VK488 - Residential Concealed Fusible Element Pendent Sprinkler (K3.0)

Viking Freedom® Residential Concealed Pendent Sprinkler VK488 is a small high-sensitivity solder link and lever residential sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired. The orifice design, with a K-Factor of 3.0 (43.2 metric*), allows the sprinkler’s efficient use of available water supplies for the hydraulically designed fire-protection system. The operating element and special deflector characteristics meet the challenges of residential sprinkler standards.

http://www.vikinggroupinc.com/databook/sprinklers/residential/073012.pdf