The JCM Industries Optimum Range Ductile Iron Coupling is engineered for 14" pipes, accommodating sizes from 15.05 to 16.93 inches. This coupling is designed for durability and features ECoat bolts for enhanced corrosion resistance, making it suitable for various applications in water distribution systems. It meets industry standards for quality and safety, ensuring reliable performance. The coupling is compatible with both PVC and steel pipes, providing versatility for contractors and engineers. This product is an excellent choice for those seeking high-quality, long-lasting pipe fittings.