Float operated valves. Specification for diaphragm type float operated valves (plastics bodied) for cold water services only (excluding floats).

Standard published on 31.12.1990

Float operated valves. Specification for compact type float operated valves for WC flushing cisterns (including floats).

Standard published on 29.2.2016

Tracked Changes. Float operated valves. Specification for compact type float operated valves for WC flushing cisterns (including floats).

Standard published on 25.2.2020

Chemicals used for treatment of water intended for human consumption. Sodium polyphosphate.

Standard published on 31.3.2005

Chemicals used for treatment of water intended for human consumption. Sodium hydrogen sulfite.

Standard published on 30.4.2022

Tracked Changes. Chemicals used for treatment of water intended for human consumption. Sodium hydrogen sulfite.

Standard published on 29.9.2022

Chemicals used for treatment of water intended for human consumption. Sodium disulfite.

Standard published on 30.4.2022

Tracked Changes. Chemicals used for treatment of water intended for human consumption. Sodium disulfite.

Standard published on 6.10.2022

Chemicals used for treatment of water intended for human consumption. Ammonia solution.

Standard published on 10.12.2024

Tracked Changes. Chemicals used for treatment of water intended for human consumption. Ammonia solution.

Standard published on 24.12.2024