Specifies requirements for devices which may be used to protect pressure vessels, pipelines or other enclosures from excessive pressure or vacuum when the pressure differential across the disc exceeds a predetermined value at a predetermined temperature.
Заменён стандартами:
ISO 6718(1991.12)
Дата введения:
01.09.85
Дата отмены:
01.12.91
Нормативные ссылки:
AMD 4884-1986, NEQ*BS 2915-1984, NEQ*NF E29-425(1987/AFNOR), NEQ*OENORM ISO 6718(1989/ON), EQV