Hays Fluid Controls, founded in 1865, is committed to exceeding customer expectations, building high quality products, and providing a friendly safe environment for their employees.

Since 1963, Hays Fluid Controls has been the exclusive supplier to the US Navy for Automatic Flow Control Valves. Our Exclusive Mesurflo® technology, has been controlling the chilled water systems on submarines, surface vessels and weapons systems like the Patriot Missile Launcher for over 35 years.