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  • The standard of full welded ball valve A

    Dateline:2014-11-30    Hits:

    Size: full size & standard size DN15-DN1400 1/2 "American Standard ~ 56"

    Pressure rating: PN 16 ~ 420, ANSI Class 150 ~2500

    Working temperature: -29 degrees C (-20 degrees F) ~ +200 degrees C (392 degrees F)

    To adapt to the media: heating pipeline, LNG / liquefied petroleum gas, petrochemical,steel mills, oil / gas etc.

    Mode of operation: the handle, gear (vertical / horizontal), electric

    Standard features:

    Integrated structure: Welding & flange end

    The sphere mirror polishing material F304

    Butterfly pad spring to ensure no leakage and reduce the high temperature and high pressure valve operating torsion

    According to the international standard valve stem anti blow out

    Stem bearing material: automatic lubricating ability of alloy +PTEF coating, without additional lubricant

    A floating or fixed ball valve

    Feature selection: (on request)

    Self rescue seat

    Vertical device and stem extension

    Special port and path

    Antistatic device

    The stem can emergency treatment of oil and fat

    Valve lubricant and sealant of emergency equipment

    Seal metal to metal seating

    Double block and bleed

    Double piston effect of valve seat

    Fire safety design with graphite gasket

    Use a plastic polymer sealing valve seat

    Safety valve body cavity

    Ball and stem of electroless nickel plating

    Material:

    Body: carbon steel ST37, A106-B, STPG 370, A105, ASTM A516-60, A216-WCB or equivalent. Stainless steel 304 or 316 (to choose)

    Sphere: stainless steel 304 or 316 level seat: metal valve seat with polymer sealing ring, PTFE, RTFE, Viton, Nylon, Peek etc..


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