Rieger has been delivering high-quality stainless steel valves, components and installation solutions for food, pharmaceuticals, chemicals and the process industry for over 70 years.
A family-owned company from Aalen, part of the Neumo Ehrenberg Group, globally recognized for hygienic design, modular technology and strict certifications.
About Rieger – Neumo Ehrenberg Group
Rieger GmbH & Co. KG is a family-owned company based in Aalen, Southern Germany, and has been part of the internationally operating Neumo Ehrenberg Group for over seventy years. The company specializes in the development and production of hygienic valves and stainless steel process components. From its modern production facility in Aalen, Rieger supplies solutions worldwide for process installations where hygiene, precision and reliability are key. Rieger’s products are designed for use in the food industry, pharmaceutical manufacturing, chemical processing and biotechnology.
What does Rieger do?
Rieger focuses on designing and manufacturing hygienic valves and system components that meet the strictest international standards, including EHEDG, 3-A Sanitary Standards, ATEX and PED. All products are made from high-quality stainless steel, primarily AISI 316L, and feature a highly polished finish for optimal cleanability. In addition to standard components, Rieger also develops customized solutions that precisely match specific process requirements. The expertise in hygienic design is evident in every detail: from minimized dead spaces to optimal CIP/SIP cleanability and easy integration into existing systems. The company also places great emphasis on digitalization and automation, offering smart actuators and modular signal modules for process monitoring.
What does Rieger supply?
Rieger’s product range includes a wide selection of stainless steel process valves, such as aseptic valves, mixproof valves, inclined seat valves and double-seat variants. These valves are designed for applications where sterility, safety and control are essential. Rieger also supplies various process components such as flanges, pipes and tank accessories that contribute to the reliability of a complete installation. In the field of automation, Rieger provides suitable solutions such as pneumatic actuators, detection systems and positioning modules. Thanks to the modular design of their products, installers can quickly switch between manual and automated versions without modifying the base components. For customers with specific requirements, Rieger also offers customized solutions, with design and execution fully tailored to the intended process and corresponding certifications.
Rieger and Rodesta
As a partner of Rieger, Rodesta provides support in the selection, configuration and delivery of high-quality valve solutions. Combining German quality, hygienic design and flexible system integration, Rieger is a reliable choice for any production process where safety and cleanliness are paramount. Rodesta ensures that customers benefit from proven technology, comprehensive documentation and custom solutions where needed — fully aligned with industry, application and installation requirements.
