TUV type tested Control Unit to operate spring loaded safety valves as Controlled Safety Pressure Relief Sytems (CSPRS) acc.
EN ISO 4126-5
Sempell SOT High Pressure Steam Safety Valve, Disc Spring
Sempell Model STE4 Electro Pneumatic Control Unit

Specs

Type of current:
50 Hz
Main voltage:
230 V
Power consumption:
60 W
Type of enclosure:
IP 55
Ambient temperature:
–25 °C – +60 °C
Compressed air supply:
2 bar min., 8 bar max.
Air consumption:
No consumption during normal operation
Weight:
78 kg
Other versions available on request

Features

  • High tightness up to set pressure due to supplementary load
  • Small opening and closing pressure differences
  • Blow down widely adjustable
  • High setting accuracy and reproducibility
  • Opening possible even below set pressure
  • Pressure setting of safety valve during normal plant operation
  • Check of the control function without operation of the safety valve
  • With one unit more than one safety valve can be operated
  • In case of failure, the safety valve opens as direct spring valve (fail–safe function)
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