Part 3 ball valve: what is it & how does it work?

A Part 3 ball valve or diaphragm ball valve is a ball valve made to British Standard specification 1212, Part 3. It consists of a plunger and a diaphragm washer inside a plastic housing. The plunger is partly visible and protrudes from the face of the valve. Water enters the cistern via small plastic spout on … Read more

Part 2 ball valve: what is it & how does it work?

A Part 2 ball valve or diaphragm ball valve is a ball valve made to British Standard specification 1212, Part 2. It consists of a plunger and a diaphragm washer which are both situated inside a brass housing. The plunger is partly visible and protrudes from the face of the valve. Water enters the cistern via … Read more

Part 1 ball valve: what is it & how does it work?

A Part 1 ball valve or Portsmouth ball valve is a ball valve made to British Standard specification 1212, Part 1. It consists of a piston inside a brass housing, with a float arm secured to the valve via a split pin. Inside the piston is a slot which accommodates the end of the float arm, and on … Read more

Ball valve: what is it & how does it work?

A ball valve or float valve, or less commonly, a ballcock, is a valve which controls the flow of water into a cistern via a plastic or metal float on the surface of the water. When water is drawn out of the cistern, the float falls with the water level. This opens the valve and causes water to … Read more

Ball valve repair kit

A ball valve repair kit is a repair kit which contains multiple types of spare parts for ball valves. A kit will typically include split pins, high and low pressure valve seatings, washers for Part 1 ball valves, and diaphragms for Part 2 ball valves. Ball valve repair kit overview A leaking ball valve is often … Read more

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