BS 6448-1:1987

Заменен

Gas governors, Specification for pressure governors with nominal connection size up to 50 mm for gas appliances with inlet pressure up to and including 200 mbar — 21 стр.

Описание Изменения Ссылки Версии

Заменен на

BS EN 88:1991

ICS

23.060.40 Pressure. Including pressure-reducers / Регуляторы давления. Включая редукторы