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.
Текущий статус : WithdrawnДата публикации : 1992-04
Версия : 1
Технический комитет:Metallic flanges and their joints