Unloading Relief Valve

YX/YXW valve is a pilot-operated unloading valve. Its function is to switch two situations in hydraulic system, by adjusting handle to set the working pressure or unloading pressure. Pump will be unloading automatically by controlling electrical magnetic.

Product Introduction of Unloading Relief Valve


Technical specification

03 06 10
Max. Working pressure (MPa)
Max. Flow (L/min)
10% 40 80 120
7% 60 120 240
Working fluid
Mineral oil; phosphate-ester
Fluid temp. (°C)
Viscosity (mm2/s)
Working press (MPa)
5         10         20         31.5
The maximum allowable cleanliness of the oil should be according to 9th degree of Standard NAS 1638. It is suggested that the minimum filter rating should be β10≥75.


See more...