Viking VK469 K11.2 QR Concealed Pendent Sprinkler

The Viking VK469 K11.2 QR Concealed Pendent Sprinkler is engineered for commercial and institutional wet pipe fire suppression systems requiring rapid activation and a discreet ceiling profile. Designed to protect high-traffic and aesthetic-sensitive spaces like hotels, casinos, and retail areas, this Extra-Large Orifice (ELO) sprinkler optimizes water flow distribution to efficiently suppress fires while reducing demands on fire pumps and minimizing overall system costs.

This unit satisfies strict life safety compliance for Ordinary Hazard Group II applications. It is cULus listed and meets the rigorous installation and testing mandates established by the National Fire Protection Association (NFPA 13) for commercial fire protection assemblies.

• Quick Response Mechanism: Activates promptly to control fire spread effectively in commercial environments.
• High K-Factor Performance: Features an 11.2 (161 metric) K-factor orifice that delivers higher water densities at lower working pressures.
• Concealed Pendent Design: Integrates smoothly into ceilings using a flat cover plate with a ½” (13 mm) vertical adjustment range.
• Temperature Rating: Calibrated for a 165°F (74°C) operating threshold to match standard interior ambient conditions.
• Durable Construction: Built with robust commercial-grade components designed for reliable long-term operation within concealed piping networks.

Contractors must verify specific local Authority Having Jurisdiction (AHJ) guidelines and review the manufacturer engineering design parameters prior to system layout and installation.

Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)