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In this competitive scenario, it isn't easy to survive in the market without a standard quality and certified product. BIS license may also be required to sell products in the Indian market.

To get BIS certification and produce a standard quality product, the manufacturer must ensure that their product must follow the specified Indian standard.

Let's take a closer look at IS 781:1984.

IS 781: 1984 covers cast copper alloy screw down bib taps and water service stop valves. This standard specifies the requirements for copper alloy screw down bib taps and stop valves that are suitable for cold non-shock working pressures of up to 1.0 MPa. The male inlet on bib taps must be screwed, and stop valves must have screwed female, male, or mixed ends.

The nominal sizes of bib taps and stop valves must be per standard. The nominal bore of the socket or pipe outlet to which the tap or valve is normally fitted shall be used to determine the nominal size of the bib tap and stop valves.

The materials used in the manufacture of various components of bib taps and stop valves must meet the requirements specified in the standard. The dimensions of bib tap and stop valves and their components must be in accordance with the standard. All castings must be sound and free of laps, blow holes, and pitting, and both the external and internal surfaces must be clean, smooth, and sand-free. Bib taps must be built in such a way that the water stream does not break or spread excessively.

The bib taps and stop valves must have a minimum finished mass as specified in the standard. The bib taps must always be brightly polished.