Inflatable seat butterfly valve

Body: DI,WCB,CF8M,CF3M
Disc: CF8, CF8M, 2507, 1.4462
Seat: EPDM,NBR,FRM
Body style: Flange,wafer,Lug
Nominal diameter: 2″ – 40″ (DN50mm – DN12000mm)
Pneumatic actuator:NO,NC







     

    Category:

    Description

    NO. Part name Material
    1 Body ASTM A536 65-45-12, WCB, CF8M
    2 Disc ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
    3 Seat EPDM,NBR,FRM.PTFE
    4 Stem SS420,SS431
    5 Lower Stem SS420,SS431
    6 Retalner Nylon for DN50-DN300, SS304 for DN350-DN2000
    7 Bearing RPTFE with Graphite on I.D.
    8 Weather seal NBR
    9 Nuts Stainless steel
    10 Plug Steel galvanized for DN50-DN300, Cover plate for
    DN350-DN2000 material same as body with SS304 bolts
    11 Screw SS304

    The butterfly valve is closed and the seat is not sealed


    The butterfly valve is closed and the seat is sealed


    The butterfly valve is open and the valve seat is not sealed