HG/T 20592  法兰 PL 300-25 RF@ sch80rfF

pl300-25 RF@ sch80rfF

1 M 700-1.0 δs=5

DN125/PN16/11B Sch10S

SO550-25RF1600 RF��@RF@400cf9 cR.FScJ-RmfPL20016FS

WN50(B)-25 RF S=4

WN250-150 RF Sch40 S=9.27

SO 1"-150 RF

SO250-10RF

BI 7490150 RF@5@00F Sch40S@4ï؟½o@4160H40i

WN 3"-300