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WECO internal pipe seals have been used since the 60s of the last century for sealing of pipelines and sewage tunnels.

Due to installation times, reliable and durable sealing and low process costs, this technology attracted interest worldwide more and more. Now it is successfully used in all over the world.

Today’s rapid development of pipe and channel repair and rehabilitation methods does not diminish the importance of this procedure. On the contrary, modifying product components has resulted in a more diverse application of WECO internal pipe seals.

The internal pipe seals are widely used in energy and water resource engineering. Their wide application range includes, among others, piping systems for the following:

drinking water, waste water, water for industrial use (e.g. in the chemical industry, in cooling water pipes in power plants), fuels, gas, ...

The WECO internal pipe seals are or were used in the following countries:


  • Germany
  • Netherlands
  • Belgium
  • Italy
  • Spain
  • France
  • Austria
  • Hungary
  • Czech Republic
  • Slovakia
  • Slovenia
  • Bulgaria
  • Romania
  • Ukraine
  • Russia
  • Norway
  • England
  • and others



  • China
  • Japan
  • India
  • Jordan
  • Saudi Arabia
  • Singapore
  • UAE


  • USA
  • Chile

Reference Gallery

WECO internal pipe seals

WECO - liner-end seals (pressure pipe)

WECO - liner-end seals (sewer)

WECO - seals (egg shaped)

WECO - seals (mouth profile)

WECO - seals (parabolic profile)