Viking Concealed Horizontal Sidewall Fire Sprinkler | VK481 | Quick Response | 5.6K | 165F | 17555AC

SKU:
VK481CS165
Manufacturer Part Number:
17555AC

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$65.99
Viking Residential Fire Sprinkler 5.6K Concealed Horizontal Sidewall 165F | VK481 | 17555AC
Viking Residential Fire Sprinkler 5.6K Concealed Horizontal Sidewall 165F | VK481 | 17555AC
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Top of Viking Residential Fire Sprinkler 5.6K Concealed Horizontal Sidewall 165F | VK481 | 17555AC
Bottom of Viking Residential Fire Sprinkler 5.6K Concealed Horizontal Sidewall 165F | VK481 | 17555AC

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Viking Residential Fire Sprinkler 5.6K Concealed Horizontal Sidewall 165F | VK481 | 17555AC
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Overview

Viking VK481 Residential Concealed Horizontal Sidewall Fire Sprinkler delivers decorative, competitively priced defense against fire in residential occupancies such as homes and apartments.

Using a heat-activated soldered link and lever assembly, Viking's VK481 automatic fire sprinkler opens when ambient temperatures reach 165F (74C), reducing the likelihood of flashover and facilitating safe evacuation. Each VK481 ships standard with:

  • The VK481 concealed pendent head
  • One protective cap
  • One 135F cover plate

What finishes are available for the VK481?

This concealed sidewall fire sprinkler includes a low-profile cover plate that mounts flush to nearby walls. Plates are available in a custom finish by special order, or in one of nine standard finishes, including:

  • White
  • Black
  • Polished chrome

To order the Viking VK481 with custom cover plates (or any finishes not listed here), contact us at 888.361.6662 or fill out our contact form.

When should the Viking VK481 be used?

When temperatures near the ceiling reach 135F (57C), the cover plate detaches. This exposes the head of the Viking VK481 concealed horizontal sidewall fire sprinkler, which activates when temperatures reach 165F (68C). The Viking Model VK481 has a 5.6 K-Factor and can be installed with fittings using 1/2 in. (12.7 mm) National Pipe Thread (NPT), used in fire sprinkler systems throughout the United States.

With a maximum working pressure of 175 PSI (12.1 BAR), this horizontal sidewall sprinkler installs on a wall or the side of a beam where ceiling piping is not desirable and may be installed and used in accordance with NFPA 13, NFPA 13R, NFPA 13D and local fire code.

Each Model VK481 sprinkler is made by Viking, a global leader in fire protection manufacturing for nearly 100 years. This product is UL-listed, and appropriate for use in fire protection systems when accepted by the authority having jurisdiction.

Specifications

Response Type:
Quick Response
Temperature:
165F
Corrosion Resistance:
No
May Contain Lead:
No
Nominal K-Factor:
5.6K
Fire Sprinkler Heat Element:
Fusible Link
Fire Sprinkler Use Type:
Commercial
Fire Sprinkler Head Type:
Concealed Horizontal Sidewall
SIN Number:
VK481
Thread Type:
NPT
UL Listed/FM Approved:
No

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