HG/T 20592  法兰 WN 400-40 RF S=9.5=3.50615 wnwn350-600rj&a

WN 400(A)-40 RF S=9.5=3.50615 wnwn350-600rj&a

wn125(b)-40fm1=65615-2/+S=6.6140O100f

SO150(B)-25 RF b=55-1RF294Sr=h40�s=18B)-10

PJ/SE400(B)-10RF

DN1000-PN6 PL RF Ⅱ A=2220 D=2475 C=42 K=2390 L=42 n=52 Th=M39 B=2224 d=2335

SO125(B)-40 RF C=34 H=5