China supplier Rotary Direct Connected Variable Speed Shop Screw Air Compressor for Sale air compressor repair near me

Product Description

Product Description

DHH direct 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.DEHAHA CHINAMFG OEM acceptablee
Welcome to visit our factory!
 
Rotary screw air compressor(variable speed)

    Model Air flow capacity (m3/min) Power Noise Outlet Diameter Dimension Weight
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

A represents air-cooling type, W represents water-cooling type;
Working environment temperature: – 5 °C ~ 45 °C;
The exhaust temperature is less than environment temperature about + 10 °C ~ 15 °C.
Driving mode: belt transmission;
Startup mode: frequency start.
Work power: 380V / 50HZ, 460V / 230V / 6KV and 10KV voltages can be made for customers;
F.A.D volume flow test is according to ASMC PTC9 or ISO1217 standard (GB/T3853).
ZheJiang CHINAMFG screw air compressor factory, mainly produce screw type air compressors, range from belt driven, coupling driven to varaible speed and pm permanent magent frequency sires.

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

Advatages
1. Reliable quality, competitive price
2. GHH Air end, 10 years manufacture experience
3. Good spare parts
4. Easy to install, operate, maintent.
5. Low noise, Low engergy consumption, Low runing, Low maintenance cost.
6. Aptitude and intelligent Control, PLC control, LCD displayer.

High quality VSD Inverter Screw Air Compressor Technical Parameters:

DHH Air flow Capacity (m 3 /min)/cfm Power Noise Outlet
diameter
Dimension Weight
MODEL 0.7Mpa 0.8Mpa 1.0Mpa 1.3Mpa kW HP DB(A) INCH W× D× H mm Kg
m 3 cfm m 3 cfm m 3 cfm m 3 cfm    
DCF-30A 3.6 127.1 3.4 120 3.2 113 2.8 98.9 22 30 68 G1″ 1300× 920× 1100 730
DCF-50A 6.5 229.5 6.2 219 5.6 197.8 4.9 173 37 50 69   G1 1/2″ 1450× 1000× 1240 950
DCF-75A/W 10.1 356.7 9.5 335.5 8.5 300.2 7.5 264.9 55 75 70 G2″ 1720× 1200× 1340 1750
DCF-100A/W 13.6 480.3 12.8 452 12.3 434.4 10.2 360.2 75 100 72 G2″ 2571× 1260× 1460 1980
DCF-125A/W 16.1 568.5 15.5 547.4 14.0 494.4 12.5 441.4 90 125 72 DN50 2571× 1260× 1460 2580
DCF-150A/W 21.2 748.7 19.6 692.2 17.8 628.6 15.5 547.4 110 150 73 DN65 2300× 1600× 1790 2900
DCF-175A/W 24.1 851 23.2 819.3 20.5 724 17.8 628.6 132 175 74 DN65 2300× 1600× 1790 3100
DCF-220A/W 28.8 1017 27.8 981.7 25.0 882.9 22.4 791 160 220 75 DN80 2500× 1700× 1850 3600
DCF-250A/W 32.5 1147.8 31.2 1101.8 28.0 988.8 25.8 911 185 250 77 DN80 2500× 1700× 1850 3980
DCF-270A/W 34.5 1218.4 34.0 1200.7 30.5 1077 28 988.8 200 270 76 DN80 2500× 1700× 1850 4350
DCF-300A/W 36.8 1299.6 34.7 1225.4 31.5 1112.4 29.5 1041.8 220 300 80 DN100 2800× 1900× 1950 4950
DCF-350A/W 43.0 1518.5 41.5 1465.6 38.0 1342 34.9 1232.5 250 350 78 DN100 2800× 1900× 1950 5300
DCF-375A/W 51.35 1813.4 50.59 1786.6 46.06 1626.6 41.51 1466 280 375 82 DN125 4200× 2200× 2240 7600
DCF-400A/W 56.79 2005.5 55.95 1975.9 50.08 1768.6 45.62 1611 315 400 82 DN125 4200× 2200× 2240 7600
DCF-450A/W 66.08 2333.6 65.43 2310.6 55.12 1946.5 49.58 1750.9 355 450 83 DN125 4200× 2200× 2240 8200
DCF-500A/W 75.05 2473.8 74.31 2624.2 64.46 2276.4 58.07 2050.7 400 500 83 DN125 4200× 2200× 2240 8200

Project Case

Customer Feedback

About us

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.

Our Service

1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in CHINAMFG air compressor factory or working site.
5.Plenty of original spare parts with proven quality are all available from our central stocks in ZheJiang and all distributors’depots.
6.All kinds of technical documents in different languages.

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of ZheJiang , China, more than 24 years.
 
Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.
 
Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
 
Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
  2. Well-trained engineers available to overseas service.
  3.CHINAMFG agents and after service avaiable.
 
Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.
  
Q6. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
 
Q7. How do you control quality ?
 A: 1.The raw materials are strictly inspected
     2.Some key parts are imported from overseas
     3.Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

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

How are air compressors utilized in pharmaceutical manufacturing?

