NB/T 47021  法兰 C-M 550-0.6/20δs=69 PL25B)-16

1 CM 550-0.620δs=69 PL25B)-16

WN80-150 RF D=190

SO 50(B)-25 RF

WN350-300 G SCH60

BL 250-16 RF

WN350(B)-16 FF

WN50-150 RF Sch160

WN500-150 RF Sch2

3 FM 400-1.6

wn80-600rjsc650fpampam0sch4mpF)4 RFFF0 fF Sch80S266 rfSch805m-1016/0s=7a60FF B=52 H=227150