The 6" Fig 40 Red Pressure Valve from Viking is a specialized backflow prevention valve designed for fire protection sprinkler systems in commercial and industrial facilities. It ensures the safety and integrity of water supplies by preventing backpressure and backsiphonage, making it a critical component for compliance and reliable fire safety operations.

• Material Construction: Made from ASTM A536 grade 65-45-12 ductile iron, this valve offers exceptional durability and corrosion resistance suited for harsh fire protection environments.
• Sealing Technology: Features EPDM elastomer seats and seals that withstand high-temperature water flows while delivering consistent, leak-free shutoff under varying system pressures.
• Pressure Rating: Engineered for a maximum working pressure of 175 psi (12.1 bar), compatible with most commercial fire sprinkler systems, ensuring dependable performance in critical situations.
• Regulatory Compliance: UL Listed (Standard 312) and FM Approved (#1120), meeting rigorous standards for fire protection backflow prevention devices.
• Standards Adherence: Certified to NFPA 13 (2022 edition), supporting potable water safety and proper integration within fire sprinkler systems.
• Connection Type: Equipped with ANSI B16.1 Class 125 flanged ends, allowing for straightforward installation and secure connection to existing piping infrastructures.
• Application Specific Design: Built as a reduced pressure zone (RPZ) backflow preventer to ensure water supply protection from contamination in fire protection setups.

This Viking 6" Fig 40 valve effectively addresses the challenge of maintaining clean, uncontaminated water in sprinkler systems by preventing backflow risks. Its rugged ductile iron body combined with heat-resistant EPDM seals provides a long service life, even in demanding fire protection conditions with fluctuating pressures. Fully certified to meet the latest NFPA 13 guidelines, and backed by UL/FM approvals, it gives fire safety professionals confidence in both regulatory compliance and system reliability. With ANSI flanged connections, installation is efficient, cutting downtime and simplifying upgrades or replacements in commercial buildings, industrial sites, and institutional facilities where uninterrupted fire protection and water safety are essential. Compared to generic valves, this model enhances system durability and reduces maintenance needs, ultimately supporting safer, more resilient fire sprinkler operations.