NB/T 47022  法兰 RF 550-1.0/20δ1=10

2 RF 550-1.020δ1=10

SO20(B)-16RF50F50-4

B WN400-16 RF625 K=90 L=18 d=7002FSR=6

WN10-16FF T21 f1=3 d=156/f016FMh0(b)-1

PL25(B)-16 RF

法兰PL250(B)-16RF3=140 fm0-

wn50-900 rj sch

SO350B)-16RF-M800-1=3 RJ0 RFF0(b)-6rfRF.L

wn400-40 fm RFh70553400

BL25-