Product Description
Water lubrication oil free screw compressor
OIL FREE SINGLE SCREW WATER LUBRICATION AIR COMPRESSOR:
| Top Compression Structure in the World —- Z Air End High-tech crystal. Widely used in the world. ” Z air end” is composed of 1 active rotor and 2 sets high-precision passive rotors, to achieve the characteristics of dynamic equilibrium, small vibration, low noise and long service life. Oil Free —-Totally Oil Free ZREW oil free water lubrication screw air compressor is a kind of compressor that provides clean, pollution-free, 100% oil free screw air compressor, its zero emission can protect the environment efficiently |
Water —- Lubrication, Sealing and Cooling
| Ideal isothermal compression Low temperature compression Low rotation speed Low viscosity of lubrication water |
High efficiency (large air delivery) No need the intercooler and after cooler Low noise, low vibration and no need the overdrive gear Easy to be separated with the air |
Technical Parameters:
| Model | Cooling | Working Pressure | Air Delivery | Motor Power | Air/Water Cooling vloume |
Dimension | Weight |
|||
| bar | psig | m3/min | cfm | kw/hp | L/min | mm | kg | |||
| DCW-10A | Air cooling | 7 | 100 | 1.3 | 46 | 7.5/10 | 2 | 1100*845*1260 | 520 | |
| 8 | 116 | 1.2 | 42 | |||||||
| 10 | 145 | / | / | |||||||
| DCW-15A | 7 | 100 | 1.6 | 57 | 11/15 | 2.5/12.5 | 1100*845*1260 | 580 | ||
| 8 | 116 | 1.5 | 53 | |||||||
| 10 | 145 | 1.4 | 49 | |||||||
| DCW-20A | 7 | 100 | 2.5 | 88 | 15/20 | 3.5/4 | 1520*1100*1400 | 620 | ||
| 8 | 116 | 2.3 | 81 | |||||||
| 10 | 145 | 2 | 71 | |||||||
| DCW-25A | 7 | 100 | 3.3 | 116 | 18.5/25 | 4 | 1520*1100*1400 | 720 | ||
| 8 | 116 | 3.1 | 109 | |||||||
| 10 | 145 | 2.5 | 88 | |||||||
| DCW-30A | 7 | 100 | 3.7 | 131 | 22/30 | 5 | 1520*1100*1400 | 830 | ||
| 8 | 116 | 3.5 | 124 | |||||||
| 10 | 145 | 3 | 106 | |||||||
| DCW-40A | Water cooling | 7 | 100 | 5.3 | 187 | 30/40 | 7 | 1760*1250*1600 | 980 | |
| 8 | 116 | 5 | 177 | |||||||
| 10 | 145 | 4.3 | 152 | |||||||
| DCW-50A | 7 | 100 | 6.2 | 219 | 37/50 | 9 | 1760*1250*1600 | 1100 | ||
| 8 | 116 | 5.9 | 208 | |||||||
| 10 | 145 | 5 | 177 | |||||||
| DCW-60A | 7 | 100 | 7.5 | 265 | 45/60 | 10 | 1900*1250*1360 | 1250 | ||
| 8 | 116 | 7 | 247 | |||||||
| 10 | 145 | 6 | 212 | |||||||
| DCW-75A | 7 | 100 | 10 | 353 | 55/75 | 12 | 1900*1250*1360 | 1450 | ||
| 8 | 116 | 9.5 | 335 | |||||||
| 10 | 145 | 7.9 | 279 | |||||||
| DCW-100A | 7 | 100 | 13 | 459 | 75/100 | 18 | 2000*1250*1360 | 1600 | ||
| 8 | 116 | 12.5 | 441 | |||||||
| 10 | 145 | 10 | 353 | |||||||
| DCW-125A | 7 | 100 | 15 | 530 | 90/125 | 20 | 2100*1850*1700 | 2000 | ||
| 8 | 116 | 13.5 | 477 | |||||||
| 10 | 145 | 12.8 | 452 | |||||||
| DCW-150A | 7 | 100 | 20 | 706 | 110/150 | 24 | 2100*1850*1700 | 2500 | ||
| 8 | 116 | 18.5 | 653 | |||||||
| 10 | 145 | 16.5 | 582 | |||||||
| DCW-175A | 7 | 100 | 23.5 | 830 | 132/175 | 30 | 2300*1900*1900 | 2650 | ||
| 8 | 116 | 23 | 812 | |||||||
| 10 | 145 | 20 | 706 | |||||||
| DCW-220A | 7 | 100 | 26 | 918 | 160/220 | 35 | 2300*1900*1900 | 2800 | ||
| 8 | 116 | 24 | 847 | |||||||
| 10 | 145 | 23 | 812 | |||||||
| DCW-250A | 7 | 100 | 32.5 | 1147 | 180/250 | 43 | 2300*1900*1900 | 3000 | ||
| 8 | 116 | 31 | 1094 | |||||||
| 10 | 145 | 28 | 989 | |||||||
| DCW-350A | 7 | 100 | 42 | 1483 | 250/350 | 53 | 3200*2100*2000 | 4800 | ||
| 8 | 116 | 40 | 1412 | |||||||
| 10 | 145 | 38 | 1314 | |||||||
Advantages
Oil Free —-Totally Oil Free:
Oil free water lubrication screw air compressor is a kind of compressor that provides clean, pollution-free, 100% oil free screw air compressor, its zero emission can protect the environment efficiently.
