ASME B16.5  法兰 WN 1/21"-150 RF Sch40f500FMjF0180A55-5RF0-1.-16

WN1/21"-150 RF Sch40f500FMjF0180A55-5RF0-1.-16

WN 50-300 RF S=8M S=3/)

BL10-6FM�foRFR1200- 10ff=

WN 150-150 RF S=5

PL 200(B)-10 RF

pl50(b)-10 rf-c

法兰wn20-150rf s=8

WN 450(B)-40 RF S=6

SO 80(B)-16 RF

BL200-16 RF70FF B=52RFF/000F2F.50(A))-10