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      1. The standard of full welded ball valve 2

        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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