A ball check valve is a simple and reliable valve with the only moving part to block the reverse flow, is a spherical ball. The...

A check valve, clack valve or non-return valve : a check valve allows flow in one direction and automatically prevents back flow (reverse...

A gate valve, also known as a sluice valve, is a valve which opens by lifting gate out of the path of the fluid. Gate valves require very...

A butterfly valve is a quarter-turn valve used to regulate flow. A metal disc in the body of the valve is positioned perpendicular to the...