3" 4000SS OS&Y Backflow Preventor Valve Stainless Steel Stem 10 RED PRES N PAT W/OS&Y LF Make the smart choice for

Make the smart choice for your home and protect your loved ones effectively

Corrosion-Resistant Internal Components: Features 300-series stainless steel springs and fasteners

this device focuses on efficient smoke and heat release to support active fire suppression efforts

safe water for your needs

Versatile Connection Options: OS&Y female threaded inlet combined with gasketed outlet supports leak-proof connection to flanged or grooved piping systems

3" 4000SS OS&Y Backflow Preventor Valve Stainless Steel Stem 10 RED PRES N PAT W/OS&Y LF Make the smart choice forThe 3" 4000SS OS&Y Backflow Preventor Valve with a stainless steel stem is designed for fire protection system professionals seeking a durable and reliable solution to prevent water contamination. Its robust construction and visible stem operation provide confidence in performance and compliance with stringent safety requirements. Material Durability: Main body crafted from ASTM A536 ductile iron for enhanced strength and impact resistance, ideal for