Thermo-Kinetics Measurement & Control Ltd.
6740 Invader Cres, Mississauga, Ontario, L5T 2B6 Canada View map
www.thermo-kinetics.com
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Thermowells Catalogue Catalogue


Thermowells are principally used with Thermocouples, RTDs (Resistance Temperature Detectors) and Bimetal Thermometers in applications where it is necessary to measure temperature at high pressure (above 75 psig) or in hostile environments.

Thermowells are machined from solid barstock. Safe working pressures depend on the well material, operating temperature and the velocity of the flowing medium.

Tapered wells are used in many process applications and provide greater strength, faster response times and more resistance to vibration than straight wells. The taper provides a higher natural frequency which permits use at higher fluid velocities. The reduced tip on a straight well improves response time when it is used with a length sensitive sensor such as an RTD or Bimetal Thermometer.

Thermowells are more likely to fail from vibratory stress than from the effects of temperature and pressure.

ASME calculations can be used to determine if the selected thermowell dimensions are adequate to withstand the specified service conditions of temperature, pressure, velocity and vibration.

Thermo-Kinetics stocks a complete range of standard thermowells to meet most applications. Flanged, Socket Weld, Van Stone, Ground Joint and Weld-in thermowells are also available. Special wells in various materials, sheaths and coatings are also available to meet unique requirements.

A Material Selection Guide is included in this Product Reference Guide.

Please visit www.thermo-kinetics.com/thermowells for a further explanation and a program to help you determine acceptable thermowell dimensions.


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