, reliable stability and usability. Adopt the embedded integrated shaft directly connected structure, compact structure, high transmission efficiency.

*Large capacity oil and gas separator, coupled with sophisticated oil and gas separation elements and gas, liquid filtration elements, with 3 times oil and gas separation, to ensure the quality of compressed air.

*Intake valve plate adopts international advanced technology, coupled with reasonable noise reduction design, intake valve adjustment range 0-100% easy to adjust, small pressure loss, long life.

*High efficiency cooler adopts large heat exchange area design, improve cooling efficiency, effectively imitation machine high temperature, anti-corrosion treatment of the inner wall, the use of more severe mining, prolong the service life.

TECHNICAL DATA—-OIL INJECTED SERIES
Model	Power		Pressure (bar)	Air Flow (m3/min)	Noise Level dBA	Outlet Pipe Diameter	Dimension LxWxH (mm)
BO-7.5	7.5kw	10hp	7	1.2	66±2	G 1/2″	800700930
			8	1.1
			10	0.95
			12	1.8
BO-11	11kw	15hp	7	1.65	68±2	G 3/4″	9507501250
			8	1.5
			10	1.3
			12	1.1
BO-15	15kw	20hp	7	2.5
			8	2.3
			10	2.1
			12	1.9
BO-18.5D	18.5kw	25hp	7	3.2		G 1″	13808501160
			8	3.0
			10	2.7
			12	2.4
BO-22D	22kw	30hp	7	3.8
			8	3.6
			10	3.2
			12	2.7
BO-30D	30kw	40hp	7	5.3
			8	5.0
			10	4.5
			12	4.0
BO-37D	37kw	50hp	7	6.8		G 1-1/2″	150010001330
			8	6.2
			10	5.6
			12	5.0
BO-45D	45kw	60hp	7	7.4	72±2
			8	7.0
			10	6.2
			12	5.6
BO-55D	55kw	75hp	7	10.0		G 2″	190012501570
			8	9.6
			10	8.5
			12	7.6
BO-75D	75kw	100hp	7	13.4
			8	12.6
			10	11.2
			12	10.0
BO-90D	90kw	125hp	7	16.2
			8	15.0
			10	13.8
			12	12.3
BO-110D	110kw	150hp	7	21.0		G 2-1/2″	250014701840
			8	19.8
			10	17.4
			12	14.8
BO-132D	132kw	175hp	7	24.5	75±2
			8	23.2
			10	20.5
			12	17.4
BO-160D	160kw	220hp	7	28.7
			8	27.6
			10	24.6
			12	21.5
BO-185D	185kw	250hp	7	32.0		DN85	315019802150
			8	30.4
			10	27.4
			12	24.8
BO-220D	220kw	300hp	7	36.0	82±2
			8	34.3
			10	30.2
			12	27.7
BO-250D	250kw	350hp	7	42.0
			8	40.5
			10	38.2
			12	34.5
BO-315D	315kw	430hp	7	51.0
			8	50.2
			10	44.5
			12	39.5
BO-355D	355kw	480hp	7	64.0	84±2	DN100
			8	61
			10	56.5
			12	49.0
BO-400D	400kw	545hp	7	71.2
			8	68.1
			10	62.8
			12	62.2

TECHNICAL DATA
Model	Power		Pressure (bar)	Air Flow (m3/min)	Noise Level dBA	Outlet Size	Weight (kgs)	Lubricating Water(L)	Filter Element (B)-(Z)	Dimension LxWxH (mm)
OF-7.5F	7.5kw	10hp	8	1.0	60	RP 3/4	400	22	(25cm) 1	10007201050
OF-11F	11kw	15hp	8	1.6	63	RP 3/4	460	22	(25cm) 1	11568451250
OF-15F	15kw	20hp	8	2.5	65	RP 1	620	28	(50cm) 1	13069451260
OF-18F	18.5kw	25hp	8	3.0	67		750	33		152010601390
OF-22F	22kw	30hp	8	3.6	68		840	33		152010601390
OF-30F	30kw	40hp	8	5.0	69	RP 11/4	1050	66	(25cm) 5	176011601490
OF-37F	37kw	50hp	8	6.2	71	RP 11/4	1100	66		176011601490
OF-45S	45kw	60hp	8	7.3	74	RP 11/2	1050	88		176011601490
OF-45F	45kw	60hp	8	7.3	74	RP 11/2	1200	88		176011601490
OF-55S	55kw	75hp	8	10	74	RP 2	1250	110	(50cm) 5	190012501361
OF-55F	55kw	75hp	8	10	74		2200		(50cm) 7	235012501880
OF-75S	75kw	100hp	8	13	75		1650		(50cm) 5	190012501361
OF-75F	75kw	100hp	8	13	75		2500		(50cm) 7	255016201880
OF-90S	90kw	125hp	8	15	76		2050		(50cm) 5	190012501361
OF-90F	90kw	125hp	8	15	76		2650		(50cm) 7	255016201880
OF-110S	110kw	150hp	8	20	78	DN 65	2550	130	(50cm) 12	220016001735
OF-110F	110kw	150hp	8	20	78		3500	130		300017002250
OF-132S	132kw	175hp	8	23	80		2700	130		220016002250
OF-160S	160kw	220hp	8	26	82		2900	165		220016002250
OF-185S	185kw	250hp	8	30	83	DN 100	3300	180	(50cm) 22	286018001945
OF-200S	200kw	270hp	8	33	83		3500			286018001945
OF-220S	220kw	300hp	8	36	85		4500			286020002300
OF-250S	250kw	340hp	8	40	85		4700			286020002300
OF-315S	315kw	480hp	8	50	90		5000			286020002300

F– air cooling method S– water cooling method

FAQ

Q1: Warranty terms of your machine?
A1: Two year warranty for the machine and technical support according to your needs.

Q2: Will you provide some spare parts of the machines?
A2: Yes, of course.

Q3: What about product package?
A3: We pack our products strictly with standard seaworthy case. Rcommend wooden box.

Q4: Can you use our brand?
A4: Yes, OEM is available.

Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products. 380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 30-45 days.

Q6: How Many Staff Are There In your Factory?
A6: About 100.

Q7: What’s your factory’s production capacity?
A7: About 550-650 units per month.

Q8: What the exactly address of your factory?
A8: Our first workshop located in HangZhou, ZheJiang , second workshop located in HangZhou, ZheJiang , China.

After-sales Service:	Online Support
Warranty:	1 Year
Lubrication Style:	Lubricated

Customization:	Available \|

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Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

air compressor

Can air compressors be used for painting and sandblasting?

Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:

Painting:

Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:

Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.

Sandblasting:

Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:

Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.

When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.

Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.

air compressor

How are air compressors used in refrigeration and HVAC systems?

Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:

1. Refrigerant Compression:

In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.

2. Refrigeration Cycle:

The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.

3. HVAC Cooling and Heating:

In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.

4. Air Conditioning:

Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.

5. Compressor Types:

Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.

6. Energy Efficiency:

Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.

By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.

air compressor

How is air pressure measured in air compressors?

Air pressure in air compressors is typically measured using one of two common units: pounds per square inch (PSI) or bar. Here’s a brief explanation of how air pressure is measured in air compressors:

1. Pounds per Square Inch (PSI): PSI is the most widely used unit of pressure measurement in air compressors, especially in North America. It represents the force exerted by one pound of force over an area of one square inch. Air pressure gauges on air compressors often display pressure readings in PSI, allowing users to monitor and adjust the pressure accordingly.

