HG/T 20592  法兰 WN 65(B)-16 FF S=95=h10Sch50 02n

WN65(B)-16 FF S=95=h10Sch50 02n

wn80(b)-150rf sch�=60 h=10

DN125-PN6 WN RF I

pl250(b)-16 rf b1=268 f1=3RFS=1

WN 2"-150 RF Sch10S

wn 100(b)-16rf sδ0=26 D=130 K=105 S=18D

wn100-1500RJRFh40sB/00b)-10rf00-f/L14rfRFRF

SO 2"-150 RF1200-0.25/6