HG/T 20592  法兰盖 BL 200(B)-16 RF-000-1B Sch10S-150 RF S=8�d�FunF7.5 RJ2A0(00F�

bl200b)-16rf-000-1B Sch10S-150 RF S=8�d�FunF7.5 RJ2A0(00F�

WN 50(B)-160FM s=6

WN40-300 RF Sch4016066rf5700-0.6 DpTS65A

WN250-150 RF

LWN 50-300 RF B=41

WN65(B)-25 RF

PL125-6RF

wn15-25rf s=5FF25Te5/u/mp-RJ50dF)-S0 RF061

1 FM 500-1.0 δs=5

WN 250(