Direct Acting Pressure Relief Valve Equivalent of Polyhydron

Model RLT/ RLF, a Direct acting relief valve or Direct acting pressure relief valve, is a type of safety valve used to control or limit the pressure in a system; pressure might otherwise build up and create a process upset, instrument or equipment failure, or fire.The main difference between direct acting and pilot solenoids is that direct-acting solenoid valves have a direct connection with the opening and closing armature, whereas pilot-operated valves employ the use of the process fluid to assist in piloting the operation of the valve.