Reliable Flow Control Solutions

Top rated control valves for mission critical environments. Configure Hays hose kits, piping packages, and Mesurflo® valves — and build your quote online.

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Commercial HVAC

Unmatched flow control in comfort critical commercial environments. Configure piping packages and hose kits engineered for optimal comfort.

Marine Applications

From keel cooling to ship HVAC systems, Hays valves are built for unpredictable maritime environments — the staple in US Navy ship systems.

American Made

From our roots in Erie, Pennsylvania to the rolling hills of North Carolina, Hays has been America proud for more than 150 years.