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    3/4" Nabic 542 Safety Valve Set @ 2.5 Bar

    Manufacturer: Nabic
    SBS SKU: NAB54202025
    Availability: In stock

    The NABIC Fig 542 is an extremely versatile valve and although designed primarily for the protection of hot water boilers, its wide range of applications make it an ideal general purpose safety valve.

    All wetted parts are manufactured from dezincification resistance materials. Designed and tested to BS EN ISO 4126 -1. 

    • High degree of seat tightness

    • Diaphragm protected parts

    • WRAS Approved:

      • DN15-25: 1 bar - 10.5 bar

      • DN32-80: 0.3 bar - 10.5 bar

    Pipe Connections

    Threaded female inlet and outlet connections. inlet and outlet connections are of equal size. Threaded connections are Rp (BSP) parallel to BS EN 10226-1 NPT connections are available upon request.


    All valves are shell and seat tested (to confirm set pressure) before leaving the factory and all valves are supplied pre-set with a tamper proof seal. Pressure Test Certificate and Letters of Conformity available on request.

    Product Extras

    • Available with Viton seat design

    • Padlock available

    • Pressure setting locked and sealed

    • Drain plug fitted on sizes DN40 and above allows fitting of a pressure gauge

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