HG/T 20592  法兰 WN 50-100 M s=7/ RF S=7.1

wn50-100m s=7/ RF S=7.1

法兰PL600(B)-6RFF ASME16.RC005rc68FRF Sch40SRF B=Sch10Sf5F H

LWN 80-600 T Smpam RF Sch40S6 RF B=52 H=2

wn50-160fm4rfhg0rf-112-4A=32-30

SO 15-16 RF RF0(B)-6RF RF S=3.10-= R

WN3"-600 RF Sch04 N=aFh.20pampquothg20615 wn350