VIKING 15481AE - VK464 - Mirage® Quick Response Concealed Pendent Sprinkler (K8.0)

Viking Mirage® Quick Response Concealed Pendent Sprinkler VK464: An Overview

The Viking Mirage® Quick Response Concealed Pendent Sprinkler VK464 is a sophisticated fire protection solution tailored for installations requiring a seamless ceiling aesthetic. Its thermosensitive glass-bulb design ensures swift activation, ideal for quick response systems.

Technical Features

• K-Factor: 8.0 U.S. (115.2 metric), offering optimal water distribution.
• Pressure Ratings: Operates effectively between 7 psi (0.5 bar) and 175 psi (12 bar), and is factory tested to withstand up to 500 psi (34.5 bar).
• Construction Materials: Consists of corrosion-resistant components like Brass UNS-C84400 for the body and Phosphor Bronze UNS-C51000 for the deflector, ensuring durability.
• Environmental Adaptability: Features an Electroless Nickel PTFE coating for use in corrosive environments, augmenting its resilience.

Practical Benefits

• Installation Ease: The push-on and thread-on concealed cover plate designs simplify the process, allowing for efficient post-system testing cover plate installation and adjustment of up to ½” (13 mm) for precise application.
• Maintenance Flexibility: The cover assembly can be reinstalled multiple times, offering access to ceiling panels without system disturbance.
• Safety Assurance: During fires, the cover plate detaches, enabling the sprinkler to function promptly and efficiently extinguish or control fires.

Ideal Use Cases

The VK464 is cULus listed for installations in structures up to Ordinary Hazard, Group II. It's well-suited for environments necessitating concealed fire protection, such as commercial office spaces or residential complexes, especially where corrosive conditions might be a concern.

For detailed guidelines on installation, adherence to NFPA standards is recommended to ensure optimal performance and safety.