VK540 – Standard Response High Challenge® Upright Sprinkler CMSA (K11.2)

The Viking Standard Response High Challenge® Upright Control Mode Specific Application VK540 is a thermosensitive, glass-bulb sprinkler intended for use in protecting high piled storage occupancies in accordance with NFPA 13 rules for CMSA sprinklers (formerly known as Large Drop) and FM Global criteria for non-storage and storage sprinklers.