The new concentric clamping machines Protem BMFM 76 and Protem BMFM 219 are designed to perform weld preparations on tubes up to 8 inches (219 mm). The benefit of these machines is the possibility to machine several tube diameters without changing the clamping system. The jaws move together while clamping and guarantee a perfect concentricity of the tubes in the machine. The durable clamping system enables high precision machining on all type of material and on heavy wall thicknesses.
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