2-1/2" Backflow Preventor Valve with OSY Gate Valve ASTM A536

Protect your residential fire protection system and guard potable water integrity with the Ames Backflows 2-1/2" Backflow Preventor Valve with OSY Gate Valve ASTM A536. This assembly provides precise flow control while maintaining code compliance in your mechanical room or utility space. The integrated reduced pressure zone detector continuously monitors water flow so you can detect sprinkler activation or leaks promptly, reducing potential water damage.

This valve assembly complies with NFPA 13 and NFPA 25 standards for fire sprinkler system installation and maintenance, satisfying critical life safety and backflow prevention mandates. The visible OS&Y gate valve allows straightforward valve position verification to eliminate guesswork during operational checks.

• Ductile Iron Body: Built to meet ASTM A536 standards to resist corrosion in residential fire protection environments.
• OS&Y Gate Valve: Features a 300-series stainless steel Outside Stem & Yoke design with a visible stem for immediate status verification.
• Reduced Pressure Zone Detector: Continuously monitors water flow to help you detect sprinkler activation and leaks promptly.
• EPDM Seals and Seats: Utilizes high-grade EPDM elastomers for watertight sealing with minimal pressure loss.
• Horizontal Mounting: Designed for horizontal installation to ensure straightforward routine operation and maintenance access.

Verify local Authority Having Jurisdiction (AHJ) requirements and consult manufacturer technical data sheets before beginning installation. Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)