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Item Number: 24850
Brand: Viking

Viking's Early Suppression Fast Response (ESFR) Dry Pendent Sprinkler VK512 is a fast response fusible element type sprinkler designed for use in storage areas subject to freezing and supplied from a wet system only, in an adjacent heated area. With a 25.2 (363 metric) nominal K-Factor and special deflector, this ESFR sprinkler produces large, high-momentum water droplets in a hemispheric pattern below the deflector. This permits penetration of the fire plume and direct wetting of the burning fuel surface while cooling the atmosphere early in the development of a high-challenge fire.

The dry ESFR sprinkler consists of a fusible element style ESFR sprinkler permanently secured to a special supply nipple. The sprinkler assembly features a sealed brass inlet that’s grooved. Also included with the ESFR dry sprinkler are two insulating boot assemblies (optional) to help seal the clearance space around the dry sprinkler barrel. The dry sprinkler boot assembly is intended to slow the exchange of air between the inside and outside of the freezer (or any dry sprinkler installation) to help mitigate condensation and humidity and temperature differentials in the area around the sprinkler. Condensation can lead to ice build-up, which could inhibit sprinkler operation or cause premature operation.


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Item Number 24850
Brand Viking
Item Numbers Description Price Group UM
24850AC VK512 K25.2 ESFR GRV 165 19.5" V152.1 EA
24850AE VK512 K25.2 ESFR GRV 205 19.5" V152.1 EA
24853AC VK512 K25.2 ESFR GRV 165 25.5" V152.1 EA
24853AE VK512 K25.2 ESFR GRV 205 25.5" V152.1 EA
24856AC VK512 K25.2 ESFR GRV 165 31.5" V152.1 EA
24856AE VK512 K25.2 ESFR GRV 205 31.5" V152.1 EA
24859AC VK512 K25.2 ESFR GRV 165 37.5" V152.1 EA
24859AE VK512 K25.2 ESFR GRV 205 37.5" V152.1 EA