hb2416

... :1LeakageANSI ClassIV,V,VI, Bubble tightCertificationWorkshop and production equipmentsOfficeCompany mansion HB2416 Pneumatic Butterfly valve

pneumatic piston 3-eccentric butterfly control valve pneumatic piston 3-eccentric butterfly control valveThe first eccentric “a” of 3-eccentric structure is formed by the axle deviating from the central line of sealing surface. The second eccentric “b” is formed by the axle deviating from the central line of pipeline. The goal of these two eccentrics is to reduce the friction between seat and ...