HG/T 20592  法兰盖 BL 50(B)-40 RF S=10 RFrj22Mu2 bf d=92@RF@443RF@A

BL 50(B)-40 RF S=10 RFrj22Mu2 bf d=92@RF@443RF@A

WN140-16RF7578sF0 RF Sch1577.5 RJb=5 RJf/@4�F0fs=130RF6-25RFFF@F/@0(RF25C00(B)-

LWN50-300RF H=342

法兰 LF/SE200-150 RF

bl40-10 m/2009 wn

47021 C-RF 400-1.021m 800H

SO 24"-150 RF Sch40

SO500(B