HG/T 20592  法兰 SO 500-100 RF/8FRF5200-10 h-1002/u16

SO500-100 RF/8FRF5200-10 h-1002/u16

DN1000/PN16/11B S=9.5

so50(b)-40 rf d=180 k=135 l=22 c=26 h=36 n=90

wn200-300 fm sch80 a=168.3 s=8

WN350-300 M S=12.

wn200-300 rf b=193.7

5 FF 1250-1.S=6�s663032.5

wn250-150 rf s=6

SO25-150RF Sch80010SFF50Ff

WN50