2. Bar: Bar is another unit of pressure commonly used in air compressors, particularly in Europe and many other parts of the world. It is a metric unit of pressure equal to 100,000 pascals (Pa). Air compressors may have pressure gauges that display readings in bar, providing an alternative measurement option for users in those regions.

To measure air pressure in an air compressor, a pressure gauge is typically installed on the compressor’s outlet or receiver tank. The gauge is designed to measure the force exerted by the compressed air and display the reading in the specified unit, such as PSI or bar.

It’s important to note that the air pressure indicated on the gauge represents the pressure at a specific point in the air compressor system, typically at the outlet or tank. The actual pressure experienced at the point of use may vary due to factors such as pressure drop in the air lines or restrictions caused by fittings and tools.

When using an air compressor, it is essential to set the pressure to the appropriate level required for the specific application. Different tools and equipment have different pressure requirements, and exceeding the recommended pressure can lead to damage or unsafe operation. Most air compressors allow users to adjust the pressure output using a pressure regulator or similar control mechanism.

Regular monitoring of the air pressure in an air compressor is crucial to ensure optimal performance, efficiency, and safe operation. By understanding the units of measurement and using pressure gauges appropriately, users can maintain the desired air pressure levels in their air compressor systems.

China Hot selling 2023 90kw 120HP 7bar 8bar 10bar Oil Injected Rotary Screw Air Compressor with Direct Drive Applications with high quality
editor by CX 2023-12-14

China supplier 0.75m3/Min 5.5kw 7bar 8bar Screw Air Compressor for CNC Router manufacturer

Product Description

Integrated air tank air dryer screw air compressor
Belt driven type Screw Air Compressor Specifications
* Genuine belt to meet the demand of heavy-duty, long life and high reliability.
* Convenient belt tensioning device makes the maintenance easy,and the transmisstion high-efficiency is ensured.
* Provide the flexibility for the customers easily modify the working pressure if a change becomes necessary.
* Low operation cost
* Energy saving

KP-LB Belt Drive Integrated Type Screw Air Compressor with air tank air dryer
Power range: 20hp ~ 600hp
Pressure: 7-13 Bar
* 7bar/8bar/10bar/12.5bar working pressure(discharge pressure) for your selection (for more lower pressure 4bar or 6bar, please send your inquiry )
* Intelligent microcomputer control system, controller has the remind & record function, show the compressor operation situation clearly
* Superior components, low maintenance cost
* Germany OPTI belt, easy for replace, and ensure the product quality
* Oversize air-end, low rpm, no overheat problem
* IP54/IP55 high quality motor, S KF bearing, Class F level insulation; Class BTemperature rise;
* Discharge temperature= Ambient temperature+15ºC, with cooling/ventilation system tailor made to the same local hot-humid climatic condition, NO OVERHEATING ON CONTINUOUS 100% LOAD IS GUARANTEED!
* Top door is locking design, easy to open to clean the cooler and fan
*Compressor is filled with lubrication oil before delivering, you can operate it after installed and powered on. Once it run 500hours to change the new air filter and oil filter was set for first maintenance, then normally change them with 2000-3000hours for once maintenance replacing new one.
* Phase reversal protection, current overload protection, pressure protection, overheat protection

Technical Parameters of LB-TY Fixed Belt Drive Screw Compressor
Model No.	Motor Power (kw)	Horse Power (Hp)	Air delivery(m³/mim)	Working pressure(bar)	Air Dryer Model	Air Tank (L)	LWH(mm)	N.W(KG)
LB-4TY	4	5.5	0.74	7	HAD-001-1NF (1.0m3/min)	250L	14006701550	400
			0.66	8
			0.56	10
LB-5.5TY	5.5	7.5	0.8	7	HAD-001-1NF (1.0m3/min)	250L	14006701550	450
			0.7	8
			0.6	10
LB-7.5TY	7.5	10	1.2	7	HAD-001NF (1.6m3/min)	250L	14006701550	500
			1.1	8
			1	10
			0.8	13
LB-11TY	11	15	2.0	7	HAD-003NF (2.7m3/min)	300L	14006701550	550
			1.6	8
			1.42	10
			1.14	13
LB-15TY	15	20	2.5	7	HAD-003NF (2.7m3/min)	300L	11508001100	390
			2.3	8
			2	10
			1.75	13
LB-18.5TY	18.5	25	3.1	7	HAD-003NF (3.8m3/min)	250L*2	16508001840	620
			2.9	8
			2.6	10
			2.2	13
LB-22TY	22	30	3.5	7	HAD-003NF (3.8m3/min)	250L*2	16508001840	700
			3.3	8
			3.0	10
			2.6	13
According to the standard of GB19153-2009 Compressor Stage: CHINAMFG Compression Standard Power Supply: 380V/50Hz/3ph Exhaust Temperature: Ambient Temperature +15ºC Configurated normal temperature type Air dryer,with Dew Point range: 3-10ºC;* *Please contact us for any specification that is not within the above mentioned standard.

Welcome to join us ! We Consider Our Customers as Our Friends and Families, and We do Believe in the CHINAMFG Situation for Building up Long-Term Relationship. • Innovation Provide innovative, stable products and services. • Quality Deliver consistently superior performance and pursue every possible improvement. • Agility Identify emerging trends and act quickly to acquire new opportunities. • Customer Satisfaction Anticipate customer needs and exceed their expectations. • Warranty Within 12 months since the customer used,or 18 months since shipped from factory, no matter which expires, we ensure that no defects for material and manufacturing.

Name			7.5KW Belt Driven Integrated Screw Air Compressor
Model			SLB-7.5-7	SLB-7.5-8	SLB-7.5-10	SLB-7.5-13
Specification	Working pressure	bar	7bar	8bar	10bar	13bar
	Air delivery	M³/min	1.15m3/min	1.06m3/min	0.85m3/min	0.65m3/min
	Motor power	KW	7.5KW
	Voltage	V	380V/50Hz/3ph (other voltage need to take 20days customize produciton )
Outlet dia			G3/4
Weight		Kg	280
Dimension		(LWH)mm	*16508001700mm (Integrated compressor+dryer+tank)*
Compressor type		Single Stage	Screw
Start mode			Delta Start
Cool method			Air cooled
Driven method			belt driven
Discharge temp		ºC	Ambient temp+10-15ºC
Compressed oil content		ppm	≤3PPM
Noise		dB(A)	78
Motor Protection grade		(IP54)	IP54 / Class F insulation/ Class B temperature rise
Max ambient temp		ºC	≤40ºC
Control mode		PLC	MAM PLC
Lubricant Oil replace regular time		H	3000hrs(First runing time only 500hrs)
Oil separator replace regular time		H	3000hrs
Oil Filter replace regular time		H	3000hrs(First runing time only 500hrs)
Air filter element replace regular time		H	3000hrs(First runing time only 500hrs)
Configured Refrigerated Air Dryer Specification		m3/min	1.2m3/min
		Voltage	220V/50Hz/1ph
Configured Air Tank Volume		L	300L (GB-150 standard pressure vessel)

KEEPWIN TECHNOLOGY ZheJiang CO.,LTD is a high-tech joint-stock enterprise which specializes in the development and designing, manufacturing and installation, mating remolding, and sales service of compressors as well as the corresponding pre-and post-position purifying equipment. CHINAMFG offers you a various range of gas compressors like normal standard screw compressor, piston compressor, diaphragm compressor, CNG compressor, CO2 compressor, Hydrogen compressor, Nitrogen booster compressor, etc. for your process handling needs. These products are developed with the highest level of professionalism and innovation. The premium-grade raw material and advanced technology is utilized in the production process, which assists us in giving required shape, design, and finish to the finished products. The products are then sent to the Quality Control Department for stringent quality tests on various parameters.
Keepwin Gas Solution Engineer can customize any special gas Reciprocating Piston Compressor & high pure gas flammable gas oil-free Diaphragm Compressor, and Industry using Screw Air Compressor & Portable Piston Air Compressor.

