HG/T 20592  法兰 PL 200(B)-16 RFFFh-16RF.5150 RF S

pl 200(B)-16 rfFFh-16RF.5150 RF S

WN 150-150 RF Sch10S00๏�2g100200-1.6/84R

LF/SE 80-150 RF S=4

B WN 60"-150 RF B=12.5F3F S=61

SO 3/4"-150 RF

WN 25-16 RF

WN 8"-300 RF Sch160

WN 250(B)-25 RF S=16

BL50-25RF

WN25-63RF4h80sRГӮВӯ800h