The Viking Maxim Series M300 2" Double Check Detector Assembly is a specialized backflow preventer designed for commercial and industrial fire protection systems. Tailored for facility managers and fire safety professionals, it ensures efficient detection of unauthorized water flow while protecting sprinkler systems from contamination and maintaining regulatory compliance.

• Durable Construction: Constructed with a robust ductile iron body (ASTM A536) ideal for enduring the tough conditions of fire protection environments.
• Corrosion-Resistant Components: Equipped with stainless steel springs and 300-series stainless steel fasteners to minimize corrosion and extend service life.
• Effective Sealing: Features reversible EPDM elastomer seats in the check valves, providing a reliable seal that prevents backflow contamination of potable water supplies.
• Compliance and Certification: UL Listed under UL 312 and FM Approved, meeting essential NFPA 13 and NFPA 25 requirements for fire sprinkler system safety and inspection.
• Operational Capacity: Operates effectively under pressures up to 175 PSI and temperatures from 33°F to 140°F, suitable for diverse commercial fire protection water systems.
• Compact and Compatible: Designed with standard NRS connections for straightforward installation in confined mechanical spaces and compatibility with existing piping infrastructure.
• Integrated Flow Detection: Monitors for unauthorized water flow, offering early warnings that help prevent leaks, tampering, and potential water damage.

This assembly supports continuous fire protection system monitoring, combining backflow prevention and flow detection to reduce operational risks and simplify maintenance. Ideal for commercial buildings, industrial plants, and manufacturing facilities, the Maxim Series M300 bolsters system reliability and safeguards water quality. Facility operators gain peace of mind knowing their sprinkler systems remain compliant, fully functional, and protected against contamination and false activations.