YX&YXW valve is a pilot-operated unloading valve. Its function is to switch two states in hydraulic system, by adjusting handle to set the working pressure or unloading pressure. Pump will be unloading automatically by controlling electrical magnetic.
Explaination: 1. Item 1), 2), 3), 4), 5) is used in YXW solenoids relief valves 2. Item 2) damping is fixed at the B oil port of the solenoids directional valves Unloading relief valve