Protection Tube for Thermometers type D

The SIKA protection tube for thermometers type D, to be welded in. Made of solid material. Meets DIN 43772, form 4. The protection tube and the thermometer are either connected with a double threaded adapter or with a neck tube. This combination provides the required installation length. The screwed sealing plug helps to prevent contamination when assembling the protection tube.


Insertion length

D1 version (l=140 mm, U=65 mm)

D2 version (l=200 mm, U=125 mm)

D4 version (l=200 mm, U=65 mm)

D5 version (l=260 mm, U=125 mm)



Stainless steel


Special lengths

Other connection threads

Other materials

Test certificates according to EN 10204

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