Corma’s patented Double Layer Inline Coupling technology is one of the most economical pipe connecting systems in the world. It’s known for its high quality and leadership in many pipe markets.

Corma is the inventor and patent holder of the processes and the product of the two inline coupling systems: single layer couplings and double layer couplings.

Inline couplings are produced during the production process

Advantages of the Bell & Spigot Type of Inline Couplings