Reaffirmed 2022

1. Scope

This standard specifies materials, workmanship, performance and sampling, requirements besides where appropnate, dimensions and tolerances, of diaphragm type float operated valves for water services up to 45°C for use 10 flush tanks, overhead water tanks, etc.

2. REFERENCES

The following Indian Standards below are necessary adjuncts to this standard.

2643 : Part 3 : 1975 Dimensions for pipe threads for fastening purposes: Part 3 Limits of sizes (first reviston)

4346: 1982 Washers for use with fittings for water services (first revision)

4905 : 1968 Methods for random sampling

9762: 1981 Polyethylene valves