GB/T 29465  法兰 FF 1450-0.6/20δ7023 rf1

5 FF 1450-0.620δ7023 rf1

2 C6-20

3 FM 2000-1SCHch4.ch80s05.600-1.6S=1F6R

BI 650 Ro=3MFMБ-я096rf00ch

SO500(B)-16RFS¦âB)-2=20

B WN 700-150 RF S=24

Sw 25(B)-16 RF80S

SO20-150 M16mFF0-16rf8

WN500-150RFr0592)0

wn 25(a)-25rfa4 d=4m-16 RFز¹S=0.0=1221