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The reverse-acting US/S-XR (Ultra Surface Sensing) sample cooler temperature control valve may be installed with the valve’s thermal actuator immersed in the process line or mounted non-invasively to the piping with the optional band-o-let fitting. This allows the thermal wax actuator to be in contact with the process directly or through thermal conduction to regulate the flow of the cooling media. If the fluid is above the desired set-point temperature, the valve will open allowing cooling fluid to flow until the process flow temperature drops to 10°F below the set-point. Once this occurs the valve will modulate closed again providing an optimal environment for the process.
These compact self-contained sample cooler temperature control valves can be used to control cooling media to economically remove heat from equipment or a process. In general, they can be used whenever accurate, low-cost control is required, but a common application is controlling cooling media flow to a sample cooler in response to sample temperature.
- Exclusive self-actuating Thermoloid® wax blend thermal actuator
- Compact low mass – fast response
- Ram-type plug for reliable shut off
- All stainless-steel construction
- Narrow temperature band
- Unaffected by pressure variations
- Self-operating – no external power source required
- Maintains optimal process temperature
- Prevents process overheating
- Discharges minimal amount of media for temperature control
- Long service life
- Quick and easy installation
| Series | US/S-XR |
| Description | 3/4" US/S-XR-S-BAND |
| Size | 3/4" NPT |
| Length-in | 8.7 |
| Length-mm | 221 |
| Weight lb | 1.4 |
| Weight kg | 0.6 |
| Cv | 2 |
| Maximum Operating Pressure | 200 PSIG (13.8 BAR) |
| Maximum Temperature Valve End | 388°F (198°C) |
| Maximum Temperature Sensing End | 150°F(66°C) over set-point limit 300ºF(149ºC) |
| 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 | Buna is standard; Viton, EPDM, and Kalrez are available |
| Additional | Includes Band-O-Let fitting |
| Isometric View | Download |
| Front View | Download |
| Top View | Download |
| Side View | Download |
