BS 6283-4:1991

Заменен

Safety and control devices for use in hot water systems, Specification for drop-tight pressure reducing valves of nominal size up to and including DN 50 for supply pressures up to and including 12 bar — 12 стр.

Описание Изменения Ссылки Версии

Заменен на

BS EN 1567:1999

ICS

91.140.60 Water. Including water meters in buildings / Системы водоснабжения. Включая счетчики воды в зданиях