VK494 K4.9 Residential PD CD Concealed Fire Sprinkler
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The Viking VK494 K4.9 Residential PD CD Concealed Fire Sprinkler provides reliable fire suppression for wet pipe residential sprinkler systems. Designed for installation in new construction and retrofits, this flush-mounted sprinkler integrates directly into ceiling assemblies to maintain interior aesthetics while ensuring immediate activation during an emergency.
This assembly complies with NFPA 13D standards for residential fire safety. It satisfies regulatory approval requirements through rigorous testing, featuring a sensitive thermal element for rapid fire detection and a K4.9 orifice size to optimize water distribution during early fire development.
- Concealed Profile: Flush-mounted sprinkler head integrates seamlessly into ceiling assemblies to preserve interior visual appeal.
- Durable Materials: Constructed from corrosion-resistant metals and high-grade components for long-term operational reliability.
- Precision Flow Engineering: Features a K4.9 orifice size paired with a sensitive thermal element for rapid response.
- System Compatibility: Engineered for standard wet pipe residential sprinkler installations.
| Technical Specification | Detail |
|---|---|
| Manufacturer / Brand | Viking |
| Model / Series Number / SIN | VK494 (SIN: VK494) |
| Connection / Thread Size & Type | N/A |
| Pressure Rating (WWP) | N/A |
| K-Factor | 4.9 |
| Temperature Rating / Response Type | N/A |
| Material / Body Construction | Corrosion-resistant metals and high-grade components |
| Agency Listings & Approvals | UL Listed, FM Approved |
| Applicable NFPA Standards | NFPA 13D |
Contractors and facility managers must verify local Authority Having Jurisdiction (AHJ) requirements and consult the manufacturer technical data sheets before beginning installation.
Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)
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