The BTI 3-600-530 is a 3-inch Maxxlife Butterfly Valve, which is designed for applications where corrosion and abrasion resistance and long-term durability are musts. This model has a lightweight aluminum body, a ductile iron disc, and a black nitirile seat. Additionally, the 1-piece direct drive stem is left bare on this particular model, allowing you to customize the valve to your needs.