The 4" RP Assembly GXG OS&Y Backflow Preventor Valve is a specialized solution designed for fire protection systems, combining robust backflow prevention with integrated gate valves. Ideal for fire sprinkler contractors, plumbing engineers, and facility managers, this valve ensures reliable contamination prevention while streamlining system isolation and maintenance.

• Material Durability: Constructed from ductile iron meeting ASTM A536 standards, offering high mechanical strength and corrosion resistance essential for demanding fire protection environments.
• Precision Components: Internal check valves use stainless steel springs and 300-series grade fasteners for consistent, long-lasting operational reliability.
• Effective Sealing: EPDM rubber valve seats and seals provide chemical resistance and maintain a secure seal to prevent backflow contamination.
• OS&Y Gate Valves with Non-Rising Stems: Facilitates visual position indication without increasing vertical space requirements, perfect for tight mechanical rooms.
• Grooved by Grooved Ends: Compliant with AWWA C606 specifications, enabling faster installation with standard fire system grooved piping.
• Regulatory Compliance: UL Listed (UL 312), FM Approved, and meets ASSE 1013 standards, ensuring safety, performance, and adherence to NFPA 13 and NFPA 25 guidelines.
• Operational Range: Supports pressures up to 175 PSI and temperatures from 33°F to 140°F, accommodating typical commercial and residential fire protection water supplies.
• Flexible Installation: Suitable for horizontal or vertical setups (with upward flow), providing versatility for various system layouts.

This backflow preventer valve ensures the safety of potable water by preventing hazardous backflow in fire protection systems, addressing contamination risks effectively. Its integrated OS&Y gate valves simplify system isolation during maintenance or emergencies without requiring separate components. The grooved by grooved design not only speeds up installation but also minimizes maintenance complexity. Its non-rising stem feature is particularly beneficial in confined spaces, making it easier to monitor valve position without extra clearance. By complying with strict certification and industry standards, this valve offers peace of mind for professionals who require a reliable, code-compliant solution to maintain fire protection system integrity and safe water supplies.