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K2CY Gear Pump

K2CY  Gear Pump (oil pump)

It applies to delivering non-corrosive lubricating-oil or equivalent liquid without solid particles and fibers at temperature below 80º C and with the viscosity of 5× 10-6~1.5× 10-3m2/S(5-1500cSt).


1. The oil gear pump can give performance as transfer pump or booster pump in oil delivery system

2. The oil gear pump be used as fuel pump for delivery, pressurization and injection in fuel supply system.

3. The oil gear pump can be also applied as hydraulic pump supplying hydraulic power in hydraulic system and in all industry fields as lubricating pump. 

Design and features

KCB, 2CY series external gear pumps are mainly composed of gears, axles pump body, pump, cap safety valve and axle-end seals etc. The heattreated gears have the advantage of higher hardness and intensity, and rotate with the axles inside the replaceable bearing sleeves. All of pump's parts can be lubricated by delivered medium when working.

The oil pump is properly designed with leakage and return chute, which lets the gears bear the least torque force and reduces load and wear on bearings bear the least torque force and reduces load and wear on bearings in order to raise gear pump's efficiency.


Working Principle:

Double Gears

Main applications:



Electric motor, diesel motor.

Power Specs:

380/415 V 3phase; 220/240 V 1phase;50hz/60hz

Max. permissible fluid temperature:


Type of connection:

Flange, Thread, Quick Coupled.

Installation position:


Casing/Inner parts material:

Cast iron, Stainless Steel/Cast iron, Stainless steel, Bronze

Shaft seal type:

Shaft seal ring; Mechanical seal; Packing Seal

Free passage:

00 mm

Maximum viscosity:


Maximum drive rating:

75 kW (100hp)

Maximum caliber:

6 inch(150mm)

Maximum discharge-side pressure:

2.5mpa (25bar)

Flow rate range:

1.1-150 m3/h (18.3-2500l/m)




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