Models SWT52G, SWT52S, SWT71G, SWT71S

Thermowell for screw-in or weld-in (fabricated)

Selected documents
Sales contact

WIKA Instruments Ltd.

+44 1737 644008
+44 1737 644403


  • Wide range of applications in vessel, tubing and apparatus construction, machine building and industrial heating
  • For use with models 52 and 73 mechanical thermometers

Special features

  • Cost-effective design
  • Quick adjustability and replaceability of thermometers


Each thermowell is an important component of any temperature measurement point. It is used to separate the process from the surrounding area, thus protecting the environment and operating personnel and keeps aggressive media, high pressures and flow rates from the temperature sensor itself and thereby enables the thermometer to be exchanged during operation.

Based on the almost limitless application possibilities, there are a large number of variants, such as thermowell designs or materials. The type of process connection and the basic method of manufacture are important design differentiation criteria. A basic differentiation can be made between threaded and weld-in thermowells, and those with flange connections.

Furthermore, one can differentiate between fabricated and solid-machined thermowells. Fabricated thermowells are constructed from a tube, that is closed at the tip by a welded solid tip. Solid-machined thermowells are manufactured from barstock.

The SWTxx series of fabricated 1) screw-in or weld-in thermowells are specifically adapted for use with the models 52 and 73 mechanical thermometers.

Due to the cost-effective design and fast adjustment and exchange of the thermometer, these are the thermowells of choice for use in machine building and heating technology.

1) For short insertion lengths (copper alloy) solid-machined version optionally

Thermowell with thread

Thermowell with thread

  • Thermowell with threadThermowell with weld cones
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