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Impressive solutions
PURIMA is the industrial parts cleaning specialist. For over 25 years our passion has been developing and manufacturing innovative and custom system solutions, while working closely with our customers. Every day, our equipment is used by customers around the world in a range of industries, especially in the automotive, space and aerospace, rail and traffic engineering fields and also metals and plastics. We work together with our customers to ensure the required cleanliness standards are met using the right process from our own in-house technology range.
People build machines
Our professionals are there to assist our clients with advice, assistance and expertise: They are our greatest asset - highly qualified experts working consistently to implement the highest quality PURIMA® technical solutions. Innovative cleaning technologies such as ultrasound, spray cleaning, pressure flooding, injection flooding or high pressure water cleaning form the basis of our developments.
Global – InternationalTo help meet the requirements of a global customer base, we have selected the DENIOS Group as a partner. This means we have access to a wide network of branches in Europe, the USA and Asia. This new focus and direction has led to a change to our 25 year old company name, from RPE Pape Anlagentechnik GmbH & Co. KG to PURIMA GmbH & Co. KG.

Since 1931 Walther Trowal has been developing and producing systems for the refinement of surfaces. Initially focusing exclusively on mass finishing – the term “Trowalizing” originated from the company’s cable address “Trommel Walther” – Walther Trowal has continuously expanded its product portfolio.
Over time the company has developed a broad range of machinery and systems for mass finishing, shot blasting and coating of mass produced small components.
With the invention of new systems like, for example, drag finishing and the development of special finishing methods for 3D printed components, the company has proven its innovative capabilities again and again.
Trowal develops and implements complete surface treatment solutions that can be seamlessly integrated into linked production systems existing at the customers. This includes the entire process technology, perfectly adapted to the specific surface finishing requirements of the work pieces: Equipment and the respective consumables always complement each other in a perfect manner.
Each individual work piece and each manufacturing process must meet special technical requirements. That is why the experienced process engineers in our test lab, in close cooperation with the customers, develop the optimal process technology for the finishing task at hand. The result: Work piece surfaces that meet exactly the required specification with short processing times and a high degree of consistent, repeatable results.

Planning, implementation, project management, service - from joint planning through commissioning and beyond we provide you with the experience of our engineering and installation teams.
Our conveyor systems are used for the intra-company flow of materials of general cargo, as well as for linking production machines. We deliver complete conveyor systems for, among others, the food, beverage, glass and chemical industries.
Installation & Commissioning by our experienced specialist installers worldwide Highly specialized installers available at any time
Production support, line optimization, spare parts inventory, conversions - a well-stocked warehouse and our metal-cutting production ensure a reliable supply of spare parts.