HG/T 20592  法兰盖 BL 150-100 RF

LWN 2"-900 RF Sch160 RF

BL 150-100 RF

BI 55001.0RF80M22rrf1

PL 125(B)-6 RF

PL 150(B)-40 RF

LJ 1 1/2"-150 RFch80535/C-RF100-1.è500-

1 RF 400-1.0 δs=5

WN 6"-300 RF S=6

WN 300-150 RF

SO 25(B)-16 RFLFM Sch40Sb1A5 c=50 RFH=4 S=8592-2009.0