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Fixed Speed Compressor

Fixed Speed Screw Air Compressor

Model OPP-10F OPP-15F OPP-20F OPP-30F OPP-40F OPP-50F OPP-60F OPP-75F
Power (kw) 7.5 11 15 22 30 37 45 55
Horsepower (hp) 10 15 20 30 40 50 60 75
Air displacement/
Working pressure
(M³/Min. / bar)
1.2 / 7 1.6 / 7 2.5 / 7 3.8 / 7 5.3 / 7 6.8 / 7 7.4 / 7 10.0 / 7
1.1 / 8 1.5/8 2.3/8 3.6 / 8 5.0 / 8 6.2 / 8 7.0 / 8 9.2 / 8
0.9 / 10 1.3 / 10 2.1 / 10 3.2 / 10 4.5 / 10 5.6 / 10 6.2 / 10 8.5 / 10
0.8 / 12 1.1 / 12 1.9 / 12 2.7 / 12 4.0 / 12 5.0 / 12 5.6 / 12 7.6 / 12
Air out
let diameter
DN20 DN25 DN25 DN25 DN40 DN40 DN40 DN50
Lubricating oil volume (L) 10 16 16 18 30 30 30 65
Noise level dB(A) 60±2 62±2 62±2 64±2 66±2 66±2 66±2 68±2
Driven method Direct driven
Type Fixed Speed
Start method Υ-Δ
Length (mm) 950 1150 1150 1350 1500 1500 1500 1900
Width (mm) 670 820 820 920 1020 1020 1020 1260
Height (mm) 1030 1130 1130 1230 1310 1310 1310 1600
Weight (kg) 250 400 400 550 700 750 800 1750
Model OPP-100F OPP-125F OPP-150F OPP-175F OPP-200F OPP-275F OPP-350F
Power (kw) 75.0 90 110 132 160 200 250
Horsepower (hp) 100 125 150 175 200 275 350
Air displacement/
Working pressure
(M³/Min. / bar)
13.4 / 7 16.2 / 7 21.0 / 7 24.5 / 7 32.4 / 7 38.2 / 7 45.5 / 7
12.6 / 8 15.0 / 8 19.8 / 8 23.2 / 8 30.2 / 8 36.9 / 8 43 / 8
11.2 / 10 13.8 / 10 17.4 / 10 20.5 / 10 26.9 / 10 33/ / 10 38.9 / 10
10.0 / 12 12.3 / 12 14.8 / 12 17.4 / 12 23 / 12 28.5 / 12 36 / 12
Air out
let diameter
DN50 DN50 DN65 DN65 DN75 DN90 DN90
Lubricating oil volume (L) 65 72 90 90 110 130 150
Noise level dB(A) 68±2 70±2 70±2 70±2 75±2 85±2 85±2
Driven method Direct driven
Type Fixed Speed
Start method Υ-Δ
Length (mm) 1900 2450 2450 2450 2760 2760 2760
Width (mm) 1260 1660 1660 1660 1800 1800 1800
Height (mm) 1600 1700 1700 1700 2100 2100 2100
Weight (kg) 1850 1950 2200 2500 2800 3100 3500

Product description

Fixed Speed screw air compressor can do: 7.5kw-250kw, 10hp-350hp, 7bar-16bar.
1. High reliability, few parts and no wearing parts, so it runs reliably and has a long service life. Generally, the design life of the main screw machine head is 15-20 years.
2. It is easy to operate and maintain, with a high degree of automation, and operators do not need to undergo long-term professional training to achieve unattended operation.
3. The power balance is good, there is no unbalanced inertial force, the machine can work smoothly at high speed, and realize the operation without foundation.
4. Strong adaptability, with the characteristics of forced gas transmission, the volume flow is almost not affected by the exhaust pressure, and it can maintain high efficiency in a wide range of working conditions. It is suitable for a variety of working conditions, so it is easy to finalize mass production.
5. In multi-phase mixed transmission, there is actually a gap between the rotor tooth surfaces, so it can withstand liquid impact, and can pressurize liquid-containing gas, dust-containing gas, easy-to-polymerize gas, etc.
Connecting air storage tanks, refrigerated dryers, and precision filters can provide customers with high-quality air. Because of its high cost performance, it is widely used in: petroleum, chemical, metallurgy, electric power, machinery, light industry, textiles, automobile manufacturing, electronics , food, medicine, biochemical, national defense, scientific research and other industries and departments

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