HG/T 20592  法兰 PL 350(B)-25 RF b=0 f

pl350b)-25RF b=0 f

PL 50(B)-40 RF0=12RFSfC

WN20(B)-150 RF S=3

WN 150(B)-100 RF S=10

WN100-300 RF B=96

PL40-10RF

TH1-150RF

PL 300(B)-10 RF

WN 4"-150 RF Sch160

SO 350-150 RF0/data/data0 RF�Б√▓.6-5040-0002024I/36t5 m s/0=16RFC0S so32(b)-16rf