2-1/2" Double Check Assembly Backflow Preventor Valve GXG OSY Valve Fire Protection

The 2-1/2" Double Check Assembly Backflow Preventor Valve with GXG OSY Valve is engineered specifically for commercial fire protection systems and plumbing applications. Designed to prevent contaminated water from flowing back into clean water supplies, it offers reliable protection while facilitating straightforward control and maintenance in demanding environments.

• Robust Construction: Made from fusion-bonded epoxy-coated ductile iron (ASTM A536), ensuring exceptional resistance to corrosion and mechanical stress, ideal for subterranean and mechanical room installations.
• Corrosion-Resistant Components: Internal springs and fasteners crafted from 300-series stainless steel to maintain consistent valve operation even under high-pressure fire protection system conditions.
• Durable Check Modules: Utilizes glass-filled Noryl™ thermoplastic composite for wear resistance and long-term reliability in backflow prevention.
• Reliable Sealing: Features reversible, replaceable EPDM elastomer seats that guarantee a tight seal to prevent backflow and protect potable water from contamination.
• Regulatory Certified: UL Listed to UL 1469, FM Approved, compliant with ASSE 1015 and AWWA C510 standards, and designed to meet NFPA 13 and NFPA 25 system requirements for fire sprinkler installations.
• Integrated GXG OS&Y Isolation Valve: Provides clear visual indication of valve status and dependable shutoff for maintenance or system testing without compromising system integrity.
• Versatile Installation: Supports both horizontal and vertical upward flow configurations with standard industry connections, facilitating seamless integration in various commercial plumbing layouts.
• Operational Range: Rated for a maximum working pressure of 175 PSI (12.1 bar) and operating temperatures from 33°F to 140°F (0.5°C to 60°C), suitable for most commercial fire protection water systems.
• Convenient Testing: Equipped with pre-drilled test cocks enabling easy differential pressure testing in compliance with local and national fire safety codes.

This backflow preventer is essential for facilities where maintaining potable water quality is critical while complying with stringent fire safety regulations. It effectively prevents hazardous water contamination in fire sprinkler and protection systems, reducing the risk of cross-contamination. The inclusion of the GXG OSY valve simplifies system isolation for inspection, periodic testing, and maintenance without disruption. Its durable materials and certification-backed design make it a lasting solution for commercial buildings, ensuring peace of mind through reliable water control and safety compliance.