NB/T 47022  法兰 T 900-1.31

47022t900-1.31

PL 450(B)-10 RF)-6rf/2S1=782 S00 22ذ‘─

و³•ه…° WN 150(B)-16RF s=60(B)-10 RF S=5/ s=4/RF

47023M450-4.05MFch1

PL 300-10RF= n=FBBâ/u00bf/u00bd/u00c3

wn150-600rf s=7.115626rf663

3 fM 700-6.4-=3â=3.5 b=32-150uot0 H=165F