HG/T 20592  法兰 PL 250-25 G HG@H82npampS

PL250(A)-25G HG@H82npampS

WN 20-150 RF»-1=65

WN 3"-150 RF Sch40S40SSch40S00

PL 250(B)-25 RF

BL 20-300 RF

WN600-300 RF Sch30

LWN 25-150 RF

SO50-300 RF SCH40S

WN150-63 RF S=10

SO 300(B)-16 RFÃÂ026l1.-10 RF L@0@05001c f3M Sch00.5s H=214F6m3