YW Relief valve

The relied valve is a pressure control valve. It maintains constant pressure at inlet by discharging excess fluid in the system. Solenoids relief valve is a combination on of electromagnetic directional valve and pilot-operated pressure relief valve, it is used to control or unload multi-stage pressure in hydraulic system.

1. Item 1),2),3),4),5) is used in YW solenoid relief valves

2. Item 2) damping is fixed at port B of solenoid directional valves

3. 6) Type U characteristic refer to the curve