991 Weld-on pieces

Weld-on pieces

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  • To install heat sinks or complete temperature sensors in cases when it is possible to make a bore with a connecting thread directly inside the piping wall, i.e. when wall thickness is below 30 mm, they are welded onto the piping or technological equipment;
  • Weld-on piece with a threaded ring is used for the installation of rod temperature sensors with metal protective tube with ∅ 14 mm; with the use of it, it is possible to set-up the required immersion of the sensor but it cannot be changed afterwards;
  • For the environment, which requires seismic resistance 1 Hz to 33 Hz, acceleration 3g, the test report is issued for the following types of weld-on pieces:
  • 991 NVP5 M33 72
  • 991 NVS5 M33 15
  • 991 NVS5 M33 72


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  • Pražská 470
  • 50901  Nová Paka
  • Czech republic
  • Telephone: +420 493 761 394
  • Fax:
  • E-mail: david.franek@zpanp.cz