A ball valve, also known as a spherical valve, is a stopcock mechanism used to regulate the flow of a piped fluid and is characterised by having a perforated ball inside as its regulating mechanism.
The gate valve, also known as a channel valve, is a valve that opens by raising a hatch or blade (round or rectangular in shape) to permit the passage of fluid.
Globe valves are used for regulating the flow in piping that contains a mobile disk type element and a stationary ring in a generally spherical body.
A retention valve, also known as one-way or non-return valve, is a mechanical device that normally allows liquid or gases to flow through it in only one direction.
The filter is indispensable in a pipe system that transports the flow. Its function is to filter impurities in the flow to protect the equipment and pipes from wear and blockage.