In Tank Shut Off Valve
The primary application of emergency shut off valves is to ensure the safety of storage tanks containing dangerous fluids and gases such as LNG, Chlorine, VCM, VC, Propane, Propylene, or Ammonia.
Quick Request
Questions?
The valves are held open by an air actuator placed on or below the tank. In case of an emergency, the air supply is interupted. A weight or a spring slams the inlying valve shut, securing the tank and its contents.
- Valve design that guarantees safety
- The in-lying valve seal is unaffected by damage to pipework or to the valve itself
- All valves have bellow sealed spindles
- Emergency stuffing box is standard
- Automatic opening by air pressure
- Emergency handwheel and control accessories are available on request
- Required to fulfill API 625 Standard for "Refrigerated liquefied gas storage"
API 625 Standard
API 625 Standard for "Tank Systems for Refrigerated Liquefied Gas Storage"
According to the new API 625 Standard double or full containment tanks require the installation of in-tank valves which are to be automatically activated during a loss of electrical power or due to failure of external piping. Fetterolf in-tank valves achieve the API 625 Standard, designed and installed to prevent gas leakage and any nozzle penetration resulting from external pipe strain.