Radial Piston Pump

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Radial piston pumps are a type of hydraulic piston pump. The piston in radial piston pumps extends in a radial direction symmetrically around the shaft, making it different from the axial piston pump, which has axially rotating pistons.

Radial piston pumps arrange a series of pistons radially in a cylindrical block around a rotor hub. The block consists of a pintle, a cylinder barrel with pistons, and a roto; The pintle directs the fluid in and out of the cylinder. The rotor mounted in the pump housing forces the pistons in and out of the cylinders as it rotates, which causes hydraulic fluid to be sucked into the cylinder cavity and discharged from it. Inlets and outlets for the pump are located in a valve in a central hub. Each piston is connected to the inlet port when it starts extending, while it is connected to the outlet port when it begins retracting.

Features

Suitable for engineering machinery, construction machinery, etc.
High pressure, small internal leakage, low noise, stable and reliable performance
A pressure range of 21 to 70 MPa

Technical Parameters

Specifications	80L	H80L	80M	H80M	80H	H80H	20L	H20L	20H	H20H	E055	HE055
Nominal pressure (MPa)	14	42	21	42	14	42	21	42	21	42	21	21
Max. pressure (MPa)	21	70	35	70	21	70	35	70	35	70	35	35
Max. flow at no load condition (L/min)	20.4	20.4	11.7	11.7	6.2	6.2	4.7	4.7	2.9	2.9	1.1	1.1
Max. speed (rpm)	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800

Applications

Crane
Tunnel Boring Machine (TBM)