HG/T 20592  法兰 SO 500-16 MF26 D=RF)-

SO500-16 MF26 D=RF)-

DN600/PN10/05A

wn300(b)-40 rf6-64 un/ffnRFSFHh1AN0160590(05rf@40@S5 RJrvle@S/2-250040S�2600-s/@F0614

WN50(B)-25 RF S=6SS h

WN 350-150 RF S=7.pam150Sc

BL 500-150 RF Sch40 S=10

DN800-PN16 PL RF Ⅱ

LWN50-300 RF Sch80 H=762.2

DN25