Rohrbogen AG

Switzerland

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Rohrbogen AG is a Swiss industrial manufacturer specializing in tube manipulation, pipe components, and hydroforming solutions, headquartered in Pratteln, Switzerland. Founded in 1936, the company operates production and development facilities in Pratteln as well as a secondary production location in Radom, Poland.

The company produces custom and standardized pipe elbows, T-pieces, and formed tubular assemblies for sterile, aseptic, and high-pressure process industries. With specialized in-house machine design and hydroforming capabilities, Rohrbogen AG serves demanding global markets including semiconductor fabrication, pharmaceuticals, biotechnology, food and dairy processing, and chemical plant engineering.

Headquarters in Pratteln (Switzerland) and manufacturing facility in Radom (Poland)
Certified quality management compliant with AD 2000-W2 and VdTÜV 1252 guidelines
Inspection certification to EN 10204 3.1 and 3.2

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Rohrbogen AG provides tube bending, hydroforming (IHU), and hygienic piping solutions across standard catalog lines and bespoke contract manufacturing:

Hydroforming (Innenhochdruckumformen / IHU): Tube hydroforming using dedicated hydro presses to form complex geometries, expand cross sections, and calibrate tight tolerances in hollow metal profiles and pipe elbows after bending.
Tube Bending & Calibration: CNC cold bending of pipe and tube products up to outside diameters of 168.3 mm and wall thicknesses up to 6.0 mm, specializing in extremely tight bend radii and isometric pipe configurations.
High-Purity & Hygienic Fittings: Production of butt-weld elbows, sterile T-pieces, and pigging bends certified to ASME BPE, DIN 11865, EN 10374, DIN 11852, and DIN 11857.
Materials Processed: Austenitic stainless steels and special alloys including 1.4404 / 316L, 1.4435 (with controlled sulfur 0.005%–0.017%), duplex 1.4462, super austenitic 1.4410, AL-6XN, and Hastelloy C-22 (2.4602).
Surface Finishing: Mechanical polishing down to Ra ≤ 0.4 µm on interior and exterior surfaces, and electropolishing down to Ra ≤ 0.2 µm (SF1 standard).

Rohrbogen AG

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