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Gear Pumps

Product categories of Gear Pumps, we are specialized manufacturers from China, Hydraulic Gear Pump, Gear Pump suppliers/factory, wholesale high-quality products of High Pressure Gear Pump R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!

PTO Pump


Log Splitter Pump


Caterpillar Pump


Constant Flow Gear Pump


Steering Pump


Lifting Pump


Priority Pump


CAT Pump


Tandem Pump


Triple Pump

Gear Pumps (with external teeth) (fixed displacement) are simple and economical pumps. The swept volume or displacement of gear pumps for hydraulics will be between about 1 to 200 millilitres. They have the lowest volumetric efficiency of all three basic pump types (gear, vane and piston pumps)[1] These pumps create pressure through the meshing of the gear teeth, which forces fluid around the gears to pressurize the outlet side. Some gear pumps can be quite noisy, compared to other types, but modern gear pumps are highly reliable and much quieter than older models. This is in part due to designs incorporating split gears, helical gear teeth and higher precision/quality tooth profiles that mesh and unmesh more smoothly, reducing pressure ripple and related detrimental problems. Another positive attribute of the Gear Pump, is that catastrophic breakdown is a lot less common than in most other types of hydraulic pumps. This is because the gears gradually wear down the housing and/or main bushings, reducing the volumetric efficiency of the pump gradually until it is all but useless. This often happens long before wear and causes the unit to seize or break down.

GRH offers you pump flow volume from 0.16cc to 200cc, both aluminum and cast iron pump.

we appreciate detailed enquiries from your side.

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