The Strataflo 4" FNPT Aluminum Check Valve is designed for high-performance applications, featuring an anodized finish for enhanced corrosion resistance. Equipped with a Buna-S rubber poppet, this valve ensures reliable sealing and prevents backflow. Its lightweight aluminum construction makes it easy to handle and install, while the standard FNPT connections provide compatibility with various piping systems. Ideal for water treatment and industrial applications, this check valve meets industry standards for safety and efficiency, making it a dependable choice for fluid management.