Mld Industry Technology Co., Ltd.
  • AddressNo. 2558, Juhe 8899 street, Jufuyuan National Development Base, Tongzhou District, Beijing
  • Factory AddressNo. 2558, Juhe 8899 street, Jufuyuan National Development Base, Tongzhou District, Beijing
  • Phone(Working Time)010-60551589
  • Phone(Nonworking Time)010-60551589
  • Fax010-60551589

Hydraulic Pump

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Hydraulic pumps are used in hydraulic drive systems and can be hydrostatic or hydrodynamic. A hydraulic pump is a mechanical source of power that converts mechanical power into hydraulic energy (hydrostatic energy i.e. flow, pressure). It generates flow with enough power to overcome pressure induced by the load at the pump outlet. When a hydraulic pump operates, it creates a vacuum at the pump inlet, which forces liquid from the reservoir into the inlet line to the pump and by mechanical action delivers this liquid to the pump outlet and forces it into the hydraulic system. Hydrostatic pumps are positive displacement pumps while hydrodynamic pumps can be fixed displacement pumps, in which the displacement (flow through the pump per rotation of the pump) cannot be adjusted, or variable displacement pumps, which have a more complicated construction that allows the displacement to be adjusted. Hydrodynamic pumps are more frequent in day-to-day life. Hydrostatic pumps of various types all work on the principle of Pascal's law.


Bearing Number Bore Dia Outer DIa Width Size
K3V112DT-1DFR-9N62-2 R265LC-9S Hydraulic Pump Bearing Steel Insert Bearing Unit No Medium Load
HD820-3 Excavator Parts Main Pump Kato HD820 Hydraulic Pump Square flange shape No Oil Supply Type Cast Iron
31NB-10020 R450LC-7A Hydraulic Main Pump For Excavator 5.42 Hz 1 mm 15 mm 30 mm
Excavator Pump Parts Dealer SK350lc Hydraulic Pump Pillow Type 6 45 With double rubber s
Uchida Rexroth AP2D36 Excavator Main Pump Takeuchi TB070 Hydraulic Pump FL208N- 45.5 mm 144 mm 16mm
IHI 40J 40 Excavator Main Pump IHI 40JX Hydraulic Pump Thrust With Outer Ring Steel 78
R3600-7 Main Pump K3V180DTH-9NOS-A R360-7A Main Pump 22mm 150 mm 113 mm 37 mm
31N6-19060 K3V112DT-17ER-9N5P-L R215-7C Hydraulic Pump 31.85 kN 197.5 mm 18.4 mm 62 mm
Excavator R55LC-7A Main Pump 31M8-10020 R55-7 Hydraulic Pump 11.5 kN 39.1 mm 110 mm 13 mm
Excavator R215LC-7A Hydraulic Pump 31N7-10030 No Double Shielded Metric System No
31Q9-10030 K3V180DT-1RER-9C69-D R335-7 Hydraulic Pump 31Q9-10030 1 pcs Negotiable -
R80 Excavator R80-7 Main Pump AP2D36 R80-7 Hydraulic Pump 19mm 54 mm 30.5 mm 12.8 kN