www.pmmag.com/articles/88470-viking-adds-large-k-factor-sprinkler
Viking Adds Large K Factor Sprinkler
October 3, 2005

Viking Corp. has added a new 7.4 (10,7) K factor pendent fire sprinkler (VK458) to its FreedomĀ® line. It provides the lowest starting pressures for NFPA 13 residential applications, including hotels, dormitories, and high-rises. Offerings come in brass, chrome, black, and white standard finishes and are available with surface-mounted, adjustable, and recessed escutcheons. For ease of installation, the sprinkler is available with recessed adjustments up to 5/8 inch.