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Utilizing a thermostatic wax actuator, the TV/HAT (Tube Valve/Heat Actuated Trap) freeze protection valve responds only to fluid temperature to control a system. After condensate forms and cools to the valve’s set point, the valve modulates the flow to maintain a constant condensate discharge temperature. During start-up, the TV/HAT is wide open for rapid venting and initial heat-up and then will adjust based on fluid temperature. After shutdown, the valve is self-draining to eliminate freeze damage.
TV/HAT valves are ideal for use in conjunction with tracer tubing and tracing systems using pre-traced tubing bundles. These valves are optimal for replacing conventional steam traps on winterization tracing, instrument tracing, condensate return system freeze protection, tracing for processes under 150°F (65°C), and other applications requiring in-line flow control based on temperature.
- Exclusive self-actuating Thermoloid® blend wax thermal actuator
- Stainless steel body, fittings, spring and plug
- Corrosion-resistant – long service life
- Compact - low mass for fast response
- Ram-type plug for tight reliable shutoff
- Operates in narrow temperature band
- Standard fittings are Parker A-LOK but Swagelok are also available
- Self-operating – no external power source required
- Eliminates live steam losses
- Downstream actuator for greater sensitivity
- Unaffected by pressure variations
- Wide choice of set points
- Operates in any position
- Easy to install
| Series | TV/HAT |
| Description | 1/4" TV/HAT-SS-SW |
| Size | 1/4" NPT |
| Diameter-in | 1 |
| Diameter-mm | 25 |
| Length-in | 4.4 |
| Length-mm | 112 |
| Weight lb | 0.5 |
| Weight kg | 0.2 |
| Cv | 0.5 |
| Maximum Operating Pressure | 300 PSIG (20.7 BAR) |
| Maximum Temperature | 150°F(66°C) over set-point-limit 300ºF(149ºC) |
| 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, 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, 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 |
| Fittings | Parker A-LOK or Swagelok |
| Isometric View | Download |
| Front View | Download |
| Top View | Download |
| Side View | Download |
