NB/T 47022  法兰 RF 1200-0.25 RJch4

47022 RF1200-0.25 RJch4

wn 40(b)-16 rf s=3

WN 40(B)-16 RF S=3

1 CRF 500-1.0 δs=10

SO 8"-300 RF

WN 1000(B)-16 RF

BL 125-2500 RF

LWN 20-150 RF Sch40FSfm2rf0- S

WN 150-600 RF

PL 500(B)-10 RFs=630 d M075 n=6266 b=3=52rfF RF S6S680S0B-2Gh100 TR δ