Explore options in industrial plastic check valves at F.W. Webb. Industrial check valves are designed for high-temperature and high-pressure environments in commercial applications due to their resiliency and long service life. These check valves are made in polypropylene, or CPVC, heavy-duty plastic derivatives that are durable and can withstand daily use indoors or outdoors to prevent backflow in a pipeline. Use our helpful filters to narrow products by size, end connection, seal material, and other variables. Browse plastic check valves from trusted makers Georg Fischer, and Spears to find the right fit for your industrial application.