Products

Internal Gear Pump

  1. With radial and axial pressure compensation design, high efficiency, low noise.
  2. Medium flow design:continuous working pressure up to 240kg/cm².
  3. Low guanidine impact, stable pressur, ensure the stability of mechanical operation, long service life.
  4. Suitable for small and medium-size industrial machinery, energy saving and carbon reducing oil pump.

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Model:WNIP2 Unit 013 019 025 032
Displacement cm3/rev 13.3 19.3 25.2 32.5
Continuous working pressure bar 280 250 250 250
The highest pressure.Maximum 15% work cycle of 10 seconds bar 280 280 280
Instantaneous pressure bar 300 280 280 280
Normal speed rpm 80 - 3000 80 - 3000 80 - 3000 80 - 3000
The highest speed rpm 3000 3000 3000 3000
Viscosity range mm²/s 10-3000
Start the visosity mm²/s 2000
Maximum medium temperature °c 80
Minimum medium temperature °c -20
Maximum ambient temperature °c 80
Minimum ambient temperature °c -20
Maximum suction pressure(suction inlet) bar 2 bar absolute atmospheric pressure
Minimum suction pressure(suction inlet) bar 0.8 bar absolute atmospheric pressure(0.6 bar at the start)
Weight kg 4.7 5 5.3 6.1
Fliter grade 150 mesh; Class 20/18/15 due to IS04406
Model:WNIP3 Unit 010 013 019 025 032
Displacement cm3/rev 10.3 13.3 19.3 25.2 32.5
Continuous working pressure bar 280 280 250 250 250
The highest pressure.Maximum 15% work cycle of 10 seconds bar 300 300 280 280 280
Instantaneous pressure bar 300 300 280 280 280
Normal speed
rpm 80 - 3000 80 - 3000 80 - 3000 80 - 3000 80 - 3000
The highest speed
rpm 3000 3000 3000 3000 3000
Viscosity range mm²/s 10-3000
Start the visosity mm²/s 2000
Maximum medium temperature °c 80
Minimum medium temperature °c -20
Maximum ambient temperature °c 80
Minimum ambient temperature
°c -20
Maximum suction pressure(suction inlet) bar 2 bar absolute atmospheric pressure
Minimum suction pressure(suction inlet)
bar 0.8 bar absolute atmospheric pressure(0.6 bar at the start)
Weight kg 4.5 4.6 5.1 5.2 5.4
Fliter grade 150 mesh;Class 20/18/15 due to IS04406
Model:WINIP5 Unit 080 100 125
Displacement
cm3 /rev 80.4

100.5 

125.6
Continuous working pressure
bar 210 210  210
The highest pressure.Maximum 15% work cycle of 10 seconds bar 230  230 230
Instantaneous pressure bar 250 250 250
Normal speed
rpm 80 - 2000 80 - 2000 80 - 2000
The highest speed
rpm 2000 2000 2000
Viscosity range mm²/s 10-300
Start the visosity mm²/s 2000
Maximum medium temperature °c 80
Minimum medium temperature °c -20
Maximum ambient temperature °c 80
Minimum ambient temperature
°c -20
Maximum suction pressure(suction inlet) bar 2 bar absolute atmospheric pressure
Minimum suction pressure(suction inlet) bar 0.8 bar absolute atmospheric pressure(0.6 bar at the start)
Weight kg 16.7 18.5 19
Fliter grade Class 20/18/15 due to IS04406

Model Dimension A (mm) Dimension B (mm) Dimension C (mm) Dimension D (mm) Dimension F (mm) Dimension G (mm) Dimension H (mm)
WMIP213  52  ∅40 M6*11 ∅20 ∅35 M6*11 ∅10
WMIP219 64 ∅55 M8*14 ∅26 ∅40 M8*14 ∅12
WMIP225 76 ∅55 M8*14 ∅26 ∅40 M8*14 ∅12


  1. Series definition
  2. Pump type
  3. Geometric displacement
  4. Shaft end code
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