Ball-cock (Float) Valves

Ball-cock (Float) Valves

Float / Ball-cock valves are used to automatically control the level of water in a storage tank or toilet cistern. A moving ball / float rises with the water and operates the valve, shutting off the water supply when it is at the correct level.

Interesting fact : the modern ballcock was invented by José Antonio de Alzate y Ramírez, a Mexican priest and scientist, who in 1790 described the valve in the Gaceta de Literatura Méxicana.

Typical applications :

BS1212 Part 1 brass ballcock / float valves are used in older cold water storage tanks and heating feed / expansion tanks.

BS1212 Part 2 brass ballcock / float valves are used in modern cold water storage tanks and heating feed / expansion tanks.

BS1212 Part 3 plastic ballcock / float valves are used as inlet / fill valves in older toilet cisterns.

BS1212 Part 4 plastic ballcock / float valves are used as inlet / fill valves in modern toilet cisterns.

The threaded connections of these ballcock valves use a British Standard Pipe Thread size - see BSPT link at bottom of page for more info.

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