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Bolted Cover Swing Check Valves

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Bolted Cover Swing Check Valves

Bolted Cover Swing Check Valves

Extra Information

The core ranges are class:
150, 300, 600, 900 & 1500



The core ranges are class 150, 300, 600, 900 & 1500 in flanged and butt-weld end designs meeting the requirements of ASME, API and British Standards. The size range includes up to 18” bore (larger sizes available on request). These products are also available in the following materials:-

    Low Temperature carbon and alloy steels ASTM A352 Gr. LCB, LCC, LC2, LC3
    Alloy Steels ASTM A217 Gr. WC1, WC6, WC9, C5, C12 & C12A
    Stainless Steels ASTM A351 Gr. CF8M, CF3M, CF8, CF3, & CF8C

Together with the necessary variety of trim options

Specification Details

    BS1868, API6D regular opening, ASME B16.34
    Flanged or butt-weld ends
    Hardfaced seat as standard
    Seal welded seat as standard on commodity range
    Low pressure drop design
    Non-rotating disc
    Special hinge pin plug design having a graphite secondary plug seal ensuring non-wetted threads
    Suitable for horizontal or vertically upwards flow
    Castings to ASTM E446 level 3
    Available in a wide range of materials and trim options
    Available in pressure classes 150 - 1500

Optional Features

    Outside lever and weight arrangement
    Attachment for locking valve in fully open and/or fully closed positions
    By-pass and drain connections
    Damping devices