HG/T 20592  法兰盖 BL 100-16 RF12.66RJ S=J S=8RF1/2c0r1240�FF@RF@443 MFG160

20592 bl100-16rf12.66RJ S=J S=8RF1/2c0r1240�FF@RF@443 MFG160

WN250(B)-40T

WN 150(B)-40 RF S=5.5

BI 2600f2101000SOtml80sm0m0-600 RF srf s=05R-1J Sch40S R@0ch8

SO 50(B)-25 RF

WN 50-300 RF Sch160

WN80-150 RF Sch40

DN2000-PN10 WN RF Ⅱ S=12

WN 500-600