IS 928 : 1984 Specification for Fire Bells

1 Scope

1.1 This standard lays down the requirements regardingmaterials, shape and dimensions, manufacture, workmanship andfinish, and performance test of 250 mm diameter fire bell.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 292 :1961Specification for brass ingots and castings

IS 306 :1968Specification for tin bronze ingots and castings

IS 581 :1976Specification for vegetable tanned hydraulicleather

IS 1977 :1975 Specification for structural steel (ordinaryquality)

IS 4454 : Part 1 :1975 Specification for steel wires for Coldformedsprings:Part 1 Patented and cold drawn steel wires -unalloyed