Red Bronze PP-R Square Handle Ball Butterfly Valve The valve is crafted from high-quality red bronze, which is known for its outstanding resistance to corrosion. This material ensures that the valve will maintain its integrity over time, even in harsh environments.Red bronze provides a high level of durability and strength, allowing the valve to withstand high pressures without compromising its structural integrity. https://www.pbvalvefitting.com/product/valve/ball-valve/