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Nuclear / Fusion

Innovative
solutions

Our customers benefit from our experience with the complex requirements for processes, documentation and quality checks. We use our expertise to find customized and innovative technical solutions.

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Realized
projects

Expansion joints for a research institute

This expansion joint is a customized solution for an international research institute and the bellows will be installed in a nuclear fusion reactor.
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Single-ply expansion joint DN 400

This tailor-made single-ply expansion joint has been specially manufactured for high vacuum application and will be installed in a fusion experimental reactor. The bellow has been designed according to EN 14917 and leak tested <1x10^-9mbar*l/s.
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Expansion joints for innovative future technologies

These single-ply expansion joints DN 200 are designed, manufactured and tested for a research institute, which is a spin-off of MIT's Plasma Science and Fusion Center. To meet the conditions in the high field tokamak, a helium leakage rate of <1 x 10-9 mbar*l/sec is needed.
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Double-walled expansion joints

Two types of double-walled expansion joints (DN 150/250 and DN 250/350) with permanent leakage control, ISF connection and outside protective sleeve. Bellows are designed according to EN 14917 for ultra-high vacuum application for a nuclear fusion reactor for an international research institute.
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Cryostat expansion joint DN 500

Application: Wendelstein 7-X fusion reactor Technology: A expansion joint during the bake out phase, which allows a Helium Leakage Test of 10^-9mbar.
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Lateral expansion joint DN 900

Lateral expansion joints for steam extraction pipe in a nuclear power plant. Design according to EN 13480 / PED Module H
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Flange expansion joint 33 inch

Expansion joints and flanges with maximum permeability made entirely of 1.4429. Application in an American fusion reactor. Ultrasonic cleaning and electropolishing.
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CF Flange expansion joints

Expansion joints and flanges with maximum permeability made of 1.4429 Used in an American fusion reactor. Ultrasonic cleaning and subsequent electropolishing.
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Multi-ply rectangular bellows

Multi-ply rectangular bellows 1096/494 for the fusion reactor Wendelstein 7-X. Material 1.4429 (maximal permability 1.01 μ, limited cobalt content). Including a permanent leakage control device during operation.
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Industrial
customers

The
Customer testimonials

"kompaflex is a very competent and flexible partner. Especially in basic research, flexible thinking and creative solutions are essential. Thanks to its extensive experience and technical know-how, kompaflex is able to master even the most difficult tasks. The extremely high quality and technical requirements of CERN are always met."

Jean-Marc Malzacker
CERN

"kompaflex is a very experienced partner with a great deal of expertise in all shapes and sizes of expansion joints. Other manufacturers of expansion joints and bellows were not able to offer us customized solutions. They were only able to offer their standard products."

Hanspeter Marti
Babcock Noell

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