Profile: American Vulkan Corporation manufactures couplings for transmitting power and controlling torsional vibrations. Our products are renowned for high quality, guaranteed torsional stiffness and damping capacity. These highly flexible couplings also accommodate misalignment, absorb shock and attenuate noise in rotating equipment applications. Comprehensive testing and adherence to ISO 9001/QS 9000 quality control procedures allow us to maintain the highest manufacturing standards.