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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 Institutional Style Sprinklers 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.

Technical Details

K Factor: 

5.6 (81)

Manufacturer: 

Viking

Page: 

F_032319

Part Number: 

19663, 
20110, 
22885, 
22908

VK Number: 

VK426, 
VK427

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