Turbine drive full bore 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 by a l entity structure end
    The L mirror polished stainless steel ball to test
    L pre load spring cushion to ensure low temperature leak tight and reducing the valve operating torsion
    According to the international standard L against burst valve stem
    L stem dry automatic lubrication bearing capacity and metal with PTEF coating,without additional lubricant
    L floating or fixed ball valve
    Feature selection: (on request)
    L rescue seat
    L vertical device and stem extension
    L special port and path
    L antistatic device
    L stem can emergency treatment of oil and fat
    L valve lubricant and sealant of emergency equipment
    L metal to metal seating
    L double block and bleed
    L double piston action valve
    Fire safety design of L with graphite gasket
    Plastic polymers to seal l seat
    The safety valve for the L cavity
    L ball and stem of electroless nickel plating
    Material:
    L valve: carbon steel ST37, A106-B, STPG 370, A105, ASTM A516-60, A216-WCB or equivalent. Stainless steel 304 or 316 (to choose)
    The L sphere: stainless steel 304 or 316 level
    L seat: metal valve seat with polymer sealing ring, PTFE, RTFE, Viton, Nylon, Peeketc..

    				
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