The Deringer 30 Double Check Detector Assembly is a precision-engineered backflow prevention device specifically designed for fire protection sprinkler systems. It serves fire protection engineers, facility managers, and installers aiming to maintain safe, uncontaminated potable water supplies while ensuring effective fire sprinkler performance in both commercial and residential buildings.

• Rugged Construction: Manufactured from high-grade, corrosion-resistant metals that withstand harsh environmental conditions and continuous water pressure without degradation.
• Dual Independent Check Valves: Features two separate check valves offering redundant protection against backflow, effectively preventing pollutants from entering the potable water system.
• Integrated Flow Meter: Incorporates a real-time water flow monitoring system that detects unauthorized backflow events and system leaks early for timely maintenance responses.
• Pressure Rating: Operates reliably up to 175 PSI (12.1 bar), accommodating the pressure range typical of most fire sprinkler supply lines.
• Installation Flexibility: Equipped with NRS threaded ends and ANSI B16.1 flanged connections, enabling straightforward installation in retrofit projects or new constructions using common piping standards.
• Compact Design: Maintains system hydraulic efficiency by minimizing pressure loss and footprint, ensuring compatibility with existing sprinkler infrastructure.
• Certification and Compliance: UL Listed to UL 312, FM Approved, and compliant with NFPA 13 and NFPA 25 standards, meeting stringent fire protection and backflow prevention regulations.
• Maintenance-Friendly Components: Features durable internal springs and seals engineered for stability under varying pressure conditions, promoting consistent operation and reducing downtime.

By preventing backflow, the Deringer 30 Double Check Detector Assembly protects potable water from contamination risks associated with fire sprinkler systems. Its built-in flow meter enhances operational oversight, helping facility managers detect and address system anomalies before they escalate. This proactive approach not only supports regulatory compliance but also reduces costly repairs and health hazards. Ideal for environments demanding rigorous water safety alongside dependable fire protection, this assembly ensures peace of mind by safeguarding both property and public health.