Pyrometer protection tubes

Zwick Edelstahl is one of the most renowned manufacturers of welded pyrometer protection tubes. On our ultra-modern machines, we produce these round tubes in grades 1.4841, 1.4828 and 1.4762.

  • Production in dimensions ranging from 11 x 1.5 mm to 38 x 2.0 mm
  • Manufacturing lengths from 370 mm to 7000 mm
  • Closed at one end possible
  • Customised lengths of up to 12 m possible
  • Fixed lengths, special dimensions and other materials upon request
  • Leak tightness tested under water at 6 bars, not annealed after welding
  • Resistant to reducing and oxidizing atmospheres

Fields of application:

  • measurement and control technology
  • power plant and reactor construction
  • steel and aluminium production
  • in annealing furnaces for temperature measurement and as glow tubes