HG/T 20592  法兰 WN 80-63 RF SCH00 rf sch80sБNPT)9.5B)-6s/paRFRF-c

WN80(A)-63RF SCH00 rf sch80sБNPT)9.5B)-6s/paRFRF-c

WN50-2500fM S

wn250-300rf ansi b16.365eate-1

LWN300-150RF H=4H=2-16

47021 c-fm 300-1.03

03 FM700-1.6C=50 HAd

so200(b)-40 rf

47023 C-FM700-4.0 S=14=

SO125b-40RF-6R/60=89

WN 125-150 RF S=37 b=3