For each measuring point requirement the optimum thermowell

Thermowells from WIKA are used with demanding operating conditions both in solid-machined versions from solid-body material and in fabricated versions with tubular design. The variants offered differ mainly in their designs; with flanges, with threads for screwing in or for welding in. Furthermore, all connections for sanitary applications and also thermowells in solid-machined Van-Stone design are available without weld seams. The selection of materials and the manufacturing of the thermowells in accordance with global standards or to customer specifications ensure optimal protection for the sensor.

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FAQ

Why do older themocouple designs often have a spherical tip?

In the past, HSS drills were used with a tip angle of 118 ° for the production of thermowells.  In order to achieve a possible uniform wall thickness, the tip was ball-shaped or spherical in shape.  The current state of production technology enables t ... More

Why do some users specify a polished thermowell surface, and others define a high roughness or knurling of the area in the flow?

This depends on the usage of the thermowell.  A polished surface has a higher corrosion resistance than a rough surface.  The rough or knurled surface has an advantage with respect to the vibrational excitation by the Karman vortex street, meaning such th ... More

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