Unitherm offers high-performance Impeder solutions designed to maximize welding efficiency in HF tube and pipe manufacturing lines. Engineered to concentrate high-frequency current at the weld point, Unitherm Impeders reduce power losses, improve heat distribution, and enhance overall weld quality. Manufactured using premium ferrite materials and robust casings, these impeder systems ensure reliable performance, long service life, and stable operation under demanding production conditions. Suitable for a wide range of pipe diameters and steel grades, Unitherm Impeders help manufacturers achieve higher line speeds, lower energy consumption, and consistent weld strength. Developed by experienced electronics engineers and supported globally, Unitherm Impeder solutions are an essential component for optimizing HF welding processes and improving production efficiency.