Viking VK3521 Quick Response Pendent Sprinkler (K8.0)

Sprinklers & Valves (Wet System)

VK3521 – Quick Response Pendent Sprinkler (K8.0)

The VK3521 is a quick response pendent sprinkler with a K-Factor of 8.0, delivering fast activation and broader water distribution. It is suited for life-safety applications where rapid suppression is essential.

Key Features

  • Quick Response operation

  • K-Factor 8.0 for higher flow capability

  • Wide spray pattern for large-area coverage

  • Aesthetic finishes for exposed ceilings

  • UL Listed & FM Approved

  • High corrosion resistance

  • Type: Pendent – Quick Response

  • K-Factor: 8.0 (115 metric)

  • Max Working Pressure: 175 psi

  • Temperature Rating: 135°F–286°F

  • Materials: Brass body, stainless steel deflector

  • Finishes: Brass, Chrome, White Polyester

  • Connection Size: 1/2″ NPT

  • Hospitals

  • High-occupancy commercial buildings

  • Hotels & hospitality areas

  • Offices & public spaces

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