NB/T 47023  法兰 RF 450-4.0Sch86 RF d=1295 n=32 L

3 RF 450-4.0Sch86 RF d=1295 n=32 L

WN100-16 RF0(b)-6rfatS=≥812.7B)-

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

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