Company Profile and Legacy
KRAIS Tube Expanders boasts nearly 40 years of experience as a prominent manufacturer of high-quality tools and machines for tube and pipe processing. The company prides itself on its independence and commitment to quality, highlighted by its extensive in-house production, covering almost 99% of its parts. This approach ensures stringent quality control and continuous improvement, with KRAIS maintaining state-of-the-art machinery and an in-house storage system for all components. KRAIS is dedicated to delivering robust, precise, and efficient solutions to clients worldwide, continually innovating and refining its product line.
Advanced Products and Services
KRAIS offers a comprehensive portfolio designed for diverse industrial applications, including heat exchangers, condensers, boilers, and pipelines. Key offerings include a wide array of tube expanders and advanced digital rolling systems, featuring pneumatic and electric motors for uniform, controlled expansion. The company provides a full range of tube and pipe beveling and facing machines, from portable models to heavy-duty split-frame clamshells and pipe bevelers for various pipe sizes and materials. For maintenance and repair, KRAIS supplies robust tube removal tools, including cutters, pullers, and automated pulling systems, alongside specialized FinFan air-cooler maintenance tools.
A notable innovation is the 'Swiftroll' robot system, offering rapid and accurate automation for tube machining and rolling, including expansion, facing, cutting, and orbital welding. KRAIS also manufactures precision flange facing machines suitable for new installations and renovation work, capable of machining flanges up to 60 inches. Their industrial-grade tube plugs (HEP and FFP series) provide a torque-controlled mechanical seal, ensuring reliability without tube deformation, and are ISO 9001 certified with PED certification in progress. To assist with tool selection, KRAIS offers the 'KRAIS Selector,' a Progressive Web Application simplifying the process for expanders.
Commitment to Customer Support
Beyond its product range, KRAIS supports its customers with various services, including a rental program for machines and tools within the EU, offering a cost-effective solution for short-term projects. The company provides detailed guidance on tube expansion procedures and best rolling practices, ensuring optimal performance and longevity of its equipment. KRAIS maintains a global presence with partners and distributors, ensuring accessibility and support for its diverse clientele.










