WIKA

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.

FAQ
FAQ

What tests and inspections are stipulated for thermowells and protection tubes?

In accordance with DIN 43772 Point 4.6, all tests and certifications should be agreed between the manufacturer and operator.

What do the markings on  'sealing faces to ASME B16.5' mean?

RF - Raised Face:
Sealing faces with a standard roughness "Stock Finish" 125-250 AARH to B16.5
RFSF - Raised Face Smooth Finish:
< 125 AARH (not defined in B16.5)
RTJ - Ring Joint Groove/RJF Ring Joint Face < 63 AARH to B16.5

Obsolete descri ... More ...

What does ZFP, NDE or NDT mean?

ZFP is the German abbreviation for "Zerstörungsfreie Prüfungen" (non-destructive examinations). The abbreviations NDE or NDT stand for "Non-Destructive Examination" or "Non-Destructive Testing", respectively. This is used to r ...

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