ESP type pneumatic drive pressure relief valve is equipped with STE8 type control unit to ensure the reliability of the main valve, EPRV is designed to provide automatic or manual overpressure protection for steam boilers, suitable for overheating and saturated steam.
 
Features
●The opening and closing pressure difference is small
●The valve can be opened below the set pressure
● Adjust SEP control without changing system pressure
●The valve can check the control function without action
●Use a pressure switch or pressure sensor to transmit system pressure signals
●Compact
●Easy to operate
● Abnormally rugged design for high temperature and high pressure
●With the detachable seat, the seat can be replaced when the valve is online
● Easy replacement of parts, no special process required
●Less consumables, low maintenance costs
 
Technical data
Standard size:
2 1/2″ Inlet & times; 4″ Export
Pressure range:
Up to 350 barg [5000 psig]
Temperature range:
Up to 630°C [1150°F]
Connection:
Flange or Solder
valve body materials A105, A182F22, A182F91, A182F92
Drive:
Pneumatic