The Restrained Ductile Iron Flange Coupling Adapter from JCM Industries, Inc (KEL300) is designed for pipe sizes of 8 inches. This coupling adapter features a robust ductile iron construction, ensuring strength and reliability in various applications. The restrained design provides additional security against pull-out, making it ideal for high-pressure systems. This product is compliant with industry standards, ensuring safety and performance. Its versatile design allows for easy installation and compatibility with multiple piping systems, making it a practical choice for contractors.