... Body WCB,CF8,CF8M,316L DiscWCB,CF8,CF8MStem310S,304,316LPackingPTFE, graphite Sealing ring CGM,316LFluid temperatureHigh temp. 1200~+450°CHigh temp ... equal percentageRange ability100:1LeakageANSI Class 5, 6, Bubble tightCerfificationWorkshop and equipmentsOfficeCompany Mansion HB2416 Batterfly valve can control and shut-off for instrument and control