Viking Fire Nozzle VK480
Product code VK480, K Factor 4.0 (8),
Viking Freedom® Residential Fire Sprinkler VK480 (Viking Freedom®) for horizontal concealed residential use is a highly sensitive small weld joint and residential sprinkler designed for installation on concealed duct systems hidden, in which the appearance of a smooth wall is required. The sprinkler hole design, with a K Factor of 4.0 (57.7 meters), allows the sprinkler to efficiently utilize the available water supplies for the hydraulically designed fire suppression system
Viking Fire Nozzles VK480 are operated with exceptional deflection properties that meet the challenges of residential sprinkler standards. Also covered with special coating Electroless Nickel PTFE (ENT) is installed in corrosive environment qualified against corrosion. The sprinkler is hidden view by a low profile, small diameter visor installed the wall. Cover panels are available in several decorative finishes to accommodate a two-piece design requirement that allows sprinkler installation and testing prior to visor installation. Once the system has been tested and a wall finish has been applied, the push-up design of the visor assembly allows for easy mounting of the cover plate with an adjustment up to 1/4 1/4 (6.4 mm). The VK480 sprinkler is provided with a piping guide to properly position the nozzle and to allow 1/4 adjustment of the cover plate.
Basic specifications of Viking Fire Vk480 . nozzle
- Minimum operating pressure: Refer to Approval Chart.
- Maximum working pressure: 175 psi (12 bar).
- Factory hydrostatically tested to 500 psi (34.5 bar).
- Reading size: 1/2, (15 mm) NPT
- Factor K-Factor: 4.0 U.S (57.7 metric )
K-factor measurements are displayed in Bar. When the pressure is measured in kPa, divide the K-factor by the factor displayed by 10.0. - Horizontal adjustment of visor available: 1/4, (6mm)
- Overall length (Spray body): 2 Burners (50 mm) Protected by the following US Patents Numbers: 7,712,218 and 8,960,319 - Residential Quick Response Type
- Landscape Style Diagram of installation location of Viking fire hydrants VK480
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