Direct-driven screw air compressor Direct drive transmission - The best transmission mode of air compressor

Direct-driven screw air compressor Direct drive transmission - The best transmission mode of air compressor
: http://factory-compressor.com/1-2-7-oil-injected-rotary-screw-compressor.html
Characteristics of Direct Drive Screw Air Compressor
  • Features easy installation, operation and maintenance, high corrosion resistance, and oil pollution prevention;
  • Ensures improved efficiency and energy saving due to the compact structure and high transmission efficiency;
  • With accurate transmission, the damping vibration isolating characteristic effectively eliminates the vibration and impact caused by the air end.
  • The operation cost of the direct drive screw compressor is higher than the one with belt transmission.
Benefits of Direct Drive
  • Efficiency
    The gear driven efficiency can reach up to 98%-99%, and the belt driven efficiency is 94%-98%.
  • No-load Power Consumption
    For gear transmission, the no-load pressure is generally maintained at more than 2.5bar. For direct drive and belt drive, the no-load pressure can theoretically be 0 bar. In order for high operation safety, the pressure should be maintained at 0.5 bar.
  • Installed Air Compressor Pressure Change
    Customers are allowed to easily change the installed air compressor pressure according to the actual production requirements.
  • Maintenance and Repair Cost
    It is easy to change the seal of the direct drive, only need to replace the coupling, saving maintenance and repair costs.
Model Power kw Air Displacement m³/min Pressure MPa Dimensions
(L×W×H) mm		 Weight Kg Speed
RPM		 Noise Level dB (A) Air Outlet Size
JF-10AZ 7.5 1.2 0.7 1000x700x830 210 1470 65 ±2 G½"
1.1 0.8
JF-15AZ 11 1.8 0.7 1050x750x1000 380 2920 67 ±2 G¾"
1.7 0.8
JF-20AZ 15 2.4 0.7 1050x750x1000 400 2920 67 ±2 G¾"
2.3 0.8
1.8 1
1.7 1.2
JF-25AZ 18.5 3.2 0.7 1380x850x1160 510 2940 69 ±2 G1"
3 0.8
2.6 1
2.5 1.2
JF-30AZ 22 3.8 0.7 1380x850x1160 520 2940 70 ±2 G1"
3.6 0.8
3.1 1
2.9 1.2
JF-40AZ 30 5.2 0.7 1380x850x1160 610 2950 72 ±2 G1"
5 0.8
4.2 1
4 1.2
JF-50AZ 37 6.7 0.7 1500x1000x1320 750 2950 72±2 G1½"
6.2 0.8
5.2 1
5 1.2
JF-60AZ 45 7.4 0.7 1500x1000x1320 760 2950 74 ±2 G1½"
7 0.8
6.3 1
6 1.2
JF-75AZ 55 10 0.7 1900x1250x1600 1200 2970 76 ±2 G2"
9.6 0.8
8 1
7.6 1.2
JF-100AZ 75 13 0.7 2000x1250x1670 1350 2970 76 ±2 G2"
12.6 0.8
11 1
10.5 1.2
JF-120AZ 90 16 0.7 2000x1250x1670 1570 2970 78 ±2 G2"
15 0.8
13 1
12.5 1.2
JF-150AZ 110 21 0.7 2500x1470x1840 2150 2970 78 ±2 G2½"
19.8 0.8
17 1
16.4 1.2
Model Power kw Air Displacement m³/min Pressure MPa Dimensions
(L×W×H) mm		 Weight Kg Speed
RPM		 Noise Level dB(A) Air Outlet Size
JF-175AZ 132 24.5 0.7 2500x1470x1840 2190 2970 78 ±2 G2½"
23.2 0.8
20 1
19.4 1.2
JF-200AZ 160 28.7 0.7 3000x1700x1840 2650 2970 81 ±2 G2½"
27.6 0.8
23.5 1
22.8 1.2
JF-250AZ 185 32 0.7 3000x1700x1840 2720 2975 81 ±2 G2½"
30.4 0.8
27.4 1
26.8 1.2
JF-270AZ 200 34.2 0.7 3200x1980x2150 4150 2975 83 ±2 G3"/DN100
33.3 0.8
30 1
29.2 1.2
JF-300AZ 220 34.3 0.8 3200x1980x2150 4150 2975 84 ±2 G3"/DN100
30 1
29.2 1.2
JF-350AZ 250 42 0.7 3200x1980x2150 4500 2980 84 ±2 G3"/DN100
40.5 0.8
36.2 1
35.5 1.2
JF-430AZ 315 51 0.7 3650x1980x2150 2980 86 ±2 DN110
50.2 0.8
41.5 1
40.5 1.2
JF-480AZ 355 65.2 0.7 3650x1980 x215C 2980 88 ±2 DN125
62 0.8 1
54.5 1
46.8 1.2
F-540WZ 400 73.5 0.7 3200x1980x2150 2980 88 ±2 DN150
72 0.8
63.1 1
54.2 1.2
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