HG/T 20592  法兰 WN 50(B)-25 RF S=22RFRFBFFRF Sch40M400-4.025 RF

WN 50(B)-25 RF S=22RFRFBFFRF Sch40M400-4.025 RF

3 A4RF

法兰wn200-150 rf/ h=156 dn00-11

PL200(B)-16 RF235 rf s=4150 rf/am

wn80-25rf+s=10.5+25M S5 S3

SO 150(B)-10 T650/000-0.61

wn80-25rf+s=10.5+

BⅠ180BB=06 RFH80S140SOt"-150 RF Sch50S)-10 r

wn8