Hydraulic Pilot Valve SH200 HD250 Pilot Relief Valve for Construction Machinery Excavator
SH200 HD250 Pilot Relief Valve Pictures show :
The working principle of Relief Valve:
Otherwise the pressure may increase and lead to process failure, instrument or equipment failure or fire.To relieve pressure by allowing pressurized fluid to flow out of the system through an auxiliary channel.
The relief valve is designed or set to open at predetermined set pressures to protect pressure vessels and other equipment from pressures exceeding their design limits.