The JCM Industries DI Transition Coupling is designed for ductile iron pipes, accommodating sizes from 11.10 to 11.40 inches down to 10.75 inches. This coupling provides a reliable connection for various applications, including municipal water systems. Its robust construction ensures durability and longevity, making it suitable for both new installations and repairs. The coupling meets industry standards for quality and safety, providing peace of mind for contractors and engineers. With its straightforward installation process, it allows for efficient and secure fittings on existing pipelines.