The Ductile Iron Reducing Companion Flange 8 x 4 is a high-strength, threaded connection flange designed to reduce pipe sizes while maintaining a secure and leak-free connection. Constructed from durable ductile iron, this flange offers superior strength, impact resistance, and long service life. The black finish provides additional protection against wear and environmental factors. The threaded connection allows for easy installation in a variety of industrial, waterworks, and mechanical piping applications.