Dear Customers and Business Partners,

Thank you for your interest in our products and services. Effective October 28, 2025, the DMH Group was acquired by the Freudenberg Group. The operational business of the DMH Group will continue as usual. Detailed information about Freudenberg Sealing Technologies and the Freudenberg Group can be found at www.fst.com.

As part of the integration, we will also update the design of our website. You will continue to find an overview of our products and services.

If you have any further questions, please contact your representative or send us a message via our contact page.

Seals
DMH Dichtung Kolbendichtung

The product

Piston seals seal the sealing gap of the piston towards the outside of the cylinder wall. They separate the two pressure chambers of the cylinder, which may be subjected to different pressures depending on the mode of operation. In this way, piston seals ensure the performance of the cylinder. DMH brand piston seals are characterized by high functionality and a long service life. Depending on the application, they are designed as single or double-acting, as lip rings, piston seal sets, or compact piston sealing systems.

Overview

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Seals

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