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products >>OIL FREE WATER-LUBRICATED SCREW AIR COMPRESSOR

OIL FREE WATER-LUBRICATED SCREW AIR COMPRESSOR

OIL FREE WATER-LUBRICATED SCREW AIR COMPRESSOR
Product name : OIL FREE WATER-LUBRICATED SCREW AIR COMPRESSOR
Item :
Details :

    
                              
  Oil Free Screw Air Compressor – We call “ALPS”
Crownwell oil free screw air compressor adopts pure water as lubrication, non-use of oil, it can 
provide users with very clean air. Operating costs very low (without oil, oil separator, oil filter).
High efficiency 
Crownwell water lubricated oil free air compressor adopts pure water with functions of sealing, 
cooling and lubricating, free air delivery per unit of horsepower improves 15% than other dry 
type.
Long repair cycle
Ideal isothermal compression, low-speed design and structural components of the special 
good design, airend five-year maintenance-free in normal conditions.
Very low operating costs
Cheaper because of the use of pure water lubrication, without oil, oil separator, oil filters; 
the annual maintenance cost of only a few hundred dollars.
Structure of non-lubricants
The complete system doesn’t have any oil involved, water is used as lubricant. Pure water 
can lubricate and cool the compressor as well as wash away dust in the air, the 
compressed air is clean as after rain.
Ideal isothermal compression
Because the cooling performance of water is much better than the oil. The operating 
temperature is only 40
, near suction temperature, which achieves a high efficiency 
and ideal isothermal compression.
The real environmental protection compressor

Because no oil participates, no any oil pollution happens, all mechanical parts adopt 
rust-proof material such as stainless steel, copper alloys, ceramics, carbon fiber,
etc; 
high-precision water filter ensures the lubrication of water to maintain clean.


Model Discharge Capacity Discharge Pressure Noise Level Motor Power  Outlet Connection Cooling water Dimension Weight
(m³/min) (Bar) dB(A) (KW/HP)  (T/H) L×W×H(mm) (Kg)
CW-7.5-OF 1.1 8 58 7.5/10 3/4” 2.5 1300x800x1300 500
1.02 10
0.81 12.5
CW-11-OF 1.5 8 58 11/15. 3/4” 3.5 1600x950x1400 540
1.32 10
1.02 12.5
CW-15-OF 2.4 8 63 15/22 1” 5 1600x950x1400 650
2.12 10
1.61 12.5
CW-18.5-OF 3.1 8 65 18.5/25 1” 6 1600x950x1400 840
2.62 10
2.13 12.5
CW-22-OF 3.5 8 65 22/30 1” 7 1600x950x1400 870
3.13 10
2.61 12.5
CW-30-OF 5 8 66 30/40 1 1/4” 10 1950x1050x1432 980
4.2 10
3.81 12.5
CW-37-OF 6.1 8 67 37/50 1 1/4” 12 1950x1050x1432 1000
5.22 10
4.81 12.5
CW-45-OF 7.3 8 68 45/60 1 1/2” 15 2150x1300x1570 1060
6.13 10
5.65 12.5
CW-55-OF 9.6 8 70 55/75 1 1/2” 18 2150x1300x1570 1250
8.6 10
7.42 12.5
CW-75-OF 12.5 8 73 75/100 1 1/2” 24 2150x1300x1570 1480
11.42 10
9.83 12.5
CW-90-OF 16.3 8 73 90/120 2” 30 2500x1500x1700 2030
14.52 10
12.3 12.5
CW-110-OF 19.4 8 78 110/150 2” 36 2500x1500x1700 2450
16.9 10
15.1 12.5
CW-132-OF 22 8 78 132/175 2” 45 2650x1600x1800 2550
20.18 10
18.12 12.5
CW-160-OF 28.85 8 78 160/200 2 1/2” 53 3300x2200x2000 2710
24.52 10
22.17 12.5
CW-200-OF 36.63 8 78 200/270 3” 65 3300x2200x2000 4100
32.7 10
27.72 12.5
CW-250-OF 42.88 8 78 250/350 3” 80 3300x2200x2000 4500
39 10
34.64 12.5