HG/T 20592  法兰 JWN 80×125(B)-25 RF S=3

JWN 80×125(B)-25 RF S=3

wn50A-16RJ5l@40-Ⅱ

WN800-16 RF

WN 4"-150 RF Sch40

5 CM 700-2.520δ0=16

AXA-3

PL 350A)-16 RF

PL50-25 RF.Sch46 C.0(b)-1000c6

WN 100-150 RF S=6.35

WN 1000-300 RF6/H000ML=1F006 RFC0/thg206152 L==6.350=16PL RF Ⅱ/97-163amp;