... 94, ANSI5. Test standard: GB/T4213-2008, API598Product introductionHB2416 pneumatic piston 3-eccentric butterfly control(shut-off) valve is independently ... and to realize the tightest shut-off with the smallest torque. SpecificationDN mmDN100-2400mmPNANSI 150, 300,600,JIS10K,20k,30k, ... ,VI, Bubble tightCertificationWorkshop and production equipmentsOfficeCompany mansion HB2416 Pneumatic Butterfly valve