BS 6282-1:1982

Заменен

Devices with moving parts for the prevention of contamination of water by backflow, Specification for check valves of nominal size up to and including DN 54 — 12 стр.

Описание Изменения Ссылки Версии

Ссылочные документы

BS EN 13959:2004

Действует

Anti-pollution check valves. DN 6 to DN 250 inclusive Family E, type A, B, C, and D — 34 стр.