Merge of Pipetronics and Pipe-Seal-Tec

We are pleased to announce that effective January 1st, 2022 Pipe-Seal-Tec GmbH & Co. KG merged with Pipetronics GmbH & Co. KG.
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Salon Ville Sans Tranchée

29. - 30. May 2024 in Paris, France
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Pipetronics In-house Exhibition 2024

12. June 2024
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22. Deutscher Schlauchlinertag and 13. Deutscher Reparaturtag

17. - 18. September 2024 in Kassel, Germany
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Nürnberger Kolloquien

26. September 2024 in Fürth, Germany
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RedEx®-Internal sealing collar

Our RedEx® internal sealing collar is suitable for accessible pipelines in the approval range DN 800 - 2400 (possible up to DN 6000) and liner end collar (LEM) DN 200 - 1200 (possible up to DN 6000) for partial repair and sealing of leaking sockets and damaged areas. Special profiles are possible on request.


Technical data

Means of use:
Potable water, service water, waste water, salt water, oil, gas, alkalis, acids

Rubber grades:

Steel cross-sections:
Flat steel 50 x 5 mm; 50 x 8 mm; 50 x 12 mm

Stainless steel quality:
1. 4404, AISI 316 L; 1. 4571, AISI 316 Ti, 1. 4307, AISI 304 L according to EN 10 020

Internal pipe pressure (test pressure) up to 25 bar, external pipe pressure up to 8 bar (infiltration), vacuum/vacuum suitable and adapted, tested for dynamic load changes (10 million load changes from -0. 9 to +10 bar).

Bends, pipe tolerances, dimension changes, pipe misalignments:
- Segment arcs, D-bends and T-pieces on request
- Compensation of standard tolerances in pipe diameter sealing of dimension changes (RedEx Connect)
- Larger defects in line offsets (RedEx Connect)
- Pipes with sleeve displacement and axial offsets

Temperature ranges:
-20° C to 140° C (EPDM), different temperature ranges on request

Pipe materials:
Vitreous ceramic, steel, reinforced concrete, concrete, asbestos cement, grey cast iron, GRP, PP pipes, PE

Cuff profiles/widths:
260 mm, 360 mm, 500 mm; special widths or conical transitions on request

What can we do for you?

Of course, we provide you with the nominal width related tool for the installation of our RedEx® collar on loan or for purchase. Please contact our sales office in Gelsenkirchen, phone +49 (0) 209 38655-200 or e-mail seals(at)