Sempell Model VSE / VSR Safety Valves
Direct spring-operated safety relief valve with DIN flanges, ASME flanges or welding end connections.
Direct spring-operated safety relief valve with DIN flanges, ASME flanges or welding end connections.
Direct spring-operated safety relief valve with DIN flanges, ASME flanges or welding end connections.
FEATURES
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
SPECIFICATIONS
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