Welding sleeves


  • typically used with welded thermowells or threaded thermowells
  • welding sleeves are equipped with or without thread
  • threadless sleeve is first welded to the process pipe and then bored to precise inner dimensions, thermowell type D1/S, D4/S, D1, D4 or D5 is then welded to the sleeve
  • sleeve and thermowell must be same material for the welding to succeed
  • welded thread sleeve is also first welded to process pipe, threaded thermowell is installed to the sleeve after
  • 3D step models available on request.

Typical applications

  • energy and power plant technology
  • process industry
  • chemical industry
  • machinery and vessel construction
  • manufacturing industry.


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Lapp Automatio's sales offices in Vantaa, Tampere, Turku and Oulu opening hours
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