Slam Shut-off Valve

At Flowlink Valves & Controls, our safety shut-off valve provides a dependable solution for swiftly blocking gas flow in case of downstream pressure regulator failure, ensuring system safety. The wear-resistant trim enables a tight shut-off, maintaining a secure seal throughout its long service life. Designed for easy maintenance, internal components can be replaced without removing the valve body from the pipeline. A manual reset lever ensures the system is assessed before gas flow is restored, while built-in pressure equalization eliminates the need for a bypass. The valve includes a local position indicator and can be equipped with remote signal devices. It complies with PED/97/12/EC and EN 14382 standards, ensuring maximum safety in critical applications.

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Technical Specifications

  • Body Size & Connections:
    Flanged Sizes: 1″, 1½”, 2″, 3″, 4″, 6″
    Flange Standard: ANSI B16.5
    Flange Class Ratings: Class 150 & 300 (Higher ratings available upon request)
    Accuracy Class (AC): Up to 1.0 (according to EN 14382)
  • Response Time:
    Less than 1 second
  • Allowable Line Pressure:
    ANSI 150#: Maximum 19.0 Barg
    ANSI 300#: Maximum 48.0 Barg
    ANSI 600#: Maximum 98.0 Barg
  • Maximum Flow Capacities:
    The capacity calculation should be referred to determine the maximum flow capacities of the specific valve.
  • Temperature Capabilities:
    -20°C to 60°C (extended temperature ranges can be available upon request)
  • Pressure Setting Adjustment:
    The pressure setting can be adjusted within a spring range by turning the adjusting screw of the pilot.
  • Pressure Registration:
    The pressure registration is external and is taken from the downstream control line.

               APPLICATION AREA

  • Chemical equipment and piping
  • Air/gas compressors and pumps
  • Cryogenic systems and oxygen
  • Technical gases and CO2 plants
  • LPG/LNG terminals, carriers etc.
  • Furnaces
  • Process Industry

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