In-Tank Emergency Shut-off Valves (TESO)
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. 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.
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.
SchuF in-tank valve Model 73BH and Model 73ID achieve the API 625 Standard, designed and installed to prevent gas leakage and any nozzle penetration resulting from external pipe strain.
Key Advantages of SchuF Tank Valve
- Valve design that guarentees 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”
In-tank Valve 73BH installation
In-tank Valve 73BH
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