Product Description
CHINAMFG belt driven series oil-less screw compressors are lower noise, coupling high efficiency, reliable quality.
ZheJiang CHINAMFG CHINAMFG features:
1. perfect performance
2. microcomputer controller
3. CHINAMFG CHINAMFG OEM acceptablee
Welcome to visit our factory!
Rotary screw air compressor(variable speed)
| DHH | Air flow Capacity (m3/min) | Power | Noise | Outlet diameter | Dimension | Weight | |||
| MODEL | 0.7Mpa | 0.8Mpa | 1.0Mpa | 1.3Mpa | (KW) | DB(A) | INCH | W×D×H mm | Kg |
| DCF-30A | 3.6 | 3.4 | 3.2 | 2.8 | 22 | 68 | G1″ | 1300×920×1100 | 730 |
| DCF-50A | 6.5 | 6.2 | 5.6 | 4.9 | 37 | 69 | G1 1/2″ | 1450×1000×1240 | 950 |
| DCF-75A/W | 10.1 | 9.5 | 8.5 | 7.5 | 55 | 70 | G2″ | 1720×1200×1340 | 1750 |
| DCF-100A/W | 13.6 | 12.8 | 12.3 | 10.2 | 75 | 72 | G2″ | 2571×1260×1460 | 1980 |
| DCF-125A/W | 16.1 | 15.5 | 14.0 | 12.5 | 90 | 72 | DN50 | 2571×1260×1460 | 2580 |
| DCF-150A/W | 21.2 | 19.6 | 17.8 | 15.5 | 110 | 73 | DN65 | 2300×1600×1790 | 2900 |
| DCF-175A/W | 24.1 | 23.2 | 20.5 | 17.8 | 132 | 74 | DN65 | 2300×1600×1790 | 3100 |
| DCF-220A/W | 28.8 | 27.8 | 25.0 | 22.4 | 160 | 75 | DN80 | 2500×1700×1850 | 3600 |
| DCF-250A/W | 32.5 | 31.2 | 28.0 | 25.8 | 185 | 77 | DN80 | 2500×1700×1850 | 3980 |
| DCF-270A/W | 34.5 | 34.0 | 30.5 | 28 | 200 | 76 | DN80 | 2500×1700×1850 | 4350 |
| DCF-300A/W | 36.8 | 34.7 | 31.5 | 29.5 | 220 | 80 | DN100 | 2800×1900×1950 | 4950 |
| DCF-350A/W | 43.0 | 41.5 | 38.0 | 34.9 | 250 | 78 | DN100 | 2800×1900×1950 | 5300 |
| DCF-375A/W | 51.35 | 50.59 | 46.06 | 41.51 | 280 | 82 | DN125 | 4200×2200×2240 | 7600 |
| DCF-400A/W | 56.79 | 55.95 | 50.08 | 45.62 | 315 | 82 | DN125 | 4200×2200×2240 | 7600 |
| DCF-450A/W | 66.08 | 65.43 | 55.12 | 49.58 | 355 | 83 | DN125 | 4200×2200×2240 | 8200 |
| DCF-500A/W | 75.05 | 74.31 | 64.46 | 58.07 | 400 | 83 | DN125 | 4200×2200×2240 | 8200 |
Core components of our screw air compressor
| No. | Part Name | Manufacturer |
| 1 | Air end | Hanbell(or CHINAMFG Dynamic) |
| 2 | Pressure sensor | America MSI |
| 3 | Temperature sensor | Italy S.E.C. |
| 4 | intake valve | Red-Star |
| 5 | Automatic proportional valve | Italy S.E.C./ Austria HOERBIGER |
| 6 | PLC Controller chip | Italy S.E.C. |
| 7 | PLC Controller (English) | DHH |
| 8 | Contactor | ABB or Schneider |
| 9 | Motor | Equipped with CHINAMFG bearings(Zhongda/ Huabing motor) |
| 10 | air filter | DHH |
| 11 | Oil filter | German MANN |
| 12 | Oil-air separator element | DHH |
| 13 | Min. pressure valve | Italy S.E.C. |
| 14 | Temperature control valve | America AMOT CONTROLS/Italy S.E.C. |
| 15 | Solenoid valve | Italy O.D.E |
| 16 | Air Cooler | Made in China |
| 17 | Oil tank | Made in China |
| 18 | Safety valve | Made in China |
| 19 | Base and Box | DHH |
| 20 | Fan | Made in China |
| 21 | Pipeline | DHH |
Packaging & Shipping
Export package, by plywood case, before packing, the air compressors will be covered by pp film, and bottom fixed by nails to fasten it.
Project case
Customer feedback
Company Profile
Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineers’ teams.We focus on the research & develop, manufacture and energy-saving solutions of screw air compressor to create value for customers and society.
Dehaha opened to the world since 2015, and now we have a foreign trade department with more than dozens people, serving customers around the world 24 hours. We have sales representatives who can speak English, Spanish, Portuguese, French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.now our valued customers are over 130 countries. Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.
Dehaha continuously innovates product development and management to meet customers’ demand. The powerful enterprise culture and continuous innovation make CHINAMFG improved rapidly to reach the business principle “Energy Saving First, Mutual Value Shared”. The production line of CHINAMFG is consist of screw air compressor from 5.5KW to 550KW, oil free air compressor, portable air compressor, permanent magnet variable frequency air compressor, high pressure air compressor and compressed air purification equipment, etc.
