The 2" Double Check Detector Valve With BFV Supply Switch by Viking is a specialized backflow prevention solution tailored for fire protection professionals and facility managers. Designed to protect fire sprinkler systems, it effectively detects unauthorized water flow while enabling easy isolation during maintenance or emergencies.

• Durable Construction: Manufactured from high-strength iron alloy with internal parts crafted from 300-series stainless steel, offering superior corrosion resistance for long-lasting performance in harsh fire protection environments.
• Dual Check Valves: Precisely prevent backflow and identify leaks or contamination that could jeopardize potable water, ensuring safety and regulatory compliance.
• Integrated Butterfly Valve Supply Switch: Enables smooth, manual system isolation, allowing maintenance or emergency shutdown without disrupting the broader fire sprinkler network.
• EPDM Valve Seats: Deliver dependable, leak-free sealing across variable pressure conditions, maintaining system integrity consistently.
• Regulatory Compliance: UL Listed per UL 312, FM Approved, and compliant with NFPA 13 and NFPA 25 standards, ensuring adherence to fire safety and maintenance requirements.
• Pressure & Connection Compatibility: Rated for up to 175 PSI (12.1 bar), compatible with 2" PVC connections, flanged or grooved ends meeting ANSI B16.1 and AWWA C606, suitable for both wet and dry sprinkler systems.
• Continuous Detector Mechanism: Monitors unauthorized flow in real-time, enabling prompt responses to backflow risks and enhancing overall fire protection reliability.

This valve assembly is ideal for fire protection contractors, engineers, and facility managers who require reliable backflow prevention combined with straightforward system control. By integrating robust materials, certified safety standards, and an easy-to-operate isolation valve, it reduces downtime during service and inspections while safeguarding water quality. It is designed for commercial and industrial firefighting systems where maintaining operational efficiency and meeting strict regulations are critical.