NB/T 47022  法兰 C-FM 1000-4.0/20δ1=1

2 CFM 1000-4.020δ1=1

PL 500(B)-10 RF

LWN 50-150 RF B=520RF410rf Sch10AScR-900 RF00-0 Rj/

BL 500-300 RF

2 M 2200-2.520δ1=2

WN 600-150 RF Sch20

47023 FM800-1.0/65- S=6hhg2550S00-6.7/

awn800-150rfs=142mpnbsp��5=1@ms=F

WN600-600RF B=570FMC=2395