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ThermOmegaTech’s self-operating (heat actuated trap) valve is mechanically operated by a thermal wax actuator. This thermostatic actuator senses the fluid temperature and will modulate the valve open to initiate flow if the temperature falls below the valve’s set point. Once the fluid temperature increases back to the set-point, the valve will modulate closed. HAT valves are available with built-in leakage to allow bypass flow.
A subcooling steam trap: discharges condensate to an unpressurized outlet, reducing problems associated with overheating. Regulating temperatures in glycol heat tracing: maintains the discharge temperature for glycol heat tracing used for winterization processes. Freeze protection for condensate systems: The heat actuated trap valves open when temperatures fall to allow condensate to discharge before freezing. High-temperature for commercial aircraft galleys: HAT valves are installed in airplane galleys where manifolds connect coffee makers and faucets to prevent high-temperature water from traveling to the cold-water lines and scalding passengers and/or crew. Regulating temperatures of tank heating coils: HAT valves limit the temperatures of the heating element by closing before coil temperatures are too high to reduce the risk of over-temperature damage. Sampling system safety shutoff: HAT valves will remain open as long as sample temperatures are under the valve’s set-point. If the sample temperature increases, the valve will close, shutting off the flow and protecting analyzing equipment from damage.
- Exclusive self-actuating Thermoloid® blend wax thermal actuator
- Stainless steel body, fittings, spring and plug
- Compact low mass – fast response
- Corrosion-resistant – long service life
- Ram-type plug for reliable shut-off
- Operates in narrow temperature band
- Optional leak port (LP) available
- Self-operating – no external power source required
- Controls fluid return temperatures – ideal for glycol tracing
- Maintains constant discharge temperatures
- Improves system efficiency
- Unaffected by pressure variations
- Two wrench flats for easy installation
| Series | HAT |
| Description | 3/4" HAT 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 | 300 PSIG (20.7 BAR) |
| Maximum Temperature | 150°F(66°C) over set-point-limit 300ºF(149ºC) |
| Port Size | D |
| Opening Temperature | 40°F, 50°F, 55°F, 60°F, 65°F, 75°F, 85°F, 90°F, 95°F, 100°F, 105°F, 110°F, 120°F, 125°F, 130°F, 140°F, 150°F, 155°F, 160°F, 170°F, 175°F, 180°F, 190°F, 200°F (4.4°C, 10°C, 12.8°C, 15.6°C, 18.3°C, 23.9°C, 29.4°C, 32.2°C, 35°C, 37.8°C, 40.6°C, 43.3°C, 48.9°C, 51.7°C, 54.4°C, 60°C, 65.6°C, 68.3°C, 71.1°C, 76.7°C, 79.4°C, 82.2°C, 87.8°C, 93.3°C) |
| Closing Temperature | Valve will close 10°F above 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 |
