
Specification. Indicator plates for fire hydrants and emergency water supplies.
NORM herausgegeben am 30.4.1976
Designation standards: BS 3251:1976
Publication date standards: 30.4.1976
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategorie: Technische Normen BS
Dimensions for sheet steel, cast iron, aluminium alloy or plastics indicator plates. Colours and finish, tests for impact resistance, colour stability, resistance to weathering, flexibility and security of removable numerals. Recommendations for fixing. Status: Confirmed