IS 4928 : 1986 Specification for delivery valve for centrifugal fire pump outlets

1 Scope

1.1 This standard lays down the requirements regardingmaterials, shape and dimensions, construction and performancerequirements for delivery valve for centrifugal pump outlets.

2 References

IS 2 :1960 Rules for rounding offnumerical values

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

IS 319 : 1974Specification for free-cutting brass bars, rods andsections

IS 320 : 1980Specification for high tensile brass rods and sections(other than forging stocks)

IS 581 : 1976Specification for vegetable tanned hydraulic leather

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

IS 937 : 1981Specification for washers for water fittings for firefighting purposes

IS 4687 : 1980Specification for gland packing asbestos

IS 5290 : 1983Specification for landing valves

IS 6603 : 1972Specification for stainless steel bars and flats

IS 7608 : 1975Specification for phosphor bronze wires (for generalengineering purposes)