NB/T 47022  法兰 RF 2600-0.25 δ1=140082

2 RF 2600-0.25 δ1=140082

wn450(a)-10 ff10F-0045Fss-2-150

wn100(b)-16m.200-1.0/rf15

WN 150(B)-63 FM S=10

DN10-PN100 WN RJ Ⅱ

47023 m1000-1.6/60-140

WN 150(B)-25 RF S=11/data

BL 150-25 RF/data

WN 150(B)-63 RF S=10

SO 80-150 RFà0 RF B=742.94252¢آ