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 meant by double-certified materials, such as "SS 316/316L"?

Dual certified materials fulfil the requirements of the individual materials.  The material SS316 has, per ASTM A182, a maximum carbon content of  0.08 %;  the material SS316L (L=low carbon) has a maximum carbon content of 0.03 %. Steel alloy, with, ... More

What is the maximum permissible temperature for thermowells and protection tubes?

The maximum temperature depends on the materials used and the standards which must be met.  So, for example, a standard stainless steel can be used in air up to about +900 °C, the maximum operating temperature is approximately +600 °C and an approval c ... More

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