HG/T 20592  法兰 PL 250(B)-10 FF�°F1Ff@4150 FFF1Js-16ScH8/600 RF300 RJc RFF5 RJ000

pl 250(B)-10 fF�°F1Ff@4150 FFF1Js-16ScH8/600 RF300 RJc RFF5 RJ000

BII 32417

WN 50-150 RF10006

WN 150(B)-25 RF S=100

wn40(b)-100 rf s=3 H=241/1=1.692-540Sn1200p50

so 450(b)-25 fm

WN32-600RF S=

WN 600-300 RF S=150

WN 600-300 RF S=273

3 RF 600-2.5A=