25 hp 18.5kw competitive price compressor Belt drive air compressor direct drive

25 hp 18.5kw competitive price compressor Belt drive air compressor direct drive

In the belt drive mode, the theoretical no-load pressure can be zero, and the rotor sucks in oil enough to lubricate the rotor and the bearing. Generally, for safety reasons, the pressure is maintained at about 0.5 bar. The belt screw air compressor compressor has higher requirements on the bearings of the motor and the head. Belt screw air compressor compressors have lower production costs and are generally only used for small compressors and economical compressors.
Power    (KW) 18.5

Voltage  (V/Hz) 380/50

Protection grade IP54

Insulation grade F

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Belt screw air compressor advantage

  • long life

The compressor main engine is operated with a large rotor at a low speed, has a long service life, and adopts an asymmetric screw tooth shape, and is optimized by designing the end face profile of the twin-screw female rotor and the male rotor, and the screw rotor. Optimization in diameter and length reduces fluid power loss and noise reduction, and the host’s volume utilization efficiency is higher

  • The overall design of the air compressor is compact, well-configured and stable.

Our air compressor is compact in design and simple in appearance, which greatly reduces the space occupancy.

  • Use belt drive for low noise

Fully enclosed silent box design, using high-efficiency sound insulation board, the overall structure layout uses the principle of sound, which greatly controls the noise generated in the work.

  • Easy to operate and maintain

Detachable bellows air outlet, which is more convenient and labor-saving, whether it is normal cleaning or regular maintenance.

  • Low no-load energy consumption

Our air compressor realizes step-less adjustment of high energy-saving exhaust volume. When the gas consumption is reduced, the exhaust volume of the machine will also decrease, the amount of the same gas will increase, and the displacement of the machine will increase accordingly. An optimal state of high energy efficiency.

25 hp 18.5kw competitive price compressor Belt drive air compressor direct drive

Belt screw air compressor features

  1. Air compressor original large rotor noise reduction host system

2, three-phase asynchronous motor, Class F insulation, Class B heating

3, using intelligent control system

4, the use of disc and fully closed intake valve, can achieve automatic energy-saving adjustment control

5, multiple separation effect, external oil, easy to replace

6, using a new scheme of fast hard steel pipe connection, flexible connection technology, pipeline anti-shrinkage, expansion, anti-vibration

7, large cooler, cooling effect is faster, not connected to the cooling fan, easy to clean and maintain

8, the upper exhaust design, the use of hot exhaust system, excellent heat dissipation

Belt Screw air compressor Technical Parameter

Model JNB-25A
Cooling method Air-cooling
Pressure (Mpa) 0.7/0.8/1.0/1.2
Air delivery (m3/min) 3.22/3.01/2.52/2.30
Motor Power    (KW) 18.5
Speed    (rpm) 3800
Start method Y-Δ
Voltage  (V/Hz) 380/50
Protection grade IP54
Insulation grade F
Driven type Belt
Noise                (dBA) 63
Gas oil content      (ppm) ≤3
Outlet temperature   (℃) ≤Ambient temperature +15
Control type of exhaust volume Intake accommodation control
Setting pressure of safety valve   (Mpa) Air compressor exhaust pressure +0.1
Lubricating oil quantity  (L) 15
Lubricating oil brand Jinniu
Size L          (mm) 1350
W         (mm) 875
H          (mm) 1380
Weight                (KG) 620

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