The 4" PVC Back Pressure Valve is engineered to maintain pressure between 10-50 psi, utilizing a robust PTFE/FPM diaphragm for enhanced durability. This valve is perfect for industrial settings, providing precise flow control and pressure management. Made from high-grade PVC, it resists corrosion and is compatible with a variety of fluids. Its design meets industry standards, ensuring safe operation in applications such as chemical processing and water treatment. This valve is an essential component for effective fluid handling and pressure regulation.