Thermowells / protection tubes

For each measuring point requirement the optimum thermowell / protection tube

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

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FAQ

What is a dye penetrant test?

With the penetrant test in accordance with DIN EN 3452-1, fine surface cracks and porosities in weld seams can be made visible. After cleaning the surface to be inspected, a contrast agent (red or fluorescent) is sprayed on. Through the capillary effect, this agent ... More

Why do modern protection tubes mainly have female threads for thermometer connections, and not male threads as in older specifications?

The risk of damage with  female threads is less than with male threads.Since the replacement of protection tubes is always fraught with difficulties. Since it allows the thermometer to be removed without difficulty while the plant is running, this configuratio ... More

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