US/S-XR Sample Cooler Temperature Control Valve

Operation

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.

Typical Applications

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.

The US/S-X direct-acting valve can also be used to regulate the flow of heating media to prevent a process from overheating.

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