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..

    				 
				
			
    
		
    

    



    


    手機網(wǎng)站