Sempell Serie VSE/VSR Safety valves

Sempell Serie VSE/VSR Safety valves

Sempell™ Serie VSE is a direct spring-loaded safety valve with DIN or ASME flanges, weld ends. Inlet DN25-200, PN10-500, set pressure 0,5-500 bar. With open, closed bonnet or with bellows. Material depending on application. Optional with cooling spacer, balanced piston, lifting lever, adjustment ring etc. Can be supplied with supplementary loading for tightness up to set pressure.

Any questions?

Elsa Mehto
Inside Sales Engineer Nuclear
Phone. 0207 416 203
Mob. 0400 818 441

Elsa.Mehto@askalon.fi

Risto Wallin
Country Manager Askalon, Finland
Phone. 0207 416 209
Mob. 0400 448 248

Risto.Wallin@askalon.fi

Size: DN 25 – DN 200
NPS 1” – NPS 8”
Pressure Rating: PN 10 – PN 500
class 150 – class 2500
Temperature: -196°C to +600 °C
–300 °F to +1100 °F 
Set Pressure: 0.5 –500 bar
Design: VSE1 open bonnet
VSE2 conventional
VSE4 weight loaded for small pressures
VSE5 balanced bellows
VSR with adjustable blowdown
Body Material: 1.0619/SA216 WCB
1.7357/SA217 WC6
1.4308/SA351 CF8
1.4581/SA351 CF8MC
1.6220/SA352 LCC
Other materials available on request
Accessories: Cooling spaces, balance piston, lifting lever, test gag, position indicator, soft seat
  • Fully flexible connections: DIN and ASME flanges, threaded, welding ends
  • Pop action
  • Mechanical lift stop ensures functional stability
  • High allowable back pressure
  • Available with actuator for use as pneumatic operated safety valve
  • One–piece spindle design

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