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Ruland one- and two- piece clamp style rigid couplings are manufactured from a single piece of material with no flexing elements giving them the greatest torsional stiffness and torque capabilities of any coupling Ruland offers. This makes them ideal for applications such as microscope automation that require the highest degree of accuracy and repeatability. Stainless steel rigid couplings are also used in test and measurement, imaging, and liquid handling applications that have high torque and sanitary requirements. Ruland rigid couplings are manufactured from 303 stainless with hardware of like material. Hardware is treated with proprietary Nypatch® anti-vibration coating that allows for repeated insertions and provides the necessary dissimilar material to prevent galling. Ruland manufactures stainless steel straight bore rigid couplings with precision honed bores to ensure collinearity for a precise fit and greater torque transmission capability. Collinear bores prevent the coupling from introducing misalignment into systems where it would not otherwise be present allowing for reduced wear on joined components and increased system efficiency. Ruland offers one- and two-piece clamp style with or without keyways in bore sizes ranging from 1/8” to 2” and 3mm to 50mm in straight bore and step bore combinations. Ruland manufactures rigid couplings in our Marlborough, MA factory under strict controls using proprietary processes.
