API STD 605-1980
大直径碳钢法兰（公称管道尺寸 26 至 60 75 150 300 400 600 和 900）（第三版）

Large-Diameter Carbon Steel Flanges (Nominal Pipe Sizes 26 Through 60@ Classes 75@ 150@ 300@ 400@ 600@ and 900) (Third Edition)

标准号

API STD 605-1980

发布

1980年

发布单位

API - American Petroleum Institute

 

 

适用范围

This standard covers raised-face carbon steel welding neck flanges in NPS 26 through 60 with pressure ratings of Classes 75@ 150@ 300@ 400@ and 600 and in NPS 26 through 48 with a pressure rating of Class 900. It also covers integral flanges for Classes 75@ 150@ and 300@ cast or forged as the integral ends of flanged valves@ fittings@ or nozzle necks.

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