Dehaha mission is to be a world-renowned high-end brand, with sustainable development, constantly improving its own value and sharing it with our customers and staff. Committed to offer our customers a silent and energy-saving manufactured products.
Certificate
Our Services
If you have any question about our air compressors, do feel free to let us know, we will give you reply within 24 hours!
FAQ
1.Why customer choose us?
DEHAHA COMPRESSOR ZheJiang CO.,LTD.with 24 years old history,we are specialized in Rotary Screw Air Compressor.Germany Standard and 13 years exporting experience help us won more than 30 loyal foreign agents.We warmly welcome your small trial order for quality or market test.
2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in HangZhou,China,with professional design team.Both OEM & ODM service can be accepted.
3.Where is your factory located? How can I visit there?
Our factory is located in HangZhou City, ZheJiang Province, China. We can pick up you from ZheJiang , it’s about 1 hour from ZheJiang Xihu (West Lake) Dis. Airport to our factory. Warmly welcome to visit us!
4.What’s your delivery time?
380V 50HZ we can delivery the goods within 14 days. Other electricity or other color we will delivery within 22 days,if urgently order,pls contact our sales in advance.
5.How long is your air compressor warranty?
One year for the whole machine and 2 years for screw air end, except consumable spare parts and we can provide some spare parts of the machines
6.How does your factory do regarding quality control?
Quality is everything. we always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001:2015 authentication and CE certificate.
7.How long could your air compressor be used?
Generally, more than 10 years.
8. What’s payment term?
T/T,L/C,D/P,Western Union,Paypal,Credit Card,and etc.Also we could accept USD, RMB, Euro and other currency.
9.How about your customer service?
24 hours on-line service available.48 hours problem solved promise.
10.How about your after-sales service?
(1) Provide customers with installation and commissioning online instructions.
(2) Well-trained engineers available to overseas service.
(3) CHINAMFG agents and after service available.
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
|
|
|---|
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What are the advantages of using an air compressor in construction?
Using an air compressor in construction offers numerous advantages that contribute to increased efficiency, productivity, and versatility. Here are some key benefits of using air compressors in construction:
- Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
- Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
- Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
- Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
- Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
- Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
- Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.
It is important to select the appropriate air compressor for construction applications based on factors such as required air pressure, volume, portability, and durability. Regular maintenance, including proper lubrication and cleaning, is crucial to ensure the optimal performance and longevity of air compressors in construction settings.
In summary, the advantages of using air compressors in construction include powering pneumatic tools, efficient operation, portability, versatility, increased productivity, cost savings, and reduced electrocution risk, making them valuable assets on construction sites.
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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.
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What maintenance is required for air compressors?
Maintaining air compressors is essential to ensure their optimal performance, longevity, and safe operation. Regular maintenance helps prevent breakdowns, improves efficiency, and reduces the risk of accidents. Here are some key maintenance tasks for air compressors:
1. Regular Inspection: Perform visual inspections of the air compressor to identify any signs of wear, damage, or leaks. Inspect the compressor, hoses, fittings, and connections for any abnormalities. Pay attention to oil leaks, loose bolts, and worn-out components.
2. Oil Changes: If your air compressor has an oil lubrication system, regular oil changes are crucial. Follow the manufacturer’s recommendations for the frequency of oil changes and use the recommended oil type. Dirty or degraded oil can impact compressor performance and lead to premature wear.
3. Air Filter Cleaning or Replacement: Clean or replace the air filter regularly to ensure proper air intake and prevent contaminants from entering the compressor. Clogged or dirty filters can restrict airflow and reduce efficiency.
4. Drain Moisture: Air compressors produce moisture as a byproduct of the compression process. Accumulated moisture in the tank can lead to rust and corrosion. Drain the moisture regularly from the tank to prevent damage. Some compressors have automatic drains, while others require manual draining.
5. Belt Inspection and Adjustment: If your compressor has a belt-driven system, inspect the belts for signs of wear, cracks, or tension issues. Adjust or replace the belts as necessary to maintain proper tension and power transmission.
6. Tank Inspection: Inspect the compressor tank for any signs of corrosion, dents, or structural issues. A damaged tank can be hazardous and should be repaired or replaced promptly.
7. Valve Maintenance: Check the safety valves, pressure relief valves, and other valves regularly to ensure they are functioning correctly. Test the valves periodically to verify their proper operation.
8. Motor and Electrical Components: Inspect the motor and electrical components for any signs of damage or overheating. Check electrical connections for tightness and ensure proper grounding.
9. Keep the Area Clean: Maintain a clean and debris-free area around the compressor. Remove any dirt, dust, or obstructions that can hinder the compressor’s performance or cause overheating.
10. Follow Manufacturer’s Guidelines: Always refer to the manufacturer’s manual for specific maintenance instructions and recommended service intervals for your air compressor model. They provide valuable information on maintenance tasks, lubrication requirements, and safety precautions.
Regular maintenance is vital to keep your air compressor in optimal condition and extend its lifespan. It’s also important to note that maintenance requirements may vary depending on the type, size, and usage of the compressor. By following a comprehensive maintenance routine, you can ensure the reliable operation of your air compressor and maximize its efficiency and longevity.


editor by CX 2023-10-25