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Wide-Ranging in Application and Technology

Zippel was founded in Neutraubling in 1968. The company started by cleaning glassware. Since then, much has happened. Today, we still manufacture systems for the catering industry, although our product range has expanded considerably.

We develop solutions for all types of goods requiring cleaning.

An experienced team cooperates closely with our customers to achieve the best possible results for cleaning parts. We always keep further optimisation to our existing process solutions in mind in order to apply the latest technologies.

As a provider of complete solutions from a single source, Zippel follows a strategic path with its own research and development and takes care of a customer’s requirements during a project: from concept and design, to installation, to support. Our Zippel cleaning machines clean parts of all types and sizes.

We are constantly working to adapt and improve our processes in order to meet your requests.

Quality Mindset

Process development happens in close contact and exchange with our customers. In order to optimise our machines and adapt them to customer requirements, we will fulfil all requests in our project- and process-structured organisation, aiming to implement all requirements. Zippel represents a process-oriented approach, with quality judged against the “zero defect principle”. This way, we achieve transparent and stable processes as a basis for constant improvement: Our processes and products are synonymous with quality.

You will also have a fixed contact from your first message to commissioning and through maintenance thereafter, in order to ensure the best possible service for you

As a full-service provider with a vast vertical manufacturing range, we are your skilled partner throughout the process from A to Z.

We perform test cleaning in our in-house technical centre. Any successful project begins with extensive cleaning tests to record the results and determine the feasibility of cleanliness requirements. Cutting-edge system concepts and the latest application methods ensure reliable preliminary analysis and relevant test results.


We offer our customers sophisticated technical cleaning processes. Since our company has used them for decades, they have been optimally tested and continually expanded. Constant further development allows us to always include the latest technology in our processes. Our research is targeted at increasingly efficient cleaning methods to ensure our customers’ full satisfaction.

Our range includes:

Ultrasound cleaning, immersion degreasing, deburring, degreasing, staining, passivation, phosphating, surface activation and spray cleaning.

Ultrasonic Cleaning

Ultrasonic cleaning imparts a brilliance to a minute level of detail. The cleaning power of ultrasound reaches even inaccessible places to achieve a thorough clean.

This cleaning procedure exposes the parts to be cleaned to ultrasound in a cleaning medium (liquid) by way of a vibration generator. The method uses the cavitation principle, causing microscopic vapour bubbles to form in the liquid and adhere to dirt on the part to be cleaned. These vapour bubbles are dissolved by ultra-frequency pressure fluctuations. This also removes dirt particles from the parts requiring cleaning. The lower the applied vibration generator frequency, the higher the energy released.

This allows us to battle even the most stubborn types of dirt without damaging the material to be cleaned, which may become an issue with other cleaning procedures such as mechanical or chemical cleaning. Ultrasound cleaning removes all kinds of dirt, no matter how inaccessible the areas in question are, to achieve the highest levels of cleanliness.

Immersion Cleaning

Cleaning parts in an immersion bath is a typical method of industrial parts cleaning. Immersion degreasing/immersion cleaning cleans materials by immersing them in a degreasing agent and leaving them there for a certain time. The immersion time depends on the degree of soiling of the part requiring cleaning. A higher temperature in the tank further improves cleaning performance, since some degreasing solutions are more efficient at higher temperatures. Some parts require several immersions, depending on the degree of soiling.


The cleaning system removes sharp burrs, fraying or splinting from the machining or manufacturing process during deburring. This is necessary since burrs may not only impair element function in the end product, but can also cause injuries such as cuts. Zippel uses the deburring process in particular for the removal of very thin burrs from excess material on parts. Both a brush deburring process and high-pressure deburring with water pressure and compressed air are used for this. For example, deburring with air means that air compressed to 450 bar is applied to the workpieces to be cleaned.


Degreasing is necessary before workpieces can be coated. Degreasing agents are used to remove production-related adhesions such as grease, lubricating oil, or corrosion protection oil without any residues. While an aqueous-based solution is used for immersion degreasing, conventional degreasing relies on organic solvents. Immersion degreasing systems are growing more popular for environmental reasons. However, they cannot be applied as universally as organic solvents and must be adapted to the specific process. Zippel’s immersion systems form the perfect solution for degreasing your products.


Staining means treating a solid body with a staining agent to adjust its surface. Staining uses a solution of aggressive chemicals, usually acids or alkalis. The process is used, among other things, to protect the surface from oxidation. It can also be used to colour the surface.


In order to prevent or greatly slow down corrosion, passivation specifically creates a protective layer on metallic materials. This predominantly prevents corrosion, and therefore rust formation, on steel. Other metals require passivation treatment as well, however. Passivating acids such as nitric acid or citric acid are used for this. Special passivation processes including anodising (passivation of aluminium) and chromate coating methods.


Phosphating is a typical process in surface technology. It uses chemical reactions of metallic surfaces with aqueous-based phosphate solutions to form a conversion layer. It develops from firmly adhering metal phosphates. The method is mainly applied on steel. Like passivation, phosphating protects the material against corrosion. Phosphating is also used to promote adhesion and to reduce friction and wear.

Surface Activation

Many untreated metal and plastic surfaces do not display good wettability in their regular normal condition. This is an issue if they are to be painted, glued, or printed on, since glue or paint will simply bead off of the surface. Lacquers and paints with low surface tension will come off, and bonded seams will come apart again. This problem can be solved by surface activation, to increase surface energy (polarity) and improve wettability. Various chemicals, plasma, or UV rays are typically used for this process. The induced change of the atomic structure on a microscopic level ensures that the substances used subsequently adhere ideally to the treated part.

Spray Cleaning

Spray cleaning means that a liquid detergent is sprayed onto the workpiece to be treated with nozzles. This allows contamination on the surface of the part to be partially dissolved by the cleaning medium. The kinetic energy of the spray jet also contributes to washing off contamination. For optimal cleaning of even hard-to-reach areas of the goods to be cleaned, it may be recommended to move the workpiece and/or the nozzles during the process.

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