Viking VK420 Residential Sprinkler
165
°F (74
°C) Residential Response K Factor = 3.8 100% Genuine 175 psi (12 bar) +++Contact 0917911114
Viking VK420 Residential Nozzles FM Approved for new and retrofit residential applications. The sprinkler is also cULus listed for replacement only. The 3.8 K multiplier sprinkler head is available with a small, flat, 165°F (74°C) temperature rating and is Chrome polished or whitewashed. The two-piece design of the sprinkler and ceiling ring allows the sprinklers to be installed and tested prior to ceiling installation. Ceiling rings allow for vertical adjustment up to (12.7 mm) and can be removed and reinstalled, allowing access to removable ceiling panels without shutting down the sprinkler system and remove the sprinkler.
Technical information of Viking Residential Nozzles VK420
K Factor: 3.8 (55)
Manufacturer: Viking
VK Number: VK420
Max Pressure: 175 psi (12 bar)
Response Type: Fast (Residential)
Occupancy Type: Residential
Thread Size: 1/2" NPT (15 mm BSP)
Min Spacing: Per NFPA, FM
Max Spacing: 20 x 20 ft (6,1 x 6,1 m)
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