Dunze GmbH offers planning and design tasks of high-pressure components for customers. This includes design and drawing of the components, acceptance and other services needed for preparing the production of high-pressure products.

Pressure equipment acceptance

We also offer pressure equipment acceptance services for customers according to current regulations. If needed in cooperation with the responsible supervisory authority.

Assembly and assembly supervision

Dunze GmbH also offers the assembly of high-pressure systems on the customers’ side. This includes the qualified conduct, pressure test and acceptance of the system.

Pressure and burst tests

We perform pressure and burst tests for pressure up to 14,000 bars.

Load alternation tests

We perform load alternation test for pressures up to 10,000 bars.


We autofrettage hyraulic components with pressure up to 16,000 bars.

Maintenance and repair work

We offer maintenance and repair works for our hydraulic components for and affordable price and withing short time.