Pyrometer protection tube

Stainless steel tubes
Pyrometer protection tubes

Pyrometer protection tubes protect radiation thermometers or thermocouples from damage.

Zwick has many years of experience producing these special tubes from heat-resistant chrome-nickel steel or ferritic chrome steel on its own machines. Depending on the steel grade selected, they are resistant to reducing or oxidising atmospheres. The leak tightness of the tubes is thoroughly tested under water at an air pressure of 6 bar. Pyrometer protection tubes are extensively used in measurement and control technology, for example in annealing furnaces for temperature measurement, or in power plant and reactor construction.

  • 1.4841
  • 1.4828
  • 1.4762
  • 11 x 1.5 mm to 38 x 2.0 mm
  • Production lengths from 370 mm to 7000 mm
  • Closed at one end possible
  • Special lengths up to 12 m possible
  • Fixed lengths, special dimensions and other grades on request
  • Leak tightness tested at 6 bar under water, not annealed after welding
  • Resistant to reducing or oxidising atmospheres
Areas of application:
  • Measurement and control technology
  • Power station and reactor construction
  • Steel and aluminium production
  • Annealing furnaces and annealing tubes
You are interested in pyrometer protection tubes? Feel free to send us a non-binding product enquiry using our contact form.