Sempell SOH High Pressure Steam Safety Valve

Sempell SOH High Pressure Steam Safety Valve

Sempell™ SOH is a high pressure safety valve for boiler protection. With flanges or welding ends. Open bonnet and supplementary loading for tightness up to set pressure. DN40-250, PN10-320, set pressure 10-320 bar.

Any questions?

Anders Praem
Inside Sales Engineer
Phone. 2137 7759

Frank Kirk Hansen
Area Account Manager West
Phone. 4053 6511

Slawka Pedersen
Inside Sales Manager
Phone. 2137 7702

Size Inlet DN 40 – DN 250 NPS 1 ½-NPS 10 Nm3/h
Temperature Range Up to +700 °C / +1300 °F
Diameter Inlet DN 80 – 300 / 3" – 12"
Set Pressure 10 – 320 bar
Design Open bonnet, balanced piston, pneumatically assisted
Orifice Diameter 17,5 – 160 mm
Body Material 1.0460/SA105
1.0619/SA216 WCB
1.7335/SA182 F12
1.7357/SA217 WC6
1.7380/SA18 F22
1.7379/SA217 WC9
1.4903/SA182 F91
1.4901/SA182 F92
Other materials available on request
Accessories Position indicator
  • High tightness up to set pressure due to supplementary load
  • Smooth operation (no forces by popping)
  • Rigid body design
  • Self-aligning spring assembly
  • Low friction, spring compression
  • Mechanical lift stop ensures functional stability
  • Locking for hydrostatic test without additional parts
  • High allowable back pressure

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