A. The gas compression medium
B. The flow rate: _____Nm3/hr
C. Inlet pressure: _____ Barg(gauge pressure)
D. Discharge pressure: _____ Barg(gauge pressure)
E. Inlet gas temperature & Outlet gas temperature
F. Cooling water temperature as well as other technical requirement.
G. Voltage/Frequency/Phase
The compressed medium may also include flammable and explosive gas, such as Natural Gas, Coal Gas ,coking gas, oxygen gas, Hydrogen gas, as well as special gas which are toxic gas and corrosive gas, radioactive gas. CHINAMFG has taken a series of technical measures in aspects such as structure material, explosion prevention, auto-control and protection to guarantee safety and reliability.
The products are stable,reliable and have already been in series and modularized.CHINAMFG can aslo rapidly provide products of other specifications through modular combination design CHINAMFG users’ requirements.

Customer Case

FAQ

Q1: What’s your delivery time?
A: Generally CHINAMFG with 20-30 days, Reciprocating compressor & diaphragm high pressure gas comrpessor with 12-20weeks to customize producing.

Q2: How long is your air compressor warranty?
A: Usually 1 year /12 Months for whole compressor machine, 2years/24months for air end (except maintenance spare parts.). And we can provide further warranty if necessary.

Q3: How long could your air compressor be used?
A: Generally, more than 10 years.

Q4: Can you do OEM for us?
A: Yes, of course. We have around 2 decades OEM experience.And also we can do ODM for you.

Q5: What’s payment term?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, Trade Assurance and etc. Also we could accept USD, RMB, GBP, Euro and other currency.

Q6: How about your customer service?
A: 24 hours on-line service available. 48hours problem sovled promise.

Q7: How about your after-sales service?
A: 1. Provide customers with intallation and commissioning online instructions.
2. Well-trained engineers available to overseas after-sales service.

Q8. Are you factory?
A4: Absolutely! You have touched the primary sources of Air Gas Compressor. We are factory.

How to contact with us?
Send your Inquiry Details in the Below, or Click “Back to Home” to check more other Gas Compressor machine equipment!

After-sales Service:	1year
Warranty:	1year
Lubrication Style:	Lubricated
Cooling System:	Air Cooling
Power Source:	AC Power
Cylinder Position:	Angular

Samples:	US$ 3500/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \|

air compressor

Can air compressors be used for cleaning and blowing dust?

Yes, air compressors can be effectively used for cleaning and blowing dust in various applications. Here’s how air compressors are utilized for these purposes:

1. Cleaning Machinery and Equipment:

Air compressors are commonly used for cleaning machinery and equipment in industries such as manufacturing, automotive, and construction. Compressed air is directed through a nozzle or blowgun attachment to blow away dust, debris, and other contaminants from surfaces, crevices, and hard-to-reach areas. The high-pressure air effectively dislodges and removes accumulated dust, helping to maintain equipment performance and cleanliness.

2. Dusting Surfaces:

Air compressors are also employed for dusting surfaces in various settings, including homes, offices, and workshops. The compressed air can be used to blow dust off furniture, shelves, electronic equipment, and other objects. It provides a quick and efficient method of dusting, especially for intricate or delicate items where traditional dusting methods may be challenging.

3. Cleaning HVAC Systems:

Air compressors are utilized for cleaning HVAC (Heating, Ventilation, and Air Conditioning) systems. The compressed air can be used to blow dust, dirt, and debris from air ducts, vents, and cooling coils. This helps improve the efficiency and air quality of HVAC systems, preventing the buildup of contaminants that can affect indoor air quality.

4. Blowing Dust in Workshops:

In workshops and garages, air compressors are often used to blow dust and debris from workbenches, power tools, and work areas. Compressed air is directed to blow away loose particles and maintain a clean and safe work environment. This is particularly useful in woodworking, metalworking, and other trades where dust and debris can accumulate during the manufacturing or fabrication processes.

5. Cleaning Electronics and Computer Equipment:

Air compressors are employed for cleaning electronics and computer equipment. The compressed air is used to blow dust and debris from keyboards, computer cases, circuit boards, and other electronic components. It helps in preventing overheating and maintaining the proper functioning of sensitive electronic devices.

6. Industrial Cleaning Applications:

Air compressors find extensive use in industrial cleaning applications. They are employed in industrial settings, such as factories and warehouses, for cleaning large surfaces, production lines, and equipment. Compressed air is directed through specialized cleaning attachments or air-operated cleaning systems to remove dust, dirt, and contaminants efficiently.

When using air compressors for cleaning and blowing dust, it is important to follow safety precautions and guidelines. The high-pressure air can cause injury if directed towards the body or sensitive equipment. It is advisable to wear appropriate personal protective equipment, such as safety glasses and gloves, and ensure that the air pressure is regulated to prevent excessive force.

Overall, air compressors provide a versatile and effective solution for cleaning and blowing dust in various applications, offering a convenient alternative to traditional cleaning methods.

air compressor

How do you maintain proper air quality in compressed air systems?

Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:

1. Air Filtration:

Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.

2. Moisture Control:

Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.

3. Oil Removal:

If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.

4. Regular Maintenance:

Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.

5. Air Receiver Tank Maintenance:

Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.

6. Air Quality Testing:

Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.

7. Education and Training:

Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.

8. Documentation and Record-Keeping:

Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.

By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.

air compressor

How do you choose the right size of air compressor for your needs?

Choosing the right size of air compressor is essential to ensure optimal performance and efficiency for your specific needs. Here are some factors to consider when selecting the appropriate size:

1. Air Demand: Determine the air demand requirements of your applications. Calculate the total CFM (Cubic Feet per Minute) needed by considering the air consumption of all the pneumatic tools and equipment that will be operated simultaneously. Choose an air compressor with a CFM rating that meets or exceeds this total demand.

2. Pressure Requirements: Consider the required operating pressure for your applications. Check the PSI (Pounds per Square Inch) rating of the tools and equipment you will be using. Ensure that the air compressor you choose can deliver the necessary pressure consistently.

3. Duty Cycle: Evaluate the duty cycle of the air compressor. The duty cycle represents the percentage of time the compressor can operate within a given time period without overheating or experiencing performance issues. If you require continuous or heavy-duty operation, choose a compressor with a higher duty cycle.

4. Power Source: Determine the available power source at your location. Air compressors can be powered by electricity or gasoline engines. Ensure that the chosen compressor matches the available power supply and consider factors such as voltage, phase, and fuel requirements.

5. Portability: Assess the portability requirements of your applications. If you need to move the air compressor frequently or use it in different locations, consider a portable or wheeled compressor that is easy to transport.

6. Space and Noise Constraints: Consider the available space for installation and the noise restrictions in your working environment. Choose an air compressor that fits within the allocated space and meets any noise regulations or requirements.

7. Future Expansion: Anticipate any potential future expansions or increases in air demand. If you expect your air demand to grow over time, it may be wise to choose a slightly larger compressor to accommodate future needs and avoid the need for premature replacement.

