Product feature
100% safe, high quality air Enjoy lower operating and maintenance costs with an ISO 8573-1:2010 CLASS 0 certified compressor. The DHH eliminates the risk of contamination with 100% oil-free air for applications that require the highest levels of purity like - medical - pharmaceutical production - food production - critical electronics The water-injected screw compressors, water-cooled or air-cooled, meet your needs for quality air with high-pressure capability and energy efficiency.
High efficiency
The superior cooling capability of water ensures that heat is removed efficiently at the source to generate more air per kW of power.
Energy savings
Variable Speed Drive versions offer energy savings of up to 35% by eliminating load/no load transition losses. Precise pressure control allows a tighter pressure band and a lower average working pressure for reduced energy consumption
Certified 100% oil-free air
DHH compressors provide 100% pure, clean air that meets the CLASS 0 (2022) standard. CLASS 0 means zero risk of contamination. zero risk of damaged or unsafe products. zero risk of losses from operational downtime.
Quiet operation
DHH compressors are supplied in a sound-insulated canopy making them ideal for most working environments. No need for a separate compressor room.
Technical parameters of oil-free screw air compressor of water lubrication:
| Model | Air Delivery (m3/min) | Power (kW) | Noise (Db) | Outlet diameter | Dimension (mm) | Weight (Kg) |
| 0.7Mpa | 0.8Mpa | 1.0Mpa | Length | Width | Height |
| DHH7.5WS | 1.30 | 1.20 | / | 7.5 | 60 | G3/4 | 1100 | 845 | 1260 | 520 |
| DHH11WS | 1.60 | 1.50 | 1.40 | 11 | 60 | G3/4 | 1100 | 845 | 1260 | 580 |
| DHH15WS | 2.50 | 2.30 | 2.00 | 15 | 65 | G3/4 | 1520 | 1100 | 1400 | 620 |
| DHH18.5WS | 3.30 | 3.10 | 2.50 | 18.5 | 65 | G1 | 1520 | 1100 | 1400 | 720 |
| DHH22WS | 3.70 | 3.50 | 3.00 | 22 | 68 | G1 | 1520 | 1100 | 1400 | 830 |
| DHH30WS | 5.30 | 5.00 | 4.30 | 30 | 71 | G1 1/2 | 1760 | 1250 | 1600 | 980 |
| DHH37WS | 6.20 | 5.90 | 5.00 | 37 | 71 | G1 1/2 | 1760 | 1250 | 1600 | 1100 |
| DHH45WS | 7.50 | 7.00 | 6.00 | 45 | 74 | G1 1/2 | 1900 | 1250 | 1360 | 1250 |
| DHH55WS | 10.00 | 9.50 | 7.90 | 55 | 74 | G2 | 1900 | 1250 | 1360 | 1450 |
| DHH75WS | 13.00 | 12.50 | 10.00 | 75 | 75 | G2 | 1900 | 1250 | 1360 | 1600 |
| DHH90WS | 15.00 | 13.50 | 12.80 | 90 | 75 | DN65 | 2250 | 1500 | 1650 | 2000 |
| DHH110WS | 20.00 | 18.50 | 16.50 | 110 | 78 | DN65 | 2250 | 1500 | 1650 | 2500 |
| DHH132WS | 23.50 | 23.00 | 20.00 | 132 | 78 | DN65 | 2250 | 1500 | 1650 | 2650 |
| DHH160WS | 26.00 | 24.00 | 23.00 | 160 | 80 | DN80 | 2300 | 1900 | 1900 | 2800 |
| DHH185WS | 32.5 | 31 | 28 | 185 | 82 | DN80 | 2300 | 1900 | 1900 | 3000 |
| DHH200WS | 36 | 33 | 27 | 200 | 85 | DN100 | 3200 | 2100 | 2000 | 4000 |
| DHH250WS | 42 | 40 | 38 | 250 | 85 | DN100 | 3200 | 2100 | 2000 | 4800 |
Our water-lubricated oil-free air compressors are designed for special and unique requirement fields, such as medicine, food, laboratory and so on.
The host structure adopts single screw compressor, lubricating medium adopt purified water of drinkable standard,the whole compression system does not have any lubricating oil, and the high performance water filter was installed, therefore, 100% clean compressed air is provided for special production processes.
FAQ
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of Jiangsu, 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.Worldwide 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 two 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.
