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Quality Control of Metering and Gear Pumps

Extensive tests and supreme quality control of manufactured micro pumps to impress even the most demanding customers in the market.

Our commitment to quality: 180 employees, 100 percent commitment to highest quality demands.

For us, quality is more than just a word: quality is our conviction, our product philosophy, and is what we do on a daily basis. From product development in California to production in Switzerland, to providing support to our customers, there is only one standard we live by: to offer only the very best. We know that our customers expect exactly that from us, and we always strive to go one step further and exceed those expectations.

All raw materials can be traced back 100 percent by batch to their origins. All products are tested 100 percent prior to shipping. In order to ensure high quality long-term, we continuously invest in training, equipment, research and development.

Customer Care

We support our customers around the clock. They receive rapid support and detailed reports. The result: customer satisfaction that is second to none.

Engineer to Engineer

We always talk engineer to engineer. We implement your requirements in the best possible fashion and work closely with you towards an optimal solution every step of the way.

PTR – Performance Track Record

With over 2.5 million of our pumps in operation throughout the world and a return rate of well below 0.1 %, our high quality speaks for itself. Customer satisfaction simply does not get more impressive than this.

Swiss Quality

Our products are manufactured in Embrach with world famous Swiss precision. The results are minimal service costs and high customer satisfaction.

100% Outgoing Test

Before any pump leaves our factory, it is stringently and extensively tested in accordance with its specifications. Our customers receive detailed reports, saving them time and money.

Leading Warranty

Our promise of quality is accompanied by guarantees unmatched in our industry. We‘re here to make sure that you impress even your most demanding customers.

Tailor Made

Every pump that leaves our factory is made to measure and designed exactly according to the technical requirements of our customers. Furthermore, they can always be retraced through their laser markings.

Rapid Prototyping

Our work is fast and solution-oriented. Once the specifications are finalized, you can test the prototype in your application within 7 days.


Our pumps are always constructed to deliver the same quantities with consistency and reliability. From prototypes to final products, every pump is of equally excellent quality.

Quality Policy

Diener Precision Pumps is committed to maintaining our position as the quality leader in our industry. Our Swiss micro pumps manufacturing and California engineering groups continuously review and improve quality management processes to exceed customer, supplier, employee, management, societal, and legislative expectations.


sqs iso 9001 certification logo IQNet 9001 certification logoNSF Accreditation


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With their excellent delivery accuracy and consistency, DPP precision pumps are perfect for applications where your flow needs to be perfect each and every time.
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