Precision Tubing

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Permeaflex - flexible aluminium tube

Hydro Aluminium Precision Tubing has developed a flexible aluminium tube, which is vibration absorbent and permeation tight for low pressure liquid and gas lines.

Promising results have been achieved leading to the advantages which include:

  • Permeation tightPermeaflex
  • Flexible assembly
  • One material throughout the entire tube
  • Elimination of connections
  • Increased crash integrity
  • Vibration absorbent
  • Cooling properties
  • Recycling friendly

In addition, Hydro's flexible aluminium tube concept eases assembly of components especially in tight spaces.

Hydro's flexible aluminium tubes are available in different alloys and surface conditions. Other alloys are available upon request. By collaborating with leading universities and R&D centers, a significantly improved flexibility has been achieved, through bellow and manufacturing process design. Hydro's flexible aluminium tube is the first of it's kind on the market. By combining the latest forming theory, utilising state of the art simulation technology and Hydro's extensive aluminium processing knowledge the concept offers our customers the optimal flexible tube solution!

Some of the applications identified for Hydro's flexible aluminium tube:

  • Air conditioning lines
  • Power steering cooling
  • Turbo draining tube
  • Fuel filler tube
  • Fuel lines
  • Oil & Water lines
  • Gas and liquid lines

Hydro's flexible aluminium tube is not restricted to the automotive industry, and is equally applicable to any application where vibration absorption, ease of installation and cooling is required. Based on many years of experience, Hydro Aluminium Precision Tubing is in the position to be a competent, co-operative partner starting at the product development stage. This often results in reduced development costs and a competitive end product with higher quality.

Various dimensional ranges depending on applications and surface conditions are available, upon request.


Alloy Designation

Surface Conditions

Hydro Aluminium Internal designation

According to EN 573-3

Uncoated tubes

Hycot™/® PA-12 coated tubes
Numerical Chemical
3103 EN AW-3103 AlMn 1 YES YES
5049 EN AW-5049 AlMg2Mn0.8 YES YES
HA 9048 Long life alloy YES YES

 

External DiameterWall thickness
8 - 40 mm 0.7 - 2 mm
Updated: March 31, 2008
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Permeaflex - flexible aluminium tube