3" 4000SS OS&Y Backflow Preventor Valve Stainless Steel Stem 10 RED PRES N PAT W/OS&Y LF Manufactured by the trusted brand

Manufactured by the trusted brand Viking

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

Durable Construction: Crafted from heavy-duty materials

With the GASKET INSERTION TOOL

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 Manufactured by the trusted brandThe 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