Twin-Wall Tube & Fittings

Dockweiler Twin-Wall Coax pipe is a pipe-in-pipe solution in various surface qualities for handling hazardous gases, liquids and media
  • Consistent quality
  • Comprehensive quality control
  • The tubes can be packed in cleanrooms
  • Welding tests are performed to ensure a high quality
  • Tubes, bends and t-pieces are available for this Twin-Wall variant

Dockweiler ensures an uncompromisingly high quality of your tubes and fittings and is both ISO9001 certified and produces according to ASME BPE

Dockweiler has more than 45 years of experience in the manufacture of tubes and fittings with specific surfaces and qualities for sanitary applications. Dockweiler has a particular focus on being a leader in the pharmaceutical industry.
DN6 - DN38
Surface roughness
Ra<0.25 - Ra<0.8µm


Variant Description Datasheet
Safetron Internal surface sanded down to Ra≤ 0.4 µm. Choose anodic cleaning or electropolishing (Ra ≤ 0.25 µm)
BPE-Direct The inner surface is sanded down to Ra ≤ 0.51 µm SF1. Select electropolishing SF4 (Ra ≤ 0.38 µm)

Do you have questions or need help finding tubes and fittings of the right quality?

We are always available if you have questions or need advice on choosing the right quality for your intended application.
Conni Gram Sønderskov
Internal Technical Sales

Dockweiler’s uncompromising quality is the alpha and omega when you need tubes for your applications

The quality of the Dockweiler is crucial and you are therefore always guaranteed a comprehensive quality control and that your tubes and fittings are of a high quality.

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Contact a specialist for more information

Contact us if you need help or advice in choosing your Dockweiler coax tubes or fittings in a quality that meets your needs.

Jens Christian Jeppe