HG/T 20592  法兰盖 BL 350-10 RF/

BL350-10 RF/

wn 40-150 RF sch80

BL 100 -300 RFSfs.50.22=14-

SO 4"-150 RF

DN100-PN16 SO FF Ⅱ

PL89(B)-40RF RF00 SFMRJFFRF00AF5@°F1Ff@4150 FFF5

WN 16"-150 RF Sch40

DN100-PN16 WN RF Ⅱ S=4

Wn300-300 RF/

SW 40-150 RFF dR80.1RF06-20140(B