Piston valve

Piston valve in a brass instrument

A piston valve is a device used to control the motion of a fluid or gas along a tube or pipe by means of the linear motion of a piston within a chamber or cylinder.[1]

Examples of piston valves are:

  1. ^ Ashlin (2020-04-25). "What is a piston valve and how does it work". Instrumentation and Control Engineering. Retrieved 2022-08-05.