During the process of separating solid particles from fluid in apipeline, strainers are used as filters. Their ability to trap debris and dirt in a liquid makes them very useful. Solid dirt particles can damage plumbing components. Strainers ensure that these particles are trapped and prevent damage.A Y strainer is usually used when collecting a small amount of material. It can be installed either horizontally or vertically. A POT strainer does the job without any interruption in the cleaning process because the fluid flow is switched to another strainer during cleaning. Upon filling the first pot, a system is in place to reroute the flow to the second strainer, freeing the first pot for cleaning.