HG/T 20592  法兰盖 BL 15(B)-100 RFh5-1. S/sMc�

bl15(b)-100 rfh5-1. S/sMc�

WN 20(B)-40 RF S=4

WN 25(B)-40 M

WN 250-600 RF XS/R00/90-1 S=6700-1.0sch10s0=10

BI 1300FLpamp0-0.60M0--4h80HR0S1r

SO 1/2"-150 RFRm 8

PL20-150 RF4mmR.5F0-10=0 RF6rf=3(b)-16rf610

IF15-150RFRr40S-3.50 ScSch4061500m Sch8