8. Budget: Consider your budgetary constraints. Compare the prices of different air compressor models while ensuring that the chosen compressor meets your specific requirements. Keep in mind that investing in a higher-quality compressor may result in better performance, durability, and long-term cost savings.

By considering these factors and evaluating your specific needs, you can choose the right size of air compressor that will meet your air demand, pressure requirements, and operational preferences, ultimately ensuring efficient and reliable performance.

China supplier 0.75m3/Min 5.5kw 7bar 8bar Screw Air Compressor for CNC Router manufacturer
editor by CX 2023-10-31

China OEM Best Air Compressor Piston Air Compressor Industrial Air Compressor Laboratory Air Compressor Mini Air Compressor AC 220V/50Hz 3*550W 7bar air compressor oil

Product Description

Model		BW504
Voltage/frequency	1.220-230V/50/60Hz 2.100-120V/50/60Hz 3.380-440v/50Hz	1,3 optional
Power	KW	2.32
Power	HP	3
Volume flow	L/min @0MPa	480
Volume flow	L/min @0.7MPa	180
Pressure	Bar	8
Pressure	MPa	0.8
Tank volume	L	180
Tank volume	US gallons	47.5
Noisy	dB	59
Pressure switch	According to customer’s requirements .
Configuration optional	1. Add oil and water separator; 2. Add automatic drainer; 3.Air tank against rust spray	1,2,3 optional
Size	*LWH cm*	*1304892*
Weight	Kg	112
Packing	Cartons or wooden cases size cm	*Wood 1325095*

Typical application
For medical devices	Laboratory use
Dental treatment chair	For chromatographic analyzer
For qualification analyzer	For woodworking
For plant gas supply	Hardware and electromechanical
For automobile maintenance shop

Why choose CHINAMFG air compressor
1. It saves 10-30% energy than the air compressor produced by ordinary manufacturers.
2. It is widely used in medical oxygen generator and ventilator .
3. A large number of high-speed train and automobile application cases, supporting – 41 to 70 ºC, 0-6000 CHINAMFG above sea level .
4. Medium and high-end quality, with more than 7000 hours of trouble free operation for conventional products and more than 15000 hours of trouble free operation for high-end products.
5. Simple operation, convenient maintenance and remote guidance.
6. Faster delivery time, generally completed within 25 days within 1000 PCs.

Machine Parts

Name: Motor
Brand: COMBESTAIR
Original: China
1.The coil adopts the fine pure copper enameled wire, and the rotor adopts the famous brand silicon steel sheet such as ZheJiang baosteel.
2.The customer can choose the insulation grade B or F motor according to What he wants.
3.The motor has a built-in thermal protector, which can select external heat sensor.
4.Voltage from AC100V ~120V, 200V ~240V, 50Hz / 60Hz, DC6V~200V optional ; AC motor can choose double voltage double frequency ; DC Motor can choose the control of the infinitely variable speed.

Machine Parts

Name: Bearing
Brand: ERB , CHINAMFG , NSK
Original: China ect.
1.Standard products choose the special bearing ‘ERB’ in oil-free compressor, and the environment temperature tolerance from -50ºC to 180 ºC . Ensure no fault operation for 20,000 hours.
2.Customers can select TPI, NSK and other imported bearings according to the working condition.

Machine Parts

Name: Valve plates
Brand: SANDVIK
Original: Sweden
1.Custom the valve steel of Sweden SANDVIK; Good flexibility and long durability.
2.Thickness from 0.08mm to 1.2mm, suitable for maximum pressure from 0.8 MPa to 1.2 MPa.

Machine Parts

Name: Piston ring
Brand: COMBESTAIR-OEM , Saint-Gobain
Original: China , France
1.Using domestic famous brand–Polytetrafluoroethylene composite material; Wear-resistant high temperature; Ensure more than 10,000 hours of service life.
2.High-end products: you can choose the ST.gobain’s piston ring from the American import.

serial number	Code number	Name and specification	Quantity	Material	Note
1	212571109	Fan cover	2	Reinforced nylon 1571
2	212571106	Left fan	1	Reinforced nylon 1571
3	212571101	Left box	1	Die-cast aluminum alloy YL104
4	212571301	Connecting rod	2	Die-cast aluminum alloy YL104
5	212571304	Piston cup	2	PHB filled PTFE
6	212571302	Clamp	2	Die-cast aluminum alloy YL102
7	7050616	Screw of cross head	2	Carbon structural steel of cold heading	M6•16
8	212571501	Air cylinder	2	Thin wall pipe of aluninun alloy 6A02T4
9	17103	Seal ring of Cylinder	2	Silicone rubber
10	212571417	Sealing ring of cylinder cover	2	Silicone rubber
11	212571401	Cylinder head	2	Die-cast aluminum alloy YL102
12	7571525	Screw of inner hexagon Cylinder head	12		M5•25
13	17113	Sealing ring of connecting pipe	4	Silicong rubber
14	212571801	Connecting pipe	2	Aluminum and aluminum alloy connecting rod LY12
15	7100406	Screw of Cross head	4	1Cr13N19	M4•6
16	212571409	Limit block	2	Die-cast aluminum alloy YL102
17	000402.2	Air outlet valve	2	7Cr27 quenching steel belt of The Swedish sandvik
18	212571403	valve	2	Die-cast aluminum alloy YL102
19	212571404	Air inlet valve	2	7Cr27 quenching steel belt of The Swedish sandvik
20	212571406	Metal gasket	2	Stainless steel plate of heat and acidresistance
21	212571107	Right fan	1	Reinforced nylon 1571
22	212571201	Crank	2	Gray castiron H20-40
23	14040	Bearing 6006-2Z	2
24	70305	Tighten screw of inner hexagon flat end	2		M8•8
25	7571520	Screw of inner hexagon Cylinder head	2		M5•20
26	212571102	Right box	1	Die-cast aluminum alloy YL104
27	6P-4	Lead protective ring	1
28	7095712-211	Hexagon head bolt	2	Carbon structural steel of cold heading	M5•152
29	715710-211	Screw of Cross head	2	Carbon structural steel of cold heading	M5•120
30	16602	Light spring washer	4		ø5
31	212571600	Stator	1
32	70305	Lock nut of hexagon flange faces	2
33	212571700	Rotor	1
34	14032	Bearing 6203-2Z	2

FAQ

Q1: Are you factory or trade company?
A1: We are factory.

Q2: What the exactly address of your factory?
A2: Our factory is located in Linbei industrial area No.30 HangZhou City of ZHangZhoug Province, China

Q3: Warranty terms of your machine?
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.

Q5: How long will you take to arrange production?
A5: Generally, 1000 pcs can be delivered within 25 days

Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome

Q7:Can you accept non-standard customization?

A7:We have the ability to develop new products and can customize, develop and research according to your requirements

Warranty:	2 Years
Principle:	Mixed-Flow Compressor
Application:	Back Pressure Type, Intermediate Back Pressure Type, High Back Pressure Type, Low Back Pressure Type

Samples:	US$ 350/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \|

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Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

air compressor

What is the role of air compressors in power generation?

Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:

1. Combustion Air Supply:

Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.

2. Instrumentation and Control:

Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.

3. Cooling and Ventilation:

In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.

4. Cleaning and Maintenance:

Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.

5. Pneumatic Tools and Equipment:

In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.

6. Nitrogen Generation:

Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.

