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 helium leak test?

For leak testing in accordance with DIN EN 1779 (1999) / EN 13185, helium 4.6 is used as a test gas. The test is able to detect minimal leakage rates and is considered the most sensitive test method for leak testing. In general, one should distinguish between an in ... More

What is the appropriate sensor length for a thermometer within a thermowell or protection tube?

For mechanical thermometers, the sensor must have no contact with the bottom of the bore, rather it must be arranged with an air gap of 2-5mm.  For electrical thermometers, the sensor is spring-loaded, since the sensor tip must be touching the bottom of the bo ... More

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