AVK Supa® is a versatile step coupling designed to accommodate various pipe materials such as cast iron, ductile iron, steel, uPVC, and asbestos cement. These Supa® couplings stand out for their user-friendly installation process, facilitated by the presence of anti-friction coated bolts and nuts. Additionally, they offer a significant advantage with the ability to withstand angular deflection of up to ±4°, providing flexibility and adaptability in pipe alignment.