VK971 K5.6 Quick Response Concealed Pendent Fire Sprinkler with Hose Assembly
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The VK971 K5.6 Quick Response Concealed Pendent Fire Sprinkler with Hose Assembly provides reliable fire suppression for commercial, industrial, and residential fire protection systems. This assembly installs in wet, dry, pre-action, and deluge sprinkler configurations, integrating cleanly into ceiling layouts with its low-profile concealed pendent style. The included flexible hose assembly adapts to confined, complex, or irregular ceiling spaces, simplifying retrofits and ensuring secure, leak-resistant connections.
Designed to satisfy NFPA 13 installation requirements, this unit utilizes a quick-response K5.6 linkage that activates promptly upon detecting heat to enable early-stage suppression. It meets rigorous commercial safety demands while maintaining visual architectural harmony.
- Quick Response Mechanism: Features a K5.6 linkage that activates promptly upon detecting heat for early fire suppression.
- Concealed Pendent Design: Conceals the sprinkler head within the ceiling for a low-profile aesthetic.
- Flexible Hose Assembly: Adapts to confined and irregular ceiling spaces to simplify retrofits and secure leak-resistant connections.
- Durable Materials: Constructed from premium brass and corrosion-resistant metal alloys for long-term operational integrity.
- System Compatibility: Suitable for wet, dry, pre-action, and deluge sprinkler systems, alongside early notification technologies.
| Manufacturer / Brand | Viking |
| Model / Series Number / SIN | VK971 |
| Connection / Thread Size & Type | N/A |
| Pressure Rating (WWP / Max Working Pressure) | N/A |
| K-Factor | 5.6 |
| Temperature Rating / Response Type | Quick Response |
| Material / Body Construction | Brass and corrosion-resistant metal alloys |
| Agency Listings & Approvals | UL Listed, FM Approved |
| Applicable NFPA Standards | NFPA 13 |
Contractors must verify local Authority Having Jurisdiction (AHJ) requirements and review manufacturer technical data sheets prior to beginning installation.
Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)
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