The 6" Double Check Assembly OSY Lead Free Fire System is a specialized backflow preventer designed for commercial and industrial fire protection systems. It combines robust construction with lead-free materials to ensure both effective contamination prevention and compliance with environmental safety standards.

• Lead-Free Construction: Manufactured without lead, this assembly supports safe drinking water initiatives while meeting strict regulatory requirements.
• 6-Inch Diameter: Sized to accommodate high flow rates typical in large-scale fire protection systems, ensuring reliable water delivery when it matters most.
• Double Check Valve Design: Incorporates two independent check valves to provide dependable backflow prevention against potential contaminants.
• OS&Y (Outside Stem & Yoke) Gate Valves: Enhances operational visibility and durability, allowing easy maintenance and flow control without system shutdown.
• High-Pressure Capability: Engineered to withstand demanding pressure conditions common in fire sprinkler systems, ensuring system integrity under load.
• Compact and Durable Construction: Designed for straightforward installation in tight mechanical rooms or underground vaults with corrosion-resistant materials for longevity.
• Item Number 870VOSY-0600: A specific model identifier for precise ordering and compatibility verification within fire protection infrastructure.

This backflow preventer safeguards your potable water supply by reliably blocking reverse flow, which can introduce contaminants into the drinking water system during fire events or pressure fluctuations. Its lead-free body supports compliance with environmental guidelines, making it suitable for facilities focused on sustainability and health safety. Installation is simplified through the OS&Y gate valves and compact form factor, reducing service interruptions and maintenance costs. Ideal for fire protection engineers, building managers, and safety compliance officers, this assembly delivers peace of mind through a well-engineered solution tailored for rigorous fire system demands.