BRASS SWING CHECK VALVE: The swing check valve features a mechanism specifically engineered as a backflow preventer, protecting your water systems from contamination and damage DURABLE: This Swing Check Valve is crafted from high-quality brass, ensuring longevity and reliability as a backflow preventer in water supply systems VERSATILE: With a working pressure of 125 PSI to 200 WOG, this check valve is perfect for a variety of uses including wells, boiler systems, and potable water installations EASY TO INSTALL: Designed with a 3/4 inch IPS connection, this swing check valve ensures a secure and straightforward installation process SAFETY: Lead-free and suitable for all potable water supply installations, this valve prioritizes your health and safety