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DD 3250

DD 3250 Weld-in thermowell with Helical strikes

Datasheet View catalog


DesignMachined and drilled from bar stock with machined spiral finish. Reduces vibration and gives a better temperature reading with smaller tip diameters.
Final design according to:
ASME PTC19.3 TW2016
ASME Report nov. 2011, vol. 133/041102
MaterialsSS316, SS310, SS321(H), SS347(H), Monel 400, Inconel 600, Hastelloy C276
StraightStandard diameter 22 mm, or to be specified
ConicalDiameter from 25 to 20 mm at the tip, or to be specified
Stepped20 mm, reduced point L=78mm x d=12 mm
Flange connectionLap joint flange, to be specified according to thermowell diameters
Bore6.5mm standard, other diameters possible
Bottom thickness5.0mm standard, other thicknesses possible
Protective coatings such as HALAR, PFA, Ruby Red
Radiographic test (X-ray)
Also possible as our standard FT3060 thermowell with welded flange

Customisation possibilities

You can remark the customisation in your quote

Productcode DD 3250
Length in mm
Root diameter in mm
Tip diameter in mm