3" Reduced Pressure Assembly N Pattern With OS And Y Valve

The 3" Reduced Pressure Assembly N Pattern with OS&Y valve is designed specifically for residential fire protection systems that demand reliable backflow prevention and easy maintenance. Built to ensure the safety of potable water while supporting fire suppression readiness, this assembly suits homes and small residential complexes where dependable performance and inspection ease are critical.

• Durable Construction: Rugged ductile iron body meeting ASTM A536 standards with a corrosion-resistant epoxy coating to withstand harsh residential mechanical environments.
• Corrosion-Resistant Internal Components: Springs and fasteners made from 300-series stainless steel for extended service life and resistance to rust.
• Precision-Molded Thermoplastic Checks: Provide consistent backflow prevention performance even under fluctuating pressure conditions.
• OS&Y Valve Design: Cast iron body with rising stem allows visible confirmation of valve position, enabling simple and reliable manual operation during routine checks or maintenance.
• Industry Regulatory Compliance: UL Listed to UL 262, FM Approved for fire protection service, meets ASSE 1013 standards, and supports NFPA 13 and NFPA 25 requirements for fire sprinkler systems.
• Operational Range: Functional at pressures up to 175 PSI and temperatures between 33°F and 140°F, making it compatible with typical residential water supplies.
• Standard Connections: 3-inch National Pipe Straight (NPS) threaded ends fit common residential fire protection system piping for straightforward installation.
• N Pattern Configuration: Optimizes water flow to minimize pressure loss and reduce clogging risk, ensuring efficient delivery to fire suppression systems.

This reduced pressure assembly enhances residential fire safety by effectively preventing backflow contamination, which protects clean water supplies. Its visible valve status and rugged design simplify regular inspections and maintenance, reducing downtime and ensuring system reliability. The assembly’s compatible dimensions and durable materials also make it a practical choice for homeowners and contractors aiming to meet stringent fire protection and plumbing codes with minimal hassle. Ideal for properties prioritizing both fire safety readiness and potable water integrity, it offers a robust solution that balances durability, compliance, and operational convenience.