Viking VK506 – ESFR Pendent Sprinkler (K22.4)

Sprinklers & Valves (Wet System)

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VK506 – ESFR Pendent Sprinkler (K22.4)

The VK506 is an ESFR pendent sprinkler with a very large K-Factor of 22.4, offering exceptionally high water delivery for demanding storage fire scenarios. It provides enhanced suppression capability for high-challenge hazards.

Key Features

  • ESFR design with extra-high water output

  • K-Factor 22.4 for heavy-hazard storage

  • High-momentum water droplets for deep penetration

  • Suitable for extreme storage conditions

  • UL/FM certified

Download E-Brochure

  • Type: ESFR Pendent

  • K-Factor: 22.4 (323 metric)

  • Max Working Pressure: 175–250 psi

  • Temperature Rating: 155°F–286°F

  • Materials: Brass body, stainless steel deflector

  • Finishes: Brass, Chrome

  • Connection Size: 3/4″ NPT

  • High-challenge storage

  • Plastic commodities

  • High-pile storage >12 m (when permitted by design)

  • Industrial storage involving high fire loads

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