NB/T 47022  法兰 RF 700-1.(b)-16

2RF700-1.(b)-16

WN 80(B)-6RF S=2 A1h4RFS=5 RFr S=8mlδ=36RF4

c-BL50-25RF-300r10 RF.6/45

WN100-300RF SCH40SC

WN50-150RFSCH10SFS=/ SCh8/ SM ScRF S=1.16.50 rf,s=1

2 RF 500-1.b=4nbsp0-600rj&qRF Sch160R6， Sch40SN

B WN1300-150RF S=4/2960m60he D==6 d/

BL2