HG/T 20592  法兰盖 BL 150(B)-2.5 RF∙╚п▒Б┬≥Б

bl150(b)-2.5 rf∙╚п▒Б┬≥Б

5 RF 1200-0.6 δ0=5 b=0

so600-300gScgWN25-150=SI4022rf/

WN15(A)-16 FM-10R

EHA1200RF0m s

SO 505(B)-25 RF

47023 fm1000-2.5-8ampan14000/RF2.5RF00 RF

1 CFM 400-1.0 δs=4

WN40-300 RF S=5fpF-700.06

WN 50-600 RF S=6Fâ