Viking VK173 Quick Response Large Orifice Dry Pendent Fire Sprinkler

The Viking VK173 Quick Response Large Orifice Dry Pendent Fire Sprinkler is engineered for rapid heat detection and efficient water delivery in environments vulnerable to freezing temperatures. This dry pendent configuration prevents water from sitting in the nipple or sprinkler prior to operation, eliminating freeze-ups and potential water damage in unheated areas across wet, dry, pre-action, and deluge piping networks.

Complying strictly with NFPA 13 installation requirements, this UL Listed and FM Approved fire protection device delivers reliable, code-compliant performance for commercial, industrial, and residential facilities where quick activation is critical to life safety and asset protection.

Key Features & Construction

• Quick Response Technology: Detects heat rapidly to accelerate suppression timing and limit flame spread.
• Large Orifice Design: Maximizes water distribution efficiency to provide ample coverage during activation.
• Corrosion-Resistant Build: Constructed with durable brass or bronze and enhanced by optional nickel PTFE coatings for extended service life in harsh environments.
• System Versatility: Integrates seamlessly with wet, dry, pre-action, and deluge fire suppression piping networks.

Technical Specifications & Compliance Table

Contractors must verify specific Authority Having Jurisdiction (AHJ) guidelines, spacing rules, and temperature ratings before beginning installation. Consult manufacturer technical data sheets to ensure proper placement and system compatibility.

Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)