Viking VK481 Sprinkler
Quick detailed description : SP code VK481, Standard Quick Response Model, Concealed Direction, Factor K5.6, English : Standard Spray Concealed Horizontal Sidewall Sprinkler (K5.6) Please contact Fire Department of FireDONGNAM.VN to order .
Viking Nozzle VK481 : The Viking Quick Response Concealed Sidewall Horizontal Sprinkler VK481, is a small welded link and lever spray nozzle designed for use and installation on concealed duct systems. The sprinkler is hidden view by a low profile, small diameter visor that is installed flush with the wall. The two-piece design allows the sprinkler to be installed and tested before the visor is installed.
The push-out design, concealed panel assembly allows cover panel installation after a tested and finished system has been applied to the wall, while also allowing up to (6.4 mm) horizontal adjustment. The Viking VK481 Sprinklers cover assembly can be removed and reinstalled, allowing access behind walls without taking the sprinkler system out of service and removing sprinklers. Technical
specifications VK481 sprinkler viking
Minimum operating pressure: 7 psi (0.5 bar) Rated to 175 psi (1 207 kPa) water working pressure. Reading size: 1/2, (15 mm) NPT Nominal K-Factor: 5.6 US (80.6 metric) † Metric K-factor measurement is displayed in Bar. When pressure is measured in kPa, the K factor gives a display coefficient of 10.0. Available visor horizontal adjustment: 1/4, (6.4 mm) Overall length (Sprinkler body): 2 segments (50 mm) Protected by the following United States Patent Nos.: 7,854,269 and 7,712,218 Equipment installation details VK481 nozzle
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