HAT/RA

145-512X00-XXX

DOWNLOAD REQUEST QUOTE
The HAT/RA (reverse-acting heat actuated trap valve) is designed to monitor, control, and regulate flow, utilizing a temperature control actuator to constantly sense in-line fluid temperature. Since it is what we classify as reverse-acting, the thermal valve will open on rising temperatures. As the fluid temperature increases to within the operating range of the HAT/RA, the thermal actuator modulates the valve open. If the fluid temperature is above the valve’s set point, 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.
The HAT/RA valve may be used to regulate the flow of cooling water, glycol or other cooling media in applications requiring economical removal of heat from equipment or a process. Since the HAT/RA valves open on rising temperatures, they can be used in many thermal relief valve applications.
  • Exclusive self-actuating Thermoloid® blend paraffin wax actuator
  • Compact low mass – fast response
  • Corrosion-resistant – long service life
  • Operates in narrow temperature band
  • Stainless steel body, fittings, spring and plug
  • Two wrench flats for easy installation
  • Ram-type plug for reliable shut-off
  • Self-operating – no external power source required
  • Maintains constant discharge temperatures
  • Unaffected by pressure variations
  • Wide choice of set points
  • Operates in any orientation
  • Conserves water
Series HAT/RA
Description 3/4" HAT/RA D-Port all SS
Size 3/4" NPT
Diameter-in 1.5
Diameter-mm 38
Length-in 5.5
Length-mm 140
Weight lb 1.4
Weight kg 0.6
Cv 2
Maximum Operating Pressure 70 PSIG (4.8 BAR)
Maximum Temperature 150°F(66°C) over set-point-limit 300ºF(149ºC)
Port Size D
Opening Temperature 40°F, 45°F, 50°F, 60°F, 70°F, 75°F, 85°F, 95°F, 100°F, 105°F, 110°F, 115°F, 120°F, 125°F, 130°F, 140°F, 150°F, 160°F, 170°F, 175°F, 180°F, 190°F, 200°F, 210°F (4.4°C, 7.2°C, 10°C, 15.6°C, 21.1°C, 23.9°C, 29.4°C, 35°C, 37.8°C, 40.6°C, 43.3°C, 46.1°C, 48.9°C, 51.7°C, 54.4°C, 60°C, 65.6°C, 71.1°C, 76.7°C, 79.4°C, 82.2°C, 87.8°C, 93.3°C, 98.9°C)
Closing Temperature Valve will close 10°F below the open temperature
Body Material Stainless Steel
Seal Material EPDM or Viton Seals
Isometric View Download
Front View Download
Top View Download
Side View Download

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