Single internal design, open and close differential pressure fixed safety valve, suitable for air, other gases, steam, other steam, liquid and two-phase fluid. Full nozzle design with optional metal or O-ring seals.
 
Technical data
Size range:
1/2″×1″-2″×2″
Throat diameter area:
0.074-0.503in²[0.477-3.25cm²]
Connection:
NTP, flange, socket welding
Temperature range:
-450- +750°F[-268- +399°C]
Setting pressure:
5-5000 psig[0.34-344.83 barg]
Standard:
ASMEVIII[15 psig and higher]