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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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