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VK426, VK427 Flush Pendent and Flush Horizontal Sidewall Institutional Sprinklers (K5.6)

VK426, VK427 Flush Pendent and Flush Horizontal Sidewall Institutional Sprinklers (K5.6)

Viking is a proud world leader in the design and manufacturing of life-saving fire sprinklers. The VK426 and VK427 Flush Pendent and Flush Horizontal Sidewall Institutional Sprinklers are just two of thousands of industry-leading sprinklers available to customers! 

The VK426 and VK427 are small, flush, solder link and lever sprinklers made with tamper-resistant construction. These flush-mount sprinklers can be ordered as quick response, quick response-extended coverage, and as pendent or horizontal sidewall configurations. Viking institutional sprinklers have been specifically designed for use with concealed piping in institutional mental health occupancies, correctional facilities, or anywhere a likelihood of tampering with fire sprinklers by the occupants may exist. The institutional sprinkler assembly consists of the sprinkler body and a 3 or 4 inch escutcheon plate. The sprinkler and escutcheon plate are available with a polished chrome or painted finish.

Sift through virtually every sprinkler in a flash with the revolutionary Sprinkler Selector(opens in a new window)! Select various criteria, such as K-factor, occupancy type, orientation, temperature and more, to get the part number you need. Test it out today and streamline your projects! 

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Technical Details

Manufacturer:
Viking
Page:
F_032319
VK Number:
VK426
VK427
K Factor:
5.6 (81)
Part Number(s):
19663, 20110, 22885, 22908
Additional Information:

NOTICE: The product details indicated below are for general reference only and may vary based on the specific product approval and/or application. Always verify product details with the technical data sheet and consult with the Authority Having Jurisdiction (AHJ).

Max Pressure:
175 psi (12 bar)
Response Type:
Quick
Occupancy Type:
Light Hazard
Ordinary Hazard
Thread Size:
1/2" NPT (15 mm BSP)
Min Spacing:
6 ft (1,8 m)
Max Spacing:
Per Standards / Listings
Orientation:
Sidewall
Element Type:
Fusible Element
California Proposition 65 Warning Symbol

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov.