Protection tube for thermometers type D


Product description


Protection tube for thermometers type D

Protection tube SIKA 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)


  • Steel
  • Stainless steel


  • Neck tube 165 mm, M18 x 1.5 / M24 x 1.5, steel, nickel-plated
  • Double threaded adapter M18 x 1.5 / M24 x 1.5, steel, nickelplated
  • Plug screw M18 x 1.5, brass





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