There are countless applications for check valves and strainers in commercial and residential settings. Typically, a check valve allows fluid (water, gas, oil) to flow in one direction while preventing it from flowing back the other way. A strainer removes dirt or other particulates from a liquid or gas stream. Here are just a few examples of where you might see a check valve or filter in action:
• Commercial kitchen sinks – A strainer prevents food particles from clogging up the drainpipe. Check valves are often used near the dishwasher to prevent mixing dirty water and soapy water.
• Car washes – Water flows one way through the hoses and spray no