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PE-Xa extrusion lines

Maintools TSK's PE-Xa process is based on twin-screw extrusion and short-wave infrared heating. Pipe production is in accordance with the relevant PE-X standards including i.a. ISO 15875, ASTM F876, DIN 16892.

Produktdetails

Crosslinking process for PE-Xa pipe production

During the PE-Xa extrusion process, the PE-Xa pipe is fully cross-linked by inline infrared radiation. Since this process takes place before the tube enters the vacuum tank, subsequent reworking is not required. As the IR unit passes through the manufacturing process, the peroxide decomposes into reactive groups which split off hydrogen atoms from the polyethylene molecular chains. At the thus released binding sites, the molecular chains of the polyethylene crosslinked. The residence time in the IR oven, the radiation intensity of the IR emitters and the throughput speed of the tube are significant influencing factors. By integrating an air cooling system that adapts to the existing production rate, the pipe is protected from overheating during the curing process.

url_PE-Xa

Degree of crosslinking over 70%

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Applications

Anwendungsbeispiel1-150x130  Anwendungsbeispiel2-150x130

Features


  • Crosslinking during the extrusion process, initiated by infrared radiation, no post-processing required
  • High production speed of up to 25 m / min depending on the pipe size
  • Extremely low melting temperature
  • Optimized snail
  • High and stable output
  • Fast and error-free screw extrusion
  • Optimized tube head geometry
  • Extruder size according to output
  • Optimized wavelength / optimized per
  • formance
  • Effective mix
  • Degree of crosslinking over 70%

Advantages


  • High flexibility
  • High resistance to low and high temperatures
  • High scratch and notch strength
  • Higher resistance to mechanical and thermal stress as well as to chemicals
  • White goods
  • geothermal
  • district heating pipes
  • drinking water pipes
  • plumbing lines
  • air Conditioning
  • Heating cables
  • Gas supply lines

  • Application areas


    • Heating and plumbing
    • Industrial applications