Water —- Lubrication, Sealing and Cooling:
Ideal isothermal compression High efficiency (large air delivery)
Low temperature compression No need the intercooler and after cooler
Low rotation speed Low noise, low vibration and no need the overdrive gear
Low viscosity of lubrication water Easy to be separated with the air
All stainless steel pipe : Simple ,non-corrosive,non-polluting,high reliablity
Single Stage Compression ,High Efficiency ,and Energy Saving ,and Easy Maintenance: Single stage compression makes the structure easy.Compression efficiency is higher than the 2 stage dry air compressor.Less consumable parts, easy to be disassembled, reduce the maintenance cost and time greatly.
Packaging and shipping
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.
Exhibition
Customer Case
Customer Feedback
Why choose us
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.arrange our engineers to help you training and installation.
Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.
Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.
Q7. 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.
Q8. 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.
Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
Q10.How long could your air compressor be used?
A: Generally, more than 10 years.
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Angular |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
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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.
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What safety precautions should be taken when working with compressed air?
Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:
1. Personal Protective Equipment (PPE):
Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.
2. Compressed Air Storage:
Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.
3. Pressure Regulation:
Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.
4. Air Hose Inspection:
Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.
5. Air Blowguns:
Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.
6. Air Tool Safety:
Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.
7. Air Compressor Maintenance:
Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.
8. Training and Education:
Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.
9. Lockout/Tagout:
When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.
10. Proper Ventilation:
Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.
By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.
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In which industries are air compressors widely used?
Air compressors find extensive usage across various industries due to their versatility and ability to generate compressed air. Here are some industries where air compressors are widely employed:
1. Manufacturing: Air compressors are essential in manufacturing processes for powering pneumatic tools and equipment. They are used for tasks such as operating assembly lines, powering robotic machinery, running paint sprayers, and driving pneumatic actuators.
2. Construction: Air compressors play a crucial role in the construction industry. They power pneumatic tools like jackhammers, nail guns, impact wrenches, and concrete breakers. Compressed air is also used for concrete spraying, sandblasting, and operating air-powered lifts and hoists.
3. Automotive: Air compressors are widely used in automotive manufacturing and repair. They power air tools used in auto body shops, tire inflation equipment, pneumatic lifts, and air-operated brake systems. Compressed air is also utilized in vehicle painting and drying processes.
4. Oil and Gas: The oil and gas industry extensively relies on air compressors for various applications. They are used for pneumatic drilling, powering pneumatic tools in refineries and petrochemical plants, operating pneumatic valves and actuators, and providing instrument air for control systems.
5. Food and Beverage: Air compressors are employed in the food and beverage industry for tasks such as packaging, bottling, and sealing. They power pneumatic conveying systems, control air pressure in food processing equipment, and provide clean compressed air for food handling and storage.
6. Pharmaceutical and Healthcare: Air compressors find application in pharmaceutical manufacturing and healthcare facilities. They are used for operating medical equipment, such as ventilators and dental tools. Compressed air is also utilized in pharmaceutical processes, including tablet coating, fluid bed drying, and aseptic packaging.
7. Aerospace: The aerospace industry relies on air compressors for various applications, including aircraft maintenance and assembly. They power pneumatic tools for aircraft repair, provide compressed air for cleaning and pressurizing systems, and support ground operations, such as tire inflation and aircraft de-icing.
8. Mining: Air compressors are extensively used in the mining industry. They power pneumatic tools for drilling, rock blasting, and excavation. Compressed air is also utilized for ventilation, conveying materials, and operating underground equipment.
9. Energy and Utilities: Air compressors play a vital role in the energy and utilities sector. They are used in power generation plants for pneumatic control systems, instrument air, and operating pneumatic valves. Compressed air is also employed for cleaning and maintenance purposes.
These are just a few examples of the industries where air compressors are widely utilized. The versatility and reliability of air compressors make them indispensable in numerous applications across diverse sectors.


editor by CX 2023-10-01