Viking VK3521 K8.0 Quick Response Pendent Fire Sprinkler
Brass / 135 °F (57 °C) / No Guard
$25.99
Precio de oferta
$25.99
Precio habitual
$28.99
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Viking VK3521 K8.0 Quick Response Pendent Fire Sprinkler
$25.99
Precio de oferta
$25.99
Precio habitual
$28.99
Shipping calculated at checkout
The Viking VK3521 K8.0 Quick Response Pendent Fire Sprinkler is engineered for rapid, reliable flame control in commercial, industrial, and residential fire suppression assemblies. Installed in a pendent configuration on wet pipe, dry pipe, pre-action, or deluge fire protection systems, this component delivers downward water flow for maximum ceiling-level coverage while maintaining a low-profile interior appearance. Featuring quick response technology with a high-sensitivity thermal element, the sprinkler activates immediately upon detecting heat to limit property damage and increase occupant safety.
Designed to satisfy strict life safety regulations, this unit complies with NFPA 13 and NFPA 25 standards for fire protection system installation, inspection, and testing. Its K8.0 hydraulic rating ensures efficient, even water distribution across protected areas, supporting precise hydraulic calculations for multiple hazard classifications while meeting UL Listed and FM Approved code requirements.
- Corrosion-Resistant Construction: Built from durable brass and stainless steel to ensure long-lasting performance in varied commercial and residential environments.
- Quick Response Technology: High-sensitivity thermal element activates immediately upon heat detection for early suppression and limited fire spread.
- Pendent Orientation: Directs water flow downward for optimal ceiling-level coverage and a streamlined appearance.
- System Versatility: Fully compatible with wet pipe, dry pipe, pre-action, and deluge fire protection networks.
- Hydraulic Efficiency: Features a K8.0 rating for precise water distribution across multiple hazard classifications.
| Technical Parameter | Specification |
|---|---|
| Manufacturer / Brand | Viking |
| Model / Series Number / SIN | VK3521 |
| Connection / Thread Size & Type | 3/4" NPT |
| Pressure Rating (WWP) | 175 PSI |
| K-Factor | 8.0 |
| Temperature Rating / Response Type | Quick Response (135°F, 155°F, 175°F, 200°F, 286°F options) |
| Material / Body Construction | Brass and Stainless Steel |
| Agency Listings & Approvals | UL Listed, FM Approved |
| Applicable NFPA Standards | NFPA 13, NFPA 25 |
Contractors must verify local Authority Having Jurisdiction (AHJ) requirements and consult manufacturer technical data sheets prior to installation.
Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)
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