7. Start-up and Emergency Systems:

Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.

Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.

air compressor

What are the environmental considerations when using air compressors?

When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:

Energy Efficiency:

Energy efficiency is a crucial environmental consideration when using air compressors. Compressing air requires a significant amount of energy, and inefficient compressors can consume excessive power, leading to higher energy consumption and increased greenhouse gas emissions. It is important to choose energy-efficient air compressors that incorporate features such as Variable Speed Drive (VSD) technology and efficient motor design, as they can help minimize energy waste and reduce the carbon footprint.

Air Leakage:

Air leakage is a common issue in compressed air systems and can contribute to energy waste and environmental impact. Leaks in the system result in the continuous release of compressed air, requiring the compressor to work harder and consume more energy to maintain the desired pressure. Regular inspection and maintenance of the compressed air system to detect and repair leaks can help reduce air loss and improve overall energy efficiency.

Noise Pollution:

Air compressors can generate significant noise levels during operation, which can contribute to noise pollution. Prolonged exposure to high noise levels can have detrimental effects on human health and well-being and can also impact the surrounding environment and wildlife. It is important to consider noise reduction measures such as sound insulation, proper equipment placement, and using quieter compressor models to mitigate the impact of noise pollution.

Emissions:

While air compressors do not directly emit pollutants, the electricity or fuel used to power them can have an environmental impact. If the electricity is generated from fossil fuels, the associated emissions from power plants contribute to air pollution and greenhouse gas emissions. Choosing energy sources with lower emissions, such as renewable energy, can help reduce the environmental impact of operating air compressors.

Proper Waste Management:

Proper waste management is essential when using air compressors. This includes the appropriate disposal of compressor lubricants, filters, and other maintenance-related materials. It is important to follow local regulations and guidelines for waste disposal to prevent contamination of soil, water, or air and minimize the environmental impact.

Sustainable Practices:

Adopting sustainable practices can further reduce the environmental impact of using air compressors. This can include implementing preventive maintenance programs to optimize performance, reducing idle time, and promoting responsible use of compressed air by avoiding overpressurization and optimizing system design.

By considering these environmental factors and taking appropriate measures, it is possible to minimize the environmental impact associated with the use of air compressors. Choosing energy-efficient models, addressing air leaks, managing waste properly, and adopting sustainable practices can contribute to a more environmentally friendly operation.

air compressor

What is the impact of tank size on air compressor performance?

The tank size of an air compressor plays a significant role in its performance and functionality. Here are the key impacts of tank size:

1. Air Storage Capacity: The primary function of the air compressor tank is to store compressed air. A larger tank size allows for greater air storage capacity. This means the compressor can build up a reserve of compressed air, which can be useful for applications that require intermittent or fluctuating air demand. Having a larger tank ensures a steady supply of compressed air during peak usage periods.

2. Run Time: The tank size affects the run time of the air compressor. A larger tank can provide longer continuous operation before the compressor motor needs to restart. This is because the compressed air in the tank can be used to meet the demand without the need for the compressor to run continuously. It reduces the frequency of motor cycling, which can improve energy efficiency and prolong the motor’s lifespan.

3. Pressure Stability: A larger tank helps maintain stable pressure during usage. When the compressor is running, it fills the tank until it reaches a specified pressure level, known as the cut-out pressure. As the air is consumed from the tank, the pressure drops to a certain level, known as the cut-in pressure, at which point the compressor restarts to refill the tank. A larger tank size results in a slower pressure drop during usage, ensuring more consistent and stable pressure for the connected tools or equipment.

4. Duty Cycle: The duty cycle refers to the amount of time an air compressor can operate within a given time period. A larger tank size can increase the duty cycle of the compressor. The compressor can run for longer periods before reaching its duty cycle limit, reducing the risk of overheating and improving overall performance.

5. Tool Compatibility: The tank size can also impact the compatibility with certain tools or equipment. Some tools, such as high-demand pneumatic tools or spray guns, require a continuous and adequate supply of compressed air. A larger tank size ensures that the compressor can meet the air demands of such tools without causing pressure drops or affecting performance.

It is important to note that while a larger tank size offers advantages in terms of air storage and performance, it also results in a larger and heavier compressor unit. Consider the intended application, available space, and portability requirements when selecting an air compressor with the appropriate tank size.

Ultimately, the optimal tank size for an air compressor depends on the specific needs of the user and the intended application. Assess the air requirements, duty cycle, and desired performance to determine the most suitable tank size for your air compressor.

China OEM Best Air Compressor Piston Air Compressor Industrial Air Compressor Laboratory Air Compressor Mini Air Compressor AC 220V/50Hz 3*550W 7bar air compressor oil
editor by CX 2023-10-30

China factory Warehouse Ready in Stock Energy Saving Equipment Mn 7bar 8bar 7.5kw 1.1m3 Min 1.2m3 Min Vertical Air Compressor Export Overseas supplier

Product Description

OIL FREE SCROLL AIR COMPRESSOR

Model	Motor Power kw/hp	Air Flow L/min	Pressure MPa	Dimension (LWH mm)	Weight kgs
AP1.5-8A	1.5/2	140	0.6-0.8	540540770	87
AP1.5-8B	1.5/2	140		5405401190	136
AP2.2-8A	2.2/3	240		540540770	93
AP2.2-8B	2.2/3	240		5405401190	142
AP3.7-8A	3.7/5	410		540540770	110
AP3.7-8B	3.7/5	410		5405401190	149
AP1.5-10A	1.5/2	120	0.8-1.0	540540770	87
AP1.5-10B	1.5/2	120		5405401190	136
AP2.2-10A	2.2/3	200		540540770	93
AP2.2-10B	2.2/3	200		5405401190	142
AP3.7-10A	3.7/5	340		540540770	110
AP3.7-10B	3.7/5	340		5405401190	149

Model	Motor Power kw/hp	Air Flow L/min	Pressure MPa	Dimension (LWH mm)	Weight kgs
AP7.5-8A	7.5/10	820	0.6-0.8	1000590976	227
AP11-8A	11/15	1230		10505901470	335
AP15-8A	15/20	1640		12507401800	488
AP18.5-8A	18.5/25	2050		12357401990	734
AP7.5-10A	7.5/10	680	0.8-1.0	1000590976	227
AP11-10A	11/15	1571		10505901470	335
AP15-10A	15/20	1360		12507401800	488
AP18.5-10A	18.5/25	1700		12357401990	734

Model	Motor Power kw/hp	Air Flow L/min	Pressure MPa	Dimension (LWH mm)	Weight kgs
AP5.5-C	5.5/7.5	610	0.6-0.8	6607501200	175
AP7.5-8C	7.5/10	800		6607501200	180
AP11-8C	11/15	1220		12507001171	338
AP15-8C	15/20	1640		12507001171	350
AP18.5-8C	18.5/25	2040		12507001602	540
AP22-8C	22/30	2440		12507001602	558
AP30-8C	30/40	3280		123017001602	900
AP33-8C	33/45	3660			1080
AP45-8C	45/60	5000			1116

Model	Motor Power kw/hp	Air Flow L/min	Pressure MPa	Dimension (LWH mm)	Weight kgs
AP22-8A	22/30	2460	0.6-0.8	158012351852	860
AP30-8A	30/40	3280		158012351852	1000
AP37-8A	37/50	4100		158012351990	1470
AP22-8A	22/30	2040	0.8-1.0	158012351630	910
AP30-8A	30/40	2720		158012351990	1140
AP37-8A	37/50	3400		158012351990	1470

