IS 903 : 1993 Specification for fire hose delivery couplings, branch pipe, nozzles and nozzle spanner

1 Scope

This standard lays down the requirements regarding material,shape, construction and test (wherever applicable) for fire hosedelivery couplings, branch pipe, nozzles and nozzle spanner used infire fighting operations.

2 References

IS 291 :1989Specification for naval brass rods and sections(for machining purposes)

IS 292 :1983Specification for leaded brass ignots andcastings

IS 304 :1981Specification for high tensile brass ingots andcastings

IS 318 :1981Specification for leaded tin bronze ingots andcastings

IS 617 :1975Specification for aluminium and aluminium alloysingots and castings for general engineeringpurposes

IS 937 :1981Specification for washers for water fittings forfire fighting purposes

IS 1264 :1989Specification for brass gravity die castings(ingots and castings)

IS 1337 :1980Specification for electroplated coatings ofhard chromium coatings on iron and steel

IS1570Schedules for wrought steels:

Part 2 : Sec 1 : 1979 Part 2 Carbon steels(unalloyed steels),Section 1 Wrought products (other than wire)with specified chemical composition and relatedproperties

IS 1573 :1986Specification for electroplated coatings of zincon iron and steel

IS2643Dimensions for pipe threads for fasteningpurposes:

Part 1 :1975Part 1 Basic profile and dimensions

IS 6528 :1972Specification for stainless steel wire

IS 6529 :1972Specification for stainless steel blooms,billets and slabs for forging

IS 7608 :1987Specification for phosphor bronze wire forgeneral engineering purposes