Valves and fittings are devices that control, regulate, or connect the pipes in the water supply network, which can affect the hydraulic performance, reliability, and maintenance of the system.

Install the New Valve You probably have a 3/4-in. pipe leading to and from the leaky valve. Buy a threaded replacement ball valve; it’s a far better choice than the older gate-style valve.

How Shutoff Valves Are Connected One important factor to consider when selecting the right water shutoff valve for your project is its connection type. Based on the material and type of pipe the ...

Stephen Hall discusses the golden rules for design CONTROL valves provide a way to modulate the flow rate through a line, maintain the level in a tank, or adjust the pressure in a pipe. A sensor ...

This article was originally published with the title “Douglas' Improved Patent Globe Valve” inScientific American Magazine Vol. 20 No. 13(March 1869), p. 200doi:10.1038 ...