TÜV type tested Control Unit to operate spring loaded safety valves as Controlled Safety Pressure Relief Sytems (CSPRS) acc.
EN ISO 4126-5
Sempell Model STE5 Pneumatic Control Unit

Specs

Ambient Temperature:
Max. 60 °C
Compressed Air Supply:
4 bar min., 8 bar max.
Air Consumption:
During normal operation: 0,08 mN?/h
Quality of Compressed Air:
Filtered and dried; due point temperature at least 10°C lower than ambient temperature
Type of Enclosure:
IP 66
Weight:
48kg
Others:
Other versions available on request

Features

  • High tightness up to set pressure due to supplementary load
  • Small opening and closing pressure differences
  • 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)
  • No electrical energy supply necessary
  • Ideally suitable for explosion Protection
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