VULKAN Couplings - a division of the VULKAN Group VULKAN Couplings concentrated on diesel-engine applications in marine and generator systems. For more than 50 years now, VULKAN couplings can be found in ships sailing on every sea in the world. VULKAN's market leadership in this field is based on five core areas of expertise, without which such cutting edge technology would be inconceivable: Years of experience in the application and design, of torsional vibration systems. The global network of company sales organizations and production sites, In-house development for continuously refining formulae and vulcanization methods, The modern and efficient vulcanization process for large rubber volumes of up to 150 liters per segment,