Browse a collection of plug valves at F.W. Webb. Plug valves are used to start or stop fluid flow in various situations, including HVAC systems, gas distribution, chemical processing, and petroleum gathering and distribution. We carry plug valves with lubricated threaded or flanged end connections so you can find the best fit for the required application, and sturdy wrenches used to tighten loose fittings. Made in heavy-duty cast iron, these durable plug valves and wrenches are built to handle corrosive or abrasive materials. Use our convenient filters to sort products by size, material, end-to-end distance, and other factors. Explore plug valves from trusted maker Resun to find the best fit for your project.