butt hard sealing butterfly valve 




    Characteristic

    1   The three butterfly valve is qualified regarded as top course valve. This design leads to the ideal hard sealing      butterfly valve for high temperature, high pressure and fireproofing.

   2  The face of the valve face has achieved to the non-leak forever due to the jointing structure.

   3  Pipe and heat preservation strap is more convenient and handsome for no flange.

    Main technology parameter:

nominal general dia DN(100~200)mm、in4~48
nominal pressure intension test (1.5*PN) sealing test(1.1*PN)
sealing test -196℃~550℃
suitable medium water, oil, steam, offer heat
jointing standard GB12224、ANSIB16.25、DIN2559
press grade pound grade
drive mode worm wheel running, electric, pneumatic, electric blast shelter etc.

    main material

valve body butterfly board valve base axis cover valve stem packing
GB69920 steel, WCB special material WCB CF8M stainless steel special material stainless steel steel special steel special material flexible graphile

    main dimension of electric and manual welding hard sealing butterfly valve








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