... .High efficiency and long life 2.Strength,High pressure 3.Low noise,low pulsation 4.Displacement: 40~100ml/r Hydraullic gear pump BAP3 ... casting alluminum bushes,and DU slide bearing,all these keep low pulsation,low noise and long life.Full option of shafts,flanges and ... %):The United States, Canada, Mexico, Argentina, Brazil Group 3.5 Low Noise and High Pressure Hydraulic Pump for Heary Industrial