The American Valve Cast Iron Flanged End Ball Valve 4" 200W (3700-4) 3700 Series is a high-quality and durable valve designed for industrial use. With a WOG rating of 200 psi and manual operation, this valve is capable of handling a wide range of applications. Its 4-inch diameter makes it suitable for large-scale systems, and the flanged end design ensures easy installation and maintenance. This product is a reliable choice for businesses and industries that require efficient and reliable valve solutions.