TECHNICAL DATA
Model	Power		Pressure (bar)	Air Flow (m3/min)	Noise Level dBA	Outlet Size	Weight (kgs)	Lubricating Water(L)	Filter Element (B)-(Z)	Dimension LxWxH (mm)
OF-7.5F	7.5kw	10hp	8	1.0	60	RP 3/4	400	22	(25cm) 1	10007201050
OF-11F	11kw	15hp	8	1.6	63	RP 3/4	460	22	(25cm) 1	11568451250
OF-15F	15kw	20hp	8	2.5	65	RP 1	620	28	(50cm) 1	13069451260
OF-18F	18.5kw	25hp	8	3.0	67		750	33		152010601390
OF-22F	22kw	30hp	8	3.6	68		840	33		152010601390
OF-30F	30kw	40hp	8	5.0	69	RP 11/4	1050	66	(25cm) 5	176011601490
OF-37F	37kw	50hp	8	6.2	71	RP 11/4	1100	66		176011601490
OF-45S	45kw	60hp	8	7.3	74	RP 11/2	1050	88		176011601490
OF-45F	45kw	60hp	8	7.3	74	RP 11/2	1200	88		176011601490
OF-55S	55kw	75hp	8	10	74	RP 2	1250	110	(50cm) 5	190012501361
OF-55F	55kw	75hp	8	10	74		2200		(50cm) 7	235012501880
OF-75S	75kw	100hp	8	13	75		1650		(50cm) 5	190012501361
OF-75F	75kw	100hp	8	13	75		2500		(50cm) 7	255016201880
OF-90S	90kw	125hp	8	15	76		2050		(50cm) 5	190012501361
OF-90F	90kw	125hp	8	15	76		2650		(50cm) 7	255016201880
OF-110S	110kw	150hp	8	20	78	DN 65	2550	130	(50cm) 12	220016001735
OF-110F	110kw	150hp	8	20	78		3500	130		300017002250
OF-132S	132kw	175hp	8	23	80		2700	130		220016002250
OF-160S	160kw	220hp	8	26	82		2900	165		220016002250
OF-185S	185kw	250hp	8	30	83	DN 100	3300	180	(50cm) 22	286018001945
OF-200S	200kw	270hp	8	33	83		3500			286018001945
OF-220S	220kw	300hp	8	36	85		4500			286020002300
OF-250S	250kw	340hp	8	40	85		4700			286020002300
OF-315S	315kw	480hp	8	50	90		5000			286020002300

F– air cooling method S– water cooling method

  The brand “OFAC, OFC” specializes in the R&D, manufacturing, sales and service of compressors,
  oil-free compressors and air end, special gas compressors, various air compressors and
post-processing equipment, providing customers with High-quality, environmentally friendly and
  efficient air system solutions and fast and stable technical services.

FAQ

Q1: Warranty terms of your machine?
A1: One year warranty for the machine and technical support according to your needs.

Q2: Will you provide some spare parts of the machines?
A2: Yes, of course.

Q3: What about product package?
A3: We pack our products strictly with standard seaworthy case. Rcommend wooden
box.

Q4: Can you use our brand?
A4: Yes, OEM is available.

Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products. 380V 50HZ we can delivery the goods within
3-15 days. Other voltage or other color we will delivery within 30-45 days.

Q6: How Many Staff Are There In your Factory?
A6: About 100.

Q7: What’s your factory’s production capacity?
A7: About 550-650 units per month.

Q8: What the exactly address of your factory?
A8: Our first workshop located in HangZhou, ZheJiang , second workshop located in
HangZhou, ZheJiang , China.

After-sales Service:	1 Year
Warranty:	1 Year
Installation Type:	Stationary Type

Customization:	Available \|

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Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

air compressor

Can air compressors be used for shipbuilding and maritime applications?

Air compressors are widely used in shipbuilding and maritime applications for a variety of tasks and operations. The maritime industry relies on compressed air for numerous essential functions. Here’s an overview of how air compressors are employed in shipbuilding and maritime applications:

1. Pneumatic Tools and Equipment:

Air compressors are extensively used to power pneumatic tools and equipment in shipbuilding and maritime operations. Pneumatic tools such as impact wrenches, drills, grinders, sanders, and chipping hammers require compressed air to function. The versatility and power provided by compressed air make it an ideal energy source for heavy-duty tasks, maintenance, and construction activities in shipyards and onboard vessels.

2. Painting and Surface Preparation:

Air compressors play a crucial role in painting and surface preparation during shipbuilding and maintenance. Compressed air is used to power air spray guns, sandblasting equipment, and other surface preparation tools. Compressed air provides the force necessary for efficient and uniform application of paints, coatings, and protective finishes, ensuring the durability and aesthetics of ship surfaces.

3. Pneumatic Actuation and Controls:

Air compressors are employed in pneumatic actuation and control systems onboard ships. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control propulsion systems, and manage various shipboard processes. Pneumatic control systems offer reliability and safety advantages in maritime applications.

4. Air Start Systems:

In large marine engines, air compressors are used in air start systems. Compressed air is utilized to initiate the combustion process in the engine cylinders. The compressed air is injected into the cylinders to turn the engine’s crankshaft, enabling the ignition of fuel and starting the engine. Air start systems are commonly found in ship propulsion systems and power generation plants onboard vessels.

5. Pneumatic Conveying and Material Handling:

In shipbuilding and maritime operations, compressed air is used for pneumatic conveying and material handling. Compressed air is utilized to transport bulk materials, such as cement, sand, and grain, through pipelines or hoses. Pneumatic conveying systems enable efficient and controlled transfer of materials, facilitating construction, cargo loading, and unloading processes.

6. Air Conditioning and Ventilation:

Air compressors are involved in air conditioning and ventilation systems onboard ships. Compressed air powers air conditioning units, ventilation fans, and blowers, ensuring proper air circulation, cooling, and temperature control in various ship compartments, cabins, and machinery spaces. Compressed air-driven systems contribute to the comfort, safety, and operational efficiency of maritime environments.

These are just a few examples of how air compressors are utilized in shipbuilding and maritime applications. Compressed air’s versatility, reliability, and convenience make it an indispensable energy source for various tasks and systems in the maritime industry.

air compressor

Can air compressors be used for medical and dental applications?

Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:

1. Dental Tools:

Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.

2. Medical Devices:

Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.

3. Laboratory Applications:

Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.

4. Surgical Tools:

In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.

5. Sterilization and Autoclaves:

Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.

6. Dental Air Compressors:

Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.

7. Air Quality Standards:

In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.

8. Compliance and Regulations:

Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.

It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.

air compressor

How is air pressure measured in air compressors?

