About Hays Fluid Controls

Hays Fluid Controls designs and manufactures Mesurflo Automatic Flow Control Valves for commercial HVAC industry. Since 1963, Hays Fluid Controls has been the exclusive supplier to the US Navy for Automatic Flow Control Valves. The 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.

The company was founded in 1865, and is committed to exceeding customer expectations. Hays builds high quality products, and provides a friendly safe environment for their employees.

Hays’ mission is to make people’s lives more comfortable by providing superior fluid control solutions.

Product Line

Hays Fluid Controls manufactures automatic flow control valves in imperial and metric sizes, which operate over a wide range of differential pressures.

The Mesurflo® automatic flow control valves from Hays are being called the “Gold Standard” because their unique features and benefits make them the ideal solution for controlling flow in water-based cooling and heating systems. Mesurflo® eliminates oscillation, vibration, noise and feedback in the system, and has a non-clogging design.

  • Automatic Balancing Valves
  • Pressure Independent Control Valves
  • Manual Balancing Valves
  • Solenoid Valves, for commercial laundry equipment & facilities, commercial dishwashers, bottle washers & pot/pan washers, car & truck wash facilities, irrigation systems, humidification, water treatment, poultry incubators/watering equipment, industrial Maintenance, repair & operation, and boiler blow down
  • Low Temperature Automatic Balancing Valves, specifically designed for Glycol Chiller Systems operating at temperatures as low as 15°F

Hays also manufactures water source heat pump connection kits, and fan coil connection kits. Add to it an extensive and complete line of components and marine products.

To learn more about Hays Fluid Controls and to see all the products available to you, click here.

Regardless of what you are looking for in terms of flow control, be certain that Hays has the right solution to satisfy your need.