... 1.6MPa 3)ISO CE 4)Factory built in 1997 Extension Rod Butterfly Valve:1) 1.5"~48"2)PN1 ... 16.10Brief Introduction:Butterfly valve is mainly consisted of body, stem, disc, seat and driver(lever, gearbox, pneumatic and ... , Metallurgy, Paper making industry, Food, BeverageDetail Specification:Extension bar butterfly valve, long stem extension bar wafer butterfly valve: SizeDN40-DN1200End flangeANSI B ...