Our Invention.
The Original.


Only three of many
application areas for
the HAELOK® system.


An innovative company. A strong brand.


The new development especially for
the district heating technology.

An innovative company. A strong brand. HAELOK®

HAELOK® standard range

High-performance fittings in various designs and dimensions available directly from our own warehouse in Germany. HAELOK® puts great emphasis on quality as well as on the high availability of all standard articles from the catalog.

Single piece to serial production

HAELOK®, in close cooperation with its partners, offers customized fittings as a single piece and serial production. With the help of modern CNC machining centers prototypes or small series can be produced and delivered JUST-IN-TIME.

HAELOK® THERMO – district heating
Especially for district heating technology, HAELOK® has developed its own product line called THERMO®. Successfully used by municipal utilities and district heating specialists as an affordable and safe alternative to welding.

HAELOK®- TOOLS & Accessories
Four different sizes of specially developed press tools, tool inlays and the right accessories complete the HAELOK® system. Packed in special suitcases, the whole system is easy to transport.

HAELOK® doesn’t just offer fittings. HAELOK® offers a complete system.

Application training
The HAELOK® Team trains partners and customers on the correct application of the system.

In addition to the ISO 9011 certification, HAELOK® has numerous product-related certifications.

Job offers for highly motivated as well as technically and personally convincing personalities.

Here you will find an overview of our current HAELOK® product catalogs. Available as PDF-download.

Always up-to-date information about the entire group of companies and the HAELOK® system.

An overview of videos on HAELOK® technology, innovation, industries and references.


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HAELOK® – the system

HAELOK® is the leading, pure metal to metal press fitting connection system for the industry, energy technology, district heating and technical oil and gas.
The high-performance compression fittings are designed for extremely high pressures and temperatures as well as a fast and secure press connection without sealing elements and welding. The own developed press tools guarantee the same quality of each individual press connection in existing or new systems at all times. A perfect connection in a few seconds.

HAELOK® – Inventor. Generator. Trendsetter.

HAELOK® – brand & company

HAELOK® stands for a strong brand and innovative company. The global company based in Zurich, Switzerland, is considered to be the world’s leading system provider and the engine of technological progress in the field of pipe connection without welding and elastomer seals.
What drives HAELOK® is the passion for innovation and technology. With the brand slogan “SWISS PRECISION”, HAELOK® offers high-quality product and service solutions. Through distribution partners, the label is present worldwide.

HAELOK® – An innovative company. A strong brand.

Own research & development

Our own research and development are the core of the company and crucial for the sustainable success of HAELOK®. An experienced team of specialists works daily on the development and advancement of the product portfolio of high-performance compression fittings and press tools. The entire development and manufacturing process is governed by HAELOK®, ensuring a quality and technological advantage.
HAELOK® – Our invention. The original.