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PRODUCTS
Discover the exceptional quality of Hays products. With designs and technology that the military trusts for use on submarines and a team that is passionate about supporting its customers.
AUTOMATIC BALANCING VALVES
Hays' patented Mesurflo® automatic flow control valves are the ideal solution for controlling flow in water-based cooling and heating systems.
R
MESURFLO
BALANCING SOLUTIONS
Unlike other balancing valves, Mesurflo® offers a quiet, clog proof, and long lasting solution, without wasting time balancing. Make it simple.
AUTOMATIC BALANCING VALVES
HOSE KITS
Supplied with a Mesurflo® Automatic Balancing valve, two stainless steel braided hoses, with strainer and ball valve options. Take away the worry, all kits are assembled, 100% leak tested, and tagged before shipping.
Convenience when
you need it most.
When making those final connections to the heat pump, the last thing you want to deal with is extra work. Find convenience and speed with a hose kit.
HEAT PUMP CONNECTION KITS
HEAT PUMP CONNECTION KITS
PIPING PACKAGES
Two-way or Three-way, hard piped or flexible, supplied with a Mesurflo® Automatic Balancing or Manual Balancing valves, and with strainer and ball valve options. Take away the worry, all packages are assembled, 100% leak tested, and tagged before shipping.
Make an
easy connection.
We became the standard for the HVAC industry through quiet operation, non-clogging design, but most importantly, simplicity.
FAN COIL CONNECTION KITS
FAN COIL CONNECTION KITS
STAINLESS STEEL PRODUCTS
Hays offers our signature Mesurflo® automatic balancing valves in rugged stainless steel—engineered for pressure-independent performance in the most demanding environments. Ideal for critical systems like data centers, food and beverage processing, and medical equipment, these valves deliver precision flow control with unmatched reliability.
Built for
Critical Systems
Trusted in high-stakes systems where failure isn’t an option—Mesurflo® stainless steel valves deliver lasting performance, even under pressure.
FAN COIL CONNECTION KITS
LOW-TEMPERATURE VALVES
Like standard automatic balancing valves, Hays' low-temperature valves reduce noise and clogging, but are built for cold storage environments and glycol based systems.
Add cold storage without
affecting system balance.
With low-temp valves that automatically balance, contractors and store owners can increase cold storage without the need to rebalance the system.
LOW-TEMPERATURE VALVES
MARINE APPLICATIONS
Hays Naval Automatic Balancing valve designs have been a staple in US naval ship systems since the mid 1960’s. Hays naval products reliably control hydronic flow in surface ships and submarines.
Consistency in uncertain climates, with Navy qualified valves.
Used in US Navy ship systems for HVAC, Fire Suppression (AFFF), Electronic Cooling systems and many more.
COMMERCIAL MARINE
INDUSTRIAL SOLENOID VALVES
Built to withstand the grind in rigorous and repetitive commercial environments. Used by commercial laundry, dishwashers, vehicle washing systems, humidification, water treatment, and poultry incubators.
Built to withstand the grind in rigorous and repetitive commercial environments.
Used by commercial laundry, dishwashers, vehicle washing systems, humidification, water treatment, and poultry incubators.
INDUSTRIAL SOLENOID VALVES
INDUSTRIAL SOLENOID VALVES
BYPASS KITS
Hays bypass kits are supplied with a ball valve to bypass the coil while flushing debris from the system. Hard piped or flexible options are available in various sizes.
Bypass avoidable issues.
Bypass the coil while flushing the system after initial installation to prevent restrictions from unwanted debris.
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