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HKS is one of Europe’s leading manufacturers of expansion joints and hoses – with more than 40 years of experience. More ¼than 5,000 customers in over a hundred countries around the world trust HKS products.
HKS is especially known for its expansion joints made of different metal and rubber qualities. Expansion joints are used in a variety of ways, for example in machine and plant design and in the equipment and shipbuilding industries. HKS’s strengths are its wide range of expansion joints and continuous product development.
Expansion joints are single or multilayer layered joints made of different metals with high expansion absorption and low spring constants. Expansion joints are used for example in exhaust gas, district heating and blast furnace pipelines, mechanical engineering, construction of accessories and equipment, and sprinklers.
Expansion joints can accommodate axial and lateral movements. Shapes can be round or in a parallelogram and everything in between. Stainless steel expansion joints are used in various pipelines, energy and offshore technology, as well as in the food, pharmaceutical and petrochemical industries.
Sizes DN15–DN3000
Operating temperature up to 1000 °C
Pressure resistance PN1–PN100
The shape of the cross-section is round
Materials, e.g., high-alloy steels (1.4541, 1.4571, 1.4828, 1.4878, etc.)
Mixed various Ni alloys (2.4856, 2.4858, etc.)
HKS rubber and PTFE expansion joints are available in several different rubber qualities. As a rule, they are used in diesel or gas engines, chemical plants, in the food industry or in heating and sanitary facilities, as well as in wastewater treatment plants. Rubber expansion joints are also suitable for vacuum systems.
Sizes DN20–DN3200
Operating temperature up to 130 °C
Pressure resistance PN1–PN25
As materials such as, e.g. Butyl II-R / EPDM Compound, CR (Chloroprene), CSM (Hypalon®, Chlorosulfate Polyethylene), EPDM, FPM (Viton®), NBR (Nitrile, Nitrile Butadiene Rubber), PTFE
