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                Turbine drive full welded ball valve

                Dateline:2014-11-30    Hits:

                Size: full size & standard size DN50 (2 ") 1400 ~ DN (56")

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

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

                To adapt to the medium: Oil / gas, LNG / LPG gas, petroleum chemical industry, iron and steel plant, heating pipes etc.

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

                Standard features:

                Butt welding & flange for entity structure end

                Mirror polishing the stainless steel ball to test

                The preload spring cushion to ensure low temperature leak tight and reducing thevalve operating torsion

                According to the international standard against burst valve stem

                Stem dry automatic lubrication bearing capacity and metal with 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: the metal seat with polymer sealing ring, PTFE, RTFE, Viton, Nylon, Peek etc..


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