HG/T 20592  法兰盖 BL 50-100 RF-

BL 50-100 RF-

wn25-150 rj

BI 700

so600(b)-16 rf s

wn250(b)-16fm s=8

nb=t47023 fm500-1.65000FF161..15F0sF R

wn25b-16rfs=3.5

pl100-6rjF0015RF6Sc2@R

SO 125-150 RF

wn32- 150 rffch6 RF S=12150 ff sch40-M0 RF/ch80Sb=3 D=114S=3.5 Â& &;amp;amp;aBRF B=27=49