Wafer Butterfly Valve Triple Eccentric Metal Seat

China wafer butterfly valve

Standards1.Design and manufacture:API 609, DIN33542.Inspection and test: API 598,DIN3230,BS51463.Face-to-Face:API609, DIN3202 K24.Flanged Ends: ASME B16.5 (for NPS API605, ASME B16.47 series A, MSS SP-44 (for NPS>24″), or BSEN 10925.Top flange: ISO5211Features The valve is of high performance.. The double eccentric design minimize the abrasion on valve seat.Adjustable mechnical stopper on valve body make it available to close the disc tightly.The shaft is fully blowout proof and guided by self lubricated bush bearing