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VK3021 K5.6 Quick Response Pendent Fire Sprinkler

VK3021 K5.6 Quick Response Pendent Fire Sprinkler

Regular price $26.99 USD
Regular price $29.99 USD Sale price $26.99 USD
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The Viking VK3021 K5.6 Quick Response Pendent Fire Sprinkler installs directly onto ceiling-mounted piping networks to provide early-stage fire suppression in commercial, industrial, and residential spaces. Engineered for reliable activation, this component uses a thermosensitive bulb that quickly detects rising ambient temperatures to initiate fast water discharge. It integrates smoothly into wet pipe, dry pipe, pre-action, and deluge fire sprinkler configurations.

This sprinkler satisfies strict life-safety design criteria and complies with NFPA 13 installation standards. It carries official UL listings and FM approvals, giving facility managers and trade contractors verified compliance for new construction and retrofit projects.

Key Features & Construction

  • Quick Response Mechanism: Utilizes a thermosensitive bulb to promptly detect heat and trigger fast water flow, minimizing fire spread.
  • Pendent Installation: Mounts on ceilings to deliver wide-area water distribution and maximize suppression efficiency.
  • System Compatibility: Operates seamlessly across wet pipe, dry pipe, pre-action, and deluge fire sprinkler configurations.
  • Durable Construction: Built with high-grade metals and corrosion-resistant finishes, including available ENT (Nickel PTFE) coatings, to ensure longevity in demanding environments.
  • Optimized Flow: Features a K5.6 orifice rating designed to provide effective water discharge without excess pressure loss.

Technical Specifications & Compliance

Manufacturer / Brand Viking
Model / Series Number / SIN VK3021
Connection / Thread Size & Type 1/2" NPT (15 mm)
Pressure Rating (WWP / Max Working Pressure) 175 psi (12 bar)
K-Factor 5.6
Temperature Rating / Response Type Quick Response
Material / Body Construction High-grade metals with corrosion-resistant finishes
Agency Listings & Approvals UL Listed, FM Approved
Applicable NFPA Standards NFPA 13

Verify all local Authority Having Jurisdiction (AHJ) requirements and spacing rules before starting installation.
Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)

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