PN16～45H82HH82Y型升降式止回阀H82F101外形及连接尺寸Mainexternalandconnectingdimensi***公称压力PN(MPa)公称通径DN(mm)尺寸(mm)LL1DOD1162025354040265420366050267420457365295450588980355540721084026542036605026742045736629545058898835554072108)