The Viking Attic Upright VK697 is a specific application attic sprinkler that provides superior fire protection in combustible and non-combustible sloped attic spaces when used in conjunction with Viking’s model V-BB (Back to Back) and V-SD (Single Directional), and V-HIP specific application sprinklers. Installed in the upright position, with the deflector parallel to the roof, the Attic Upright used in combination with the model V-BB increases the allowable span from 60’ to 80’ (18,3 m to 24,4 m).  Viking Attic Upright sprinklers can be installed with either steel (black or galvanized) or CPVC piping, and allow the use of CPVC to feed the protected space below the attic (CPVC allowed on wet pipe systems only). They are available in brass or with corrosion-resistant Electroless Nickel PTFE (ENT) coatings where salt water and other corrosive elements are a consideration. Viking Attic Upright sprinklers are cULus Listed with specific application guidelines for use as special sprinklers as defined by the National Fire Protection Association (NFPA), and are listed for specific pitch range 4:12 to 12:12. (Note: The Model VK697 is covered by the following U.S. Patent No.: 8,083,002 owned by Tyco)