The Viking 450 Double Check Backflow Preventer with Grooved Valve is a specialized fire protection device designed for commercial and industrial sprinkler systems. It provides dependable, code-compliant backflow prevention to protect potable water supplies from contamination risks in critical fire service environments.

• Durable Construction: Manufactured from ASTM A536 iron, offering exceptional mechanical strength and resistance to corrosion in demanding settings.
• Corrosion-Resistant Components: Utilizes 300-series stainless steel springs and fasteners to ensure long-lasting reliability without failure due to corrosion.
• Reliable Valve Sealing: Incorporates glass-filled thermoplastic check modules and replaceable, reversible EPDM elastomer discs to maintain a secure seal across varying pressures.
• Regulatory Compliance: UL Listed to UL 1469, FM Approved, and meets NFPA 13 and 25 standards, guaranteeing adherence to fire protection codes.
• High-Pressure Support: Rated for working pressures up to 175 PSI (12.1 bar), suitable for most fire service water supply systems.
• Wide Temperature Range: Operates effectively from 33°F to 140°F (0.5°C to 60°C), accommodating diverse water and environmental conditions.
• Grooved Valve Connections: Features AWWA C606 standard grooved ends that simplify installation, enable quick disassembly, and reduce maintenance downtime.
• Flexible Installation: Designed for both horizontal and vertical (upward flow) mounting, providing adaptability for various system layouts and space constraints.

This backflow preventer safeguards water quality by stopping hazardous backflow, ensuring compliance with safety regulations in fire sprinkler systems. Its robust design and corrosion-resistant materials extend the product lifespan even under challenging conditions. The grooved valve connections streamline installation and maintenance, benefiting contractors by minimizing system downtime. Ideal for fire protection professionals focused on reliable contamination prevention, the Viking 450 supports system durability and offers peace of mind through consistent, effective backflow control.