Hydraulic emergency shut-off system

Since the earliest days of liquid gas storage, Wärtsilä Tank Control Systems (formerly known as WHESSOE SA) has been at the cutting edge in developing technologies that increase the safety of LNG and LPG storage.

The hydraulic emergency shut-off system for pressurized liquefied gas storage tanks is designed to provide rapid shut down in case of emergency arising from fire or line damage. The system is suitable for LPG, chemicals, and ammonia. Our offering is complete with project management, field service and lifecycle support.

Our emergency shut-off valve systems are installed worldwide to help protect personnel, the environment, equipment, and the product itself.

    Technical data

    The valves come in standard sizes ranging from 2 to 14 inches (DN 50 to 350).

    This range of fail safe, remote operated valves provides rapid shut down in case of emergency or fi re. It is particularly recommended to safeguard storage tanks and loading facilities handling liquefi ed gases and chemicals.

    • Designed according to ASME VIII Div 1 & 2
    • Service temperature range: -45°C to +85°C
    • Maximum working pressure: 30 bar
    • Standard fl ange 300 lbs according to ANSI B16.5
    • Compliant to PED directive 2014/68/EU
    • Fire Safe Design as per ISO 10497:2010 and API 607
    System overview
    Hydraulic emergency shut-off system - product image - System overview

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