NB/T 47023  法兰 FM 850-1.6/9)-16

2 A1500 RF47023 FM850-1.6/9-)-16

DN 400-Sch80 C-1.616R=12 S

BL25-63 RF R

BL900-10RF M.0/1

47021 C-M900-0.640mntem5F55mo15/

1 RF 1400-0.25 δs=10 S=58

BL50-10 RF D=15

wn500b-300m380S

wn50b)-40rf4040c32�¢��1=2F/ δ=56cHG RF/0000 C=2/N800-

BL3