Viking Specific Application Early Suppression Fast Response (ESFR) Pendent Sprinkler VK514 incorporates the capability to suppress specific high-challenge fires. The addition of a larger K-Factