NB/T 47022  法兰 FM 700-2.5 δ1=10

2 FM 700-2.5 δ1=10

2 FF 1000-4.0 δ1=10

so500(a)-10rfN50/ B/2

wn200-10 t=YF16c2

WN40(B)-16RF S=4

WN250(B)-16 FM S=

WN250-25MFmR3100-25pl65-aFJ

SO500-16 RF-B RFn100-150 r

LJ 3/4"-600 SFM Sc6T0 rf/

WN 100(B)-16 RF S=4RF Sch10SRF0 b0R ãFfRF RSch