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Bolted Bonnet Wedge gate Valves

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Bolted Bonnet Wedge gate Valves

Extra Information

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

Description

Description

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 44" 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.
The range also includes a Soft Seated, Double Block and Bleed Design with secondary metal seating for applications where positive sealing on both sides of the wedge is necessary.

Specification Details

    BS EN ISO 10434, API600, ASME B16.34, API591 compliant
    Flanged or butt-weld ends
    Hardfaced seats as standard
    Seal welded seats as standard on commodity range
    Flexible wedge as standard on 6" and larger, 150# & 300#
    Bubble tight shut-off meeting BS EN ISO 12266-1 and API598
    Low emission graphite gland packing
    Castings to ASTM E446 level 3
    Available in a wide range of materials and trim options
    Available in pressure classes 150 - 1500

Optional Features

    Seal welded seats across full range
    Flexible wedge across full range
    Resilient soft seats for positive shut-off (200°C max)
    Double block and bleed option
    Option for actuator (pneumatic, electric)
    By-pass and drain connections
    Bevel gear operation where non-standard
    Indicator and locking devices
    Extension shafts for remote operation