IS 904 : 1983 Specification for 2-way and 3-way suction collecting heads for fire fighting purposes

UDC 614.843.3 : 621.643.47 CED 22
Reaffirmed 2020

1 Scope

1.1 This standard lays down the requirements regarding material,shape and dimensions, construction workmanship and finish and performance tests of 2-way and 3-way suction collecting heads.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 291 : 1977Specifications for naval brass rods and sections(suitable for machining and forging)

IS 292 : 1961Specification for brass ingots and castings

IS 304 : 1981Specification for high tensile brass ingots and castings

IS 318 : 1981Specification for leaded tip bronze ingots and castings

IS 617 : 1975Specification for aluminium, and aluminium alloy ingotsand Castings for general engineering purposes

IS 6528 : 1972Specification for stainless steel wire

IS 7608 : 1975Specifications for phosphor bronze, wires (for general engineering purposes)