主要尺寸：型号公称压力PN（MPa)公称通径DN（mm）主要尺寸（mm）阀体材料简要材料LDD1D2D6z-dbH温度℃介质升降止回阀H41H-25CH41W-25PRH41W-25I2.515130956545-4-141677WCB1Cr18Ni9Ti1Cr18Ni12Mo2Ti纯钛≤425≤100≤100≤150水、蒸汽、油品硝酸类醋酸类氧化性类201501057555-4-141677251601158565-4-1416803218013510078-4-1818854020014511085-4-18189550230160125100-4-182010565290180145120-4-182212080310195160135-8-1822130100350230190160-8-2324140125400270220188-8-2528155150480300250218-8-2530180200600360310278-12-3034215升降止回阀H41H-40CH41W-40PRH41W-40I4.015130956545404-141677WCB1Cr18Ni9Ti1Cr18Ni12Mo2Ti纯钛≤425≤100≤100≤150水、蒸汽、油品硝酸类醋酸类氧化性类201501057555514-141677251601158565584-1416803218013510078664-1818854020014511085764-18189550230160125100884-1820105652901801451201108-1822120803101951601351218-18221301003502301901601508-23241401254002702201881768-25281551504803002502182048-253018020060037530028226012-3038215)