HG/T 20592  法兰 WN 80(B)-63 M

WN 80(B)-63 M

SW 1 1/2"-150 FF

pl15(b-25rf

DN3000-PN10 WN RF Ⅱ Sch40S

WN 1/2"-900 RF

SO 50-150 RF

pl25b)-6rff060 A3

WN 80(B)-16 RF S=5

PL 450(B)-10 RF

WN 150-900 RJ Sch40S Sch40S40SR R3.5 D=105 WN.00.onS00-150 RF0rfC25ch10S.00 RF Sch40SF