VK481 K5.6 Quick Response Concealed Sprinkler
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The Viking VK481 K5.6 Quick Response Concealed Sprinkler is a specialized fire protection component engineered for installation in commercial, institutional, and residential wet pipe fire suppression systems where architectural aesthetics and life safety intersect. Designed to integrate into concealed piping layouts, this unit utilizes a low-profile, flat cover plate that sits flush against finished ceilings to maintain interior design integrity without sacrificing active defense capabilities. The quick response mechanism is calibrated to activate during the early stages of a fire, initiating rapid water discharge to limit fire propagation and structural damage.
This sprinkler satisfies strict life safety parameters and code mandates outlined in NFPA standards governing quick response and concealed fire sprinklers. It provides code-compliant protection for light to ordinary hazard environments such as offices, educational facilities, and residential halls, ensuring adherence to regional fire codes and inspection requirements.
- Durable Metal Construction: Fabricated from robust metal materials to withstand operational line pressures and harsh thermal conditions during a fire event.
- Quick Response Thermal Element: Engineered for rapid thermal activation to suppress fires faster in their incipient stage.
- Concealed Installation: Features a low-profile, flat cover plate that blends smoothly into finished ceilings.
- Optimized Flow: Designed with a 5.6 K-Factor to balance water delivery and coverage area effectively.
- Flexible Temperature Ratings: Available in 135°F (57°C) and 165°F (74°C) options to match specific environmental ambient temperatures.
| Technical Specification | Details |
|---|---|
| Manufacturer / Brand | Viking |
| Model / Series Number / SIN | VK481 |
| Connection / Thread Size & Type | 1/2" NPT |
| Pressure Rating (WWP) | N/A |
| K-Factor | 5.6 |
| Temperature Rating / Response Type | 135°F (57°C) and 165°F (74°C) / Quick Response |
| Material / Body Construction | Durable Metal |
| Agency Listings & Approvals | cULus Listed, FM Approved |
| Applicable NFPA Standards | NFPA 13 (Compliant) |
Installers must verify local Authority Having Jurisdiction (AHJ) mandates, spacing limitations, and temperature ratings before installation. Always consult the manufacturer's official technical data sheets and installation guides to ensure proper system design and placement.
Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)
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