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Mechanical Temperature Measure

  • Product Type: WIKA
  • Place of origin: Germany
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  • Price Terms: FOB, CIF
  • Payment Terms: L/C, D/P, T/T
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Products Information

Thermowell TW40 (fabricated), with flange
construction for exotic materials
similar to DIN 43772 Form 2F, 3F


* Petrochemical, plant engineering
* High chemical loads
* For low and medium process loads

Special Features

Design acc. to DIN 43772:
* TW40-D: similar Form 2F (straight tube)
* TW40-E: similar Form 3F (tapered tube)

Form 3F is designed for fast response time
All wetted parts made of exotic material. Non-wetted flange made of stainless steel.
For tantalum a removeable cover is used.




Thermowell material:

Hastelloy C4 (2.4610), Hastelloy C276 (2.4819), Monel 400 (2.4360), Titanium Gr.II (3.7035), Tantalum (with removeable cover) 


Blindflange per EN 1092-1 /  DIN 2527 / ASME B16.5

Instrument connection:

M24x1.5mm running nut
½ NPT, G ½ female thread

Bore size:

9.3mm ( tube 13.7x2.2mm) for exotic materials
Ø 6.1mm, Ø 7mm, Ø 9mm for tantallum cover

Insertion length U1:

To customer spezification

Total length L:

To customer spezification ( U1 + minimum 80mm)


Other flanges, dimensions, bore sizes and materials
Quality certificates
Wake requency calculation per Dittrich/Klotter are recommended in critical applications. WIKA offers this as an engineering service.

This thermowell replaces the old models:




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