Click here for a printable version of this article.

June 2015: Protecting Storage Areas - Viking's New Automatic Sprinkler Head (Increased K-Factor)

The Viking Corporation has introduced the next size in Early Suppression Fast Response (ESFR) technology with their model VK514 sprinkler head. This pendent head has a nominal Kfactor of 28.0 (404 metric), with a 1in. NPT thread. Temperature ratings are ordinary and intermediate.

Underwriter's Laboratories (UL) has tested and Listed this sprinkler head as a Specific Application ESFR head. Protection is available for Class I, II, III, IV and, cartoned non-expanded plastic commodities in high-piled storage configurations, with the following limitations:

With the above criteria, the sprinkler system should be designed for the 12 most heads operating at a minimum end head pressure of 35 psi (2.4 bar), yielding a minimum flow of 168 gpm (628 lpm) per head.

Risk Logic Inc. can help in your choice for sprinkler technology when protecting your storage areas.