The excess air inside a pipe can impede the fluid movement. Hence, the air in pipe lead to slower stream, turbulence, and corrosion. To stay away from all theses complications air valve is equipped within the pipe to vent the excess air. This compressed-air valve has two Doing the job https://martinwzbbe.blog-a-story.com/7034899/new-step-by-step-map-for-types-of-air-valves