Specifies requirements for circular steel flanges in the PN series 1 and 2: types, facings, dimensions, tolerances, threading, bolt sizes, flange face surface finish, marking, testing and inspection. Annex D gives guidance on selected materials, and Annex E gives guidance on the pressure/temperature ratings for some flanges made from the materials listed in Annex D.
- ISO 7005-1-1992 金属法兰 第1部分:钢法兰（ 现行 ）
- 发布日期：2018-05-04 实施日期：1992-04-01 发布部门：
- 简介：Specifies requirements for circular steel flanges in the PN series 1 and 2: types, facings, dimensions, tolerances, threading, bolt sizes, flange face surface finish, marking, testing and inspection. Annex D gives guidance on selected materials, and Annex E gives guidance on the pressure/temperature ratings for some flanges made from the materials listed in Annex D.