HG/T 20592  法兰盖 BL 300-63 RF22 f1

hg=t20592-2009 bl300-63rf22 f1

wn125(a)-16 rf sÂ16R= RJ

wn25-16rf d=2016

wn600-150 rf b=42

wn500-600fm b

2 A500 d=262 hg/@4700Fr0s)-1 DN15.0F

1 RF 1200-0.25RFRFF0ch40RJ)-16fB)

47023 M600-4. SCtmlB)-179crpampa

47023 fm 550-1.6/60-100nvoker=f aa=161g/