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Weld-in Thermowell (Solid-Machined) - TW20
Brand: WIKA Instruments Ltd.The TW20 series of solid-machined weld-in thermowells are suitable for use with numerous electrical and mechanical thermometers from WIKA.
Due to the heavy-duty design, these international design thermowells are the first choice for use the chemical and petrochemical industries and in plant construction.
Features- Different dimensions for standardised welding sockets.
- International standard.
- Possible thermowell forms:.
- Model TW20-A: tapered.
- Model TW20-B: straight.
- Model TW20-C: stepped.
- "Quill Tip" version (with open tip).
Specifications
Versions
- Design TW20-A: tapered
- Option: Injection quills version
- Design TW20-C: stepped
- Design TW20-B: straight
Thermowell Materials
- Other materials on request
- Special materials
- Stainless steel 1.4571
- A105
- Stainless steel 304/304L
- Stainless steel 316/316L
Process Connection
- Other threads on request
- Ø 48.3 mm [1.5 in]
- Ø 33.4 mm [1 in]
- Ø 26.7 mm [3/4 in]
Connection to Thermometer
- Other threads on request
- “Quill Tip” version with weld-in connection 1/2" and 3/4"
- G ½ female
- 1/2" NPT Female
Bore Size
- Ø 8.5 mm [0.355 in]
- Ø 6.6 mm [0.260 in]
Insertion Length U
- To customer specification
Connection Length H
- To customer specification
Max. Process Temperature, Process Pressure
- - Density of medium
- - Flow rate
- Process conditions
- - Material
- - Dimensions
- Thermowell design
- Depending on:
Wake Frequency Calculation (Option)
- Per ASME PTC 19.3 TW-2016 recommended in critical applications as a WIKA engineering service
- For further information see Technical information IN 00.15 “Wake frequency calculation”.
