HG/T 20592  法兰 PL 200-10 FF=.5 RJf6

pl200(a)-10ff=.5 RJf6

SO 100-150 RF S=6

DN125-PN16PL

PL25-16RF

WN 100-150 RF S=6

SO 2"-150 RF

WN 500-300 RF Sch1

TH 24"-150 RFRFSchRSch2sss.5 RJ2hM

WN 350-1500 RF S=11.13 A=339.7

wn100b)-40rf1 S8F80php0 RF.0�…0 RF0s RJj@5c2@RF@443RF@AFF