China factory Warehouse Ready in Stock Energy Saving Equipment Mn 7bar 8bar 7.5kw 1.1m3 Min 1.2m3 Min Vertical Air Compressor Export Overseas supplier
editor by CX 2023-10-25

China factory 4 Bar 5.5bar 6bar 7bar 8bar 10 Bar Air Compressor Two Stage Screw Air Compressor manufacturer

Product Description

Technical Parameters for 30KW Two Stage Screw Air Compressor

Condition:

New

Brand Name:

KEEPWIN

Motor speed

2950rpm

Power Source:

AC power

Model:

KP-LR-30S

Motor power

30KW /40HP

Type:

Screw Compressor

Voltage:

220V/380V/400V/415V/440V/ 600V/660V,etc

Suitable Medium

Air

Configuration

Stationary/ Skid

Air Delivery

6.4m3/min (226cfm/min)

Insulation

Class F

Noise

78dB

Inlet Pressure

Atmosphere

Color

Customized is accepted

Lubrication Style:

Oil Lubricate

Working Pressure

8bar

Temperature rise;

Class B

Drive Mode

Direct Drive

Weight:

1080kgs

Diameter of outlet

G 1″

After-sales Service

Engineers available to service overseas

Cooling method

air cooling

Enviroment temprature

-5~+45ºC

OEM:

Welcomed

Dimension

1650*880*1280mm

Warranty

12 Months

Package:According to the customer’s requirements to customize OEM or ODM products. And in order to let our customer to receive the whole good quality products,
we packed all of the goods by polywood case free for them.

E
Energy Saving Analysis of Two Stage Screw Compressor

Power range: 20Hp ~ 600Hp
Customize Working Pressure: 6-16Bar
Normal working pressure: 7bar/8bar/10bar/13bar

*The fisrt time compressed air go through fuel injection cooling,after lowered the 2 stage suction temperature,do the second same pressure compression.
*Two stage compressor using the same pressure ratio to set the air end space pressure. So each stage compression ratio is less than CHINAMFG compression ratio.The amount of the backflow leakage between the rotors is greatly reduced, and the volumetric efficiency and the adiabatic efficiency are greatly improved *Under the same power, the 2 stage compressor compressed air is more 15% higer than CHINAMFG compressor, and can achieve up to 15% energy saving.

Nine Hihglight points for Keepwin’s Screw Compressor

1. Intelligent microcomputer control system, controller has the remind & record function, show the compressor operation situation clearly
2. Superior components, low maintenance cost
3.Germany OPTI belt, easy for replace, and ensure the product quality
4. Oversize air-end, low rpm, no overheat problem
5. IP54/IP55 high quality motor, CHINAMFG bearing, Class F level insulation; Class BTemperature rise;
6. Discharge temperature= Ambient temperature+15ºC, with cooling/ventilation system tailor made to the same local hot-humid climatic condition, NO OVERHEATING ON CONTINUOUS 100% LOAD IS GUARANTEED!
7.Top door is locking design, easy to open to clean the cooler and fan
8.Compressor is filled with lubrication oil before delivering, you can operate it after installed and powered on. Once it run 500hours to change the new air filter and oil filter was set for first maintenance, then normally change them with 2000-3000hours for once maintenance replacing new one.
9. Phase reversal protection, current overload protection, pressure protection, overheat protection

COMPRESSOR Picture	Model &Name	Motor	Air End type	Working Pressure/	Air Delivery	Power	Power consumption compare & calculation
	KP-LD-22 Normal screw compressor (single stage air end)	Normal motor	Single stage air end	8bar	3.3m3/min	22KW	“=22KW10h360days*0.2 usd
	KP-LDV-22 Inverter screw compressor	Inverter/Frequency motor	Single stage air end	8bar	0.6-3.3m3/min	22KW	“=22KW10h360days0.2 usd15%
	KP-LR-18.5 Two Stage screw compressor (two stage air end)	Normal motor	Two stage air end	8bar	3.3m3/min	18.5KW	=18.5KW10h360days*0.2 usd
Above calculation was based the normal working 10hours everyday ,total worked for 360days in a year, and example for the power electric charge is USD$0.2/KW.h ( please you can change to your local correct power electric charge;) 1. SLD-22 Normal screw compressor =22KW10h360days$0.2 usd /KW.h=USD $15840.00 2.SLDV-22 Inverter CHINAMFG =22KW10h360days$0.2 usd /KW.h15%=USD $13464.00 (for frequency/inverter CHINAMFG can save at least 15% power consumption than normal screw compressor) 3. SLR-18.5 Two Stage CHINAMFG =18.5KW10h360days$0.2 usd /KW.h=USD $13320.00

Technical Parameter (Two Stage Screw Air Compressor)

Model

Working Pressure

F.A.D (Air Delivery)

Motor Power

Dimension

N.W

Connection

Bar

Psi

m3/min

cfm

L×W×H(mm)

KP-LR-15S

116

2.9

102

1150*800*1180

500

DN20

145

2.6

189

2.2

KP-LR-18.5S

116

3.3

117

18.5

1150*800*1180

700

DN25

145

106

189

2.6

KP-LR-22S

116

4.1

145

1650*880*1280

800

G1-1/2

145

3.5

124

189

3.2

113

KP-LR-30S

116

6.4

226

1650*880*1280

1080

G1-1/2

145

4.9

173

189

4.2

148

KP-LR-37S

116

7.1

251

2000*1260*1560

1380

G1-1/2

145

6.3

223

189

5.4

191

KP-LR-45S

116

9.7

343

2000*1260*1560

1980

G2″

145

7.8

276

189

6.5

230

KP-LR-55S

116

12.5

442

2100*1360*1660

2380

G2″

145

9.6

339

189

8.6

304

KP-LR-75S

116

16.5

583

100

2100*1360*1660

3200

G2″

145

12.5

442

189

11.2

396

KP-LR-90S

116

706

125

2550*1730*1918

3400

DN65

145

16.9

597

189

495

KP-LR-110S

116

23.5

830

110

150

2550*1730*1918

4500

DN80

145

706

189

600

KP-LR-132S

116

989

132

180

2855*1730*1918

4800

DN80

145

23.5

830

189

19.5

689

KP-LR-160S

116

1166

160

220

2855*1730*1918

6200

DN80

145

989

189

812

KP-LR-185S

116

1342

185

250

3200*1730*1918

6300

DN80

145

32.5

1148

189

27.5

971

KP-LR-200S

116

1519

200

280

3200*1730*1918

6500

DN100

145

38.5

1360

189

1166

KP-LR-220S

116

1660

220

300

4000*1730*1918

6850

DN125

145

41.5

1466

189

1342

KP-LR-250S

116

1907

250

340

4000*2120*2200

8100

DN125

145

1590

189

1413

KP-LR-280S

116

2084

280

380

4350*2050*2120

8500

DN125

145

53.5

1890

189

43.5

1537

KP-LR-315S

116

2403

315

420

4350*2050*2120

8600

DN125

145

2191

189

1943

KP-LR-355S

116

2615

355

480

4550*2150*2220

8800

DN125

145

2403

189

2191

*According to the standard of GB19153-2009 *Compressor Stage: CHINAMFG Compression
*Standard Power Supply: 380V/50Hz/3ph *Exhaust Temperature: Ambient Temperature +15ºC
*Configurated normal temperature type Air dryer,with Dew Point range: 3-10ºC;
*Please contact us for any specification that is not within the above mentioned standard.

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We Consider Our Customers as Our Friends and Families, and We do Believe in the CHINAMFG Situation for Building up Long-Term Relationship.
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    Provide innovative, stable products and services.
• Quality
    Deliver consistently superior performance and pursue every possible improvement.
• Agility
    Identify emerging trends and act quickly to acquire new opportunities.
• Customer Satisfaction
    Anticipate customer needs and exceed their expectations.
• Warranty
Within 12 months since the customer used,or 18 months since shipped from factory, no matter which expires, we ensure that no defects for material and manufacturing.
• OEM & ODM
According to the customer’s requirements to customize OEM or ODM products. And in order to let our customer to receive the whole good quality products, we packed all of the goods by polywood case free for them.

