NB/T 47023  法兰 C-M 3000-1.6/20δ0

3 CM 3000-1.620δ0

WN 15-150 RF

wn15-900rjsch432b

wn100b-16rfrf-1-1

PL 800(B)-2.5 FF

SO 22"-300 RF

BL 250-300 RF

JPL 15×40(B)-16 RF80 RE Ramp

WN20-150 RF

WN 2"-600 RF Sch16000 RF Sch40Sget=.0-4.RF5 FFRF �=3.51.0/mlFF5/2WN1019-2F.fSch4F b