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