Lubrication Style:	Lubricated
Cooling System:	Air Cooling
Power Source:	AC Power
Cylinder Position:	Angular
Structure Type:	Open Type
Installation Type:	Stationary Type

Samples:	US$ 5888/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \|

air compressor

What are the differences between stationary and portable air compressors?

Stationary and portable air compressors are two common types of air compressors with distinct features and applications. Here are the key differences between them:

1. Mobility:

The primary difference between stationary and portable air compressors is their mobility. Stationary air compressors are designed to be permanently installed in a fixed location, such as a workshop or a factory. They are typically larger, heavier, and not easily movable. On the other hand, portable air compressors are smaller, lighter, and equipped with handles or wheels for easy transportation. They can be moved from one location to another, making them suitable for jobsites, construction sites, and other mobile applications.

2. Power Source:

Another difference lies in the power source used by stationary and portable air compressors. Stationary compressors are usually powered by electricity, as they are designed for continuous operation in a fixed location with access to power outlets. They are connected to the electrical grid or have dedicated wiring. In contrast, portable compressors are available in various power options, including electric, gasoline, and diesel engines. This versatility allows them to operate in remote areas or sites without readily available electricity.

3. Tank Capacity:

Tank capacity is also a distinguishing factor between stationary and portable air compressors. Stationary compressors often have larger storage tanks to store compressed air for extended periods. The larger tanks enable them to deliver a continuous and steady supply of compressed air for longer durations without the need for frequent cycling. Portable compressors, due to their compact size and portability, generally have smaller tank capacities, which may be sufficient for intermittent or smaller-scale applications.

4. Performance and Output:

The performance and output capabilities of stationary and portable air compressors can vary. Stationary compressors are typically designed for high-volume applications that require a consistent and continuous supply of compressed air. They often have higher horsepower ratings, larger motor sizes, and higher air delivery capacities. Portable compressors, while generally offering lower horsepower and air delivery compared to their stationary counterparts, are still capable of delivering sufficient air for a range of applications, including pneumatic tools, inflation tasks, and light-duty air-powered equipment.

5. Noise Level:

Noise level is an important consideration when comparing stationary and portable air compressors. Stationary compressors, being larger and built for industrial or commercial settings, are often equipped with noise-reducing features such as sound insulation and vibration dampening. They are designed to operate at lower noise levels, which is crucial for maintaining a comfortable working environment. Portable compressors, while efforts are made to reduce noise, may produce higher noise levels due to their compact size and portability.

6. Price and Cost:

Stationary and portable air compressors also differ in terms of price and cost. Stationary compressors are generally more expensive due to their larger size, higher power output, and industrial-grade construction. They often require professional installation and may involve additional costs such as electrical wiring and system setup. Portable compressors, being smaller and more versatile, tend to have a lower upfront cost. They are suitable for individual users, contractors, and small businesses with budget constraints or flexible air supply needs.

When selecting between stationary and portable air compressors, it is essential to consider the specific requirements of the intended application, such as mobility, power source availability, air demands, and noise considerations. Understanding these differences will help in choosing the appropriate type of air compressor for the intended use.

air compressor

Can air compressors be integrated into automated systems?

Yes, air compressors can be integrated into automated systems, providing a reliable and versatile source of compressed air for various applications. Here’s a detailed explanation of how air compressors can be integrated into automated systems:

Pneumatic Automation:

Air compressors are commonly used in pneumatic automation systems, where compressed air is utilized to power and control automated machinery and equipment. Pneumatic systems rely on the controlled release of compressed air to generate linear or rotational motion, actuating valves, cylinders, and other pneumatic components. By integrating an air compressor into the system, a continuous supply of compressed air is available to power the automation process.

Control and Regulation:

In automated systems, air compressors are often connected to a control and regulation system to manage the compressed air supply. This system includes components such as pressure regulators, valves, and sensors to monitor and adjust the air pressure, flow, and distribution. The control system ensures that the air compressor operates within the desired parameters and provides the appropriate amount of compressed air to different parts of the automated system as needed.

Sequential Operations:

Integration of air compressors into automated systems enables sequential operations to be carried out efficiently. Compressed air can be used to control the timing and sequencing of different pneumatic components, ensuring that the automated system performs tasks in the desired order and with precise timing. This is particularly useful in manufacturing and assembly processes where precise coordination of pneumatic actuators is required.

Energy Efficiency:

Air compressors can contribute to energy-efficient automation systems. By incorporating energy-saving features such as Variable Speed Drive (VSD) technology, air compressors can adjust their power output according to the demand, reducing energy consumption during periods of low activity. Additionally, efficient control and regulation systems help optimize the use of compressed air, minimizing waste and improving overall energy efficiency.

Monitoring and Diagnostics:

Integration of air compressors into automated systems often includes monitoring and diagnostic capabilities. Sensors and monitoring devices can be installed to collect data on parameters such as air pressure, temperature, and system performance. This information can be used for real-time monitoring, preventive maintenance, and troubleshooting, ensuring the reliable operation of the automated system.

When integrating air compressors into automated systems, it is crucial to consider factors such as the specific requirements of the automation process, the desired air pressure and volume, and the compatibility of the compressor with the control and regulation system. Consulting with experts in automation and compressed air systems can help in designing an efficient and reliable integration.

In summary, air compressors can be seamlessly integrated into automated systems, providing the necessary compressed air to power and control pneumatic components, enabling sequential operations, and contributing to energy-efficient automation processes.

air compressor

How does an air compressor work?

An air compressor works by using mechanical energy to compress and pressurize air, which is then stored and used for various applications. Here’s a detailed explanation of how an air compressor operates:

1. Air Intake: The air compressor draws in ambient air through an intake valve or filter. The air may pass through a series of filters to remove contaminants such as dust, dirt, and moisture, ensuring the compressed air is clean and suitable for its intended use.

2. Compression: The intake air enters a compression chamber, typically consisting of one or more pistons or a rotating screw mechanism. As the piston moves or the screw rotates, the volume of the compression chamber decreases, causing the air to be compressed. This compression process increases the pressure and reduces the volume of the air.

3. Pressure Build-Up: The compressed air is discharged into a storage tank or receiver where it is held at a high pressure. The tank allows the compressed air to be stored for later use and helps to maintain a consistent supply of compressed air, even during periods of high demand.

4. Pressure Regulation: Air compressors often have a pressure regulator that controls the output pressure of the compressed air. This allows the user to adjust the pressure according to the requirements of the specific application. The pressure regulator ensures that the compressed air is delivered at the desired pressure level.

5. Release and Use: When compressed air is needed, it is released from the storage tank or receiver through an outlet valve or connection. The compressed air can then be directed to the desired application, such as pneumatic tools, air-operated machinery, or other pneumatic systems.

6. Continued Operation: The air compressor continues to operate as long as there is a demand for compressed air. When the pressure in the storage tank drops below a certain level, the compressor automatically starts again to replenish the compressed air supply.

Additionally, air compressors may include various components such as pressure gauges, safety valves, lubrication systems, and cooling mechanisms to ensure efficient and reliable operation.

In summary, an air compressor works by drawing in air, compressing it to increase its pressure, storing the compressed air, regulating the output pressure, and releasing it for use in various applications. This process allows for the generation of a continuous supply of compressed air for a wide range of industrial, commercial, and personal uses.

China factory 4 Bar 5.5bar 6bar 7bar 8bar 10 Bar Air Compressor Two Stage Screw Air Compressor manufacturer
editor by CX 2023-10-20

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