HG/T 20592  法兰盖 BL 80(B)-16 RF2G-

bl80B)-16 RF2G-

WN600-600 RF Sch40

3 M 1200-4.0 δ0=29.5

WN 2"-150 RF Sch80S

bl250b-10RF

BL 2 1/2"-150 RF

WN4"-100 RF SCH80s4J-FF8@R06m386@RF-300FSch�F@F S RJ5.50RFrv

SO 50-150 RF

WN 500(B)-16 RF

WN 700-150 RF S=1048106RF41766F B1108