ThermOmegaTech® Temperature Control Valve HAT/RA-LP

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Temperature Control Valve - HAT/RA-LP - ThermOmegaTech®
Warminster, PA, United States
Temperature Control Valve
HAT/RA-LP
Temperature Control Valve HAT/RA-LP
Operation As the fluid temperature increases to within the operating range of the HAT/RA-LP, the thermal actuator modulates the valve open. If the fluid temperature is above the acceptable range, the valve will continue to modulate open allowing additional fluid discharge. As the outlet temperature falls, the valve then modulates toward the closed position, reducing flow. This modulating action maintains a relatively constant fluid temperature even as operating conditions vary. At start-up, the HAT/RA-LP is closed except for its control leakage, which allows a small flow so that the actuator inside the valve can sense the changing equipment temperature. Benefits Controls cooling fluid return temperatures – ideal for glycol and water Maintains constant discharge temperatures Improves system efficiency Unaffected by pressure variations Conserves water Design Features Stainless steel body, fittings, spring, and plug Corrosion resistant – long service life Operates in narrow temperature band Compact low mass – fast response Two wrench flats for easy installation Ram-type plug for reliable shut-off Leak port (LP) senses changing upstream temperature Typical Applications HAT/RA-LP valves are ideal for controlling cooling water for compressors and die-casting equipment, engines, heat exchangers, welding equipment, electrical equipment, and molding equipment.

Operation

As the fluid temperature increases to within the operating range of the HAT/RA-LP, the thermal actuator modulates the valve open. If the fluid temperature is above the acceptable range, the valve will continue to modulate open allowing additional fluid discharge. As the outlet temperature falls, the valve then modulates toward the closed position, reducing flow. This modulating action maintains a relatively constant fluid temperature even as operating conditions vary.

At start-up, the HAT/RA-LP is closed except for its control leakage, which allows a small flow so that the actuator inside the valve can sense the changing equipment temperature.

Benefits

  • Controls cooling fluid return temperatures – ideal for glycol and water
  • Maintains constant discharge temperatures
  • Improves system efficiency
  • Unaffected by pressure variations
  • Conserves water

Design Features

  • Stainless steel body, fittings, spring, and plug
  • Corrosion resistant – long service life
  • Operates in narrow temperature band
  • Compact low mass – fast response
  • Two wrench flats for easy installation
  • Ram-type plug for reliable shut-off
  • Leak port (LP) senses changing upstream temperature

Typical Applications

HAT/RA-LP valves are ideal for controlling cooling water for compressors and die-casting equipment, engines, heat exchangers, welding equipment, electrical equipment, and molding equipment.

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Technical Specifications

  ThermOmegaTech®
Product Category Industrial Valves
Product Number HAT/RA-LP
Product Name Temperature Control Valve
Primary Material Stainless Steel
Number of Ports 3
Valve Type Control Valve; Shut Off
Media Water; Chemical
Actuation Thermally
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