3" 4000SS OS&Y Backflow Preventor Valve Stainless Steel Stem 10 RED PRES N PAT W/OS&Y LF Corrosion-Resistant Internal Components: Features 300-series

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

safe water for your needs

maintaining consistent water flow crucial for effective fire suppression

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

Durable Construction: Crafted from heavy-duty materials

3" 4000SS OS&Y Backflow Preventor Valve Stainless Steel Stem 10 RED PRES N PAT W/OS&Y LF Corrosion-Resistant Internal Components: Features 300-seriesThe 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