2" Reduced Pressure Detector With OSY Flanged Connection

The 2" Reduced Pressure Detector with OS&Y Flanged Connection from Zurn Wilkins is a precision-engineered backflow prevention device designed for fire protection professionals seeking to maintain potable water safety in critical sprinkler systems. Built to deliver reliable backflow detection and prevention, this unit integrates seamlessly into commercial, industrial, and institutional fire safety setups while ensuring compliance with rigorous national standards.

• Durable Construction: Constructed from ASTM A536 ductile iron with a corrosion-resistant fusion-bonded epoxy coating, suited for subterranean and harsh mechanical room environments.
• Robust Internal Components: Equipped with 300-series stainless steel springs and fasteners for long-lasting mechanical reliability under demanding fire protection conditions.
• Advanced Check Modules: Features a reduced pressure zone design with high-strength thermoplastic parts that accurately detect and prevent backflow contamination risks.
• Replaceable Seals: EPDM elastomer seats provide a secure, leak-resistant seal that adjusts to pressure fluctuations common in sprinkler system operations.
• Flanged OS&Y Connection: Utilizes a 2-inch Outside Screw and Yoke (OS&Y) flanged connection built to ANSI B16.1 standards for secure installation and ease of valve maintenance.
• Wide Operating Range: Supports pressure up to 175 PSI and functions effectively between 33°F and 140°F, accommodating typical fire protection system environments.
• Compliance & Certification: UL 161 listed, FM approved, ASSE 1013 compliant, and meets NFPA 13 and NFPA 25 codes, ensuring adherence to vital safety and plumbing regulations.
• Installation Flexibility: Suitable for both horizontal and vertical (upward flow) orientation, allowing versatile integration into complex piping infrastructures.

This Zurn Wilkins backflow preventer safeguards potable water from contamination caused by pressure reversals during fire system activation or maintenance. The device’s precise reduced pressure zone design provides early detection of pressure anomalies, minimizing the risk of hazardous cross-contamination. Its OS&Y flanged connection simplifies valve operation and maintenance, reducing downtime and enhancing system reliability. Ideal for commercial buildings, industrial facilities, and institutional settings, this product supports water system integrity while helping fire protection professionals meet stringent safety codes efficiently.