Air compressors play a crucial role in pharmaceutical manufacturing, where they are utilized for various critical applications. The pharmaceutical industry requires a reliable source of clean and compressed air to ensure the safety, efficiency, and quality of its processes. Here’s an overview of how air compressors are utilized in pharmaceutical manufacturing:

1. Manufacturing Processes:

Air compressors are used in numerous manufacturing processes within the pharmaceutical industry. Compressed air is employed for tasks such as mixing and blending of ingredients, granulation, tablet compression, coating, and encapsulation of pharmaceutical products. The controlled delivery of compressed air facilitates precise and consistent manufacturing processes, ensuring the production of high-quality pharmaceuticals.

2. Instrumentation and Control Systems:

Pharmaceutical manufacturing facilities rely on compressed air for powering instrumentation and control systems. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control temperature and pressure, and automate various processes. The clean and dry nature of compressed air makes it ideal for maintaining the integrity and accuracy of these critical control mechanisms.

3. Packaging and Filling:

Air compressors are employed in pharmaceutical packaging and filling processes. Compressed air is used to power machinery and equipment for bottle cleaning, labeling, capping, and sealing of pharmaceutical products. Compressed air provides the necessary force and precision for efficient and reliable packaging, ensuring product safety and compliance.

4. Cleanroom Environments:

Pharmaceutical manufacturing often takes place in controlled cleanroom environments to prevent contamination and maintain product quality. Air compressors are used to supply clean and filtered compressed air to these cleanrooms, ensuring a controlled and sterile environment for the production of pharmaceuticals. Compressed air is also utilized in cleanroom air showers and air curtains for personnel and material decontamination.

5. Laboratory Applications:

In pharmaceutical laboratories, air compressors are utilized for various applications. Compressed air is used in laboratory instruments, such as gas chromatographs, mass spectrometers, and other analytical equipment. It is also employed in clean air cabinets, fume hoods, and laminar flow benches, providing a controlled and clean environment for testing, analysis, and research.

6. HVAC Systems:

Air compressors are involved in heating, ventilation, and air conditioning (HVAC) systems in pharmaceutical manufacturing facilities. Compressed air powers the operation of HVAC controls, dampers, actuators, and air handling units, ensuring proper air circulation, temperature control, and environmental conditions in various manufacturing areas.

By utilizing air compressors in pharmaceutical manufacturing, the industry can maintain strict quality standards, enhance operational efficiency, and ensure the safety and efficacy of pharmaceutical products.

air compressor

Are there differences between single-stage and two-stage air compressors?

Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:

Compression Stages:

The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.

Compression Process:

In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.

Pressure Output:

The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.

Efficiency:

Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.

Intercooling:

Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.

Applications:

The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.

It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.

In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.

air compressor

What are the safety considerations when operating an air compressor?

Operating an air compressor requires careful attention to safety to prevent accidents, injuries, and equipment damage. Here are some important safety considerations to keep in mind:

1. Read the Manual: Before operating an air compressor, thoroughly read and understand the manufacturer’s instruction manual. Familiarize yourself with the specific safety guidelines, recommended operating procedures, and any specific precautions or warnings provided by the manufacturer.

2. Proper Ventilation: Ensure that the area where the air compressor is operated has adequate ventilation. Compressed air can produce high levels of heat and exhaust gases. Good ventilation helps dissipate heat, prevent the buildup of fumes, and maintain a safe working environment.

3. Personal Protective Equipment (PPE): Always wear appropriate personal protective equipment, including safety glasses or goggles, hearing protection, and non-slip footwear. Depending on the task, additional PPE such as gloves, a dust mask, or a face shield may be necessary to protect against specific hazards.

4. Pressure Relief: Air compressors should be equipped with pressure relief valves or devices to prevent overpressurization. Ensure that these safety features are in place and functioning correctly. Regularly inspect and test the pressure relief mechanism to ensure its effectiveness.

5. Secure Connections: Use proper fittings, hoses, and couplings to ensure secure connections between the air compressor, air tools, and accessories. Inspect all connections before operation to avoid leaks or sudden hose disconnections, which can cause injuries or damage.

6. Inspect and Maintain: Regularly inspect the air compressor for any signs of damage, wear, or leaks. Ensure that all components, including hoses, fittings, and safety devices, are in good working condition. Follow the manufacturer’s recommended maintenance schedule to keep the compressor in optimal shape.

7. Electrical Safety: If the air compressor is electric-powered, take appropriate electrical safety precautions. Use grounded outlets and avoid using extension cords unless approved for the compressor’s power requirements. Protect electrical connections from moisture and avoid operating the compressor in wet or damp environments.

8. Safe Start-Up and Shut-Down: Properly start and shut down the air compressor following the manufacturer’s instructions. Ensure that all air valves are closed before starting the compressor and release all pressure before performing maintenance or repairs.

9. Training and Competence: Ensure that operators are adequately trained and competent in using the air compressor and associated tools. Provide training on safe operating procedures, hazard identification, and emergency response protocols.

10. Emergency Preparedness: Have a clear understanding of emergency procedures and how to respond to potential accidents or malfunctions. Know the location of emergency shut-off valves, fire extinguishers, and first aid kits.

By adhering to these safety considerations and implementing proper safety practices, the risk of accidents and injuries associated with operating an air compressor can be significantly reduced. Prioritizing safety promotes a secure and productive working environment.

China supplier Rotary Direct Connected Variable Speed Shop Screw Air Compressor for Sale   air compressor repair near meChina supplier Rotary Direct Connected Variable Speed Shop Screw Air Compressor for Sale   air compressor repair near me
editor by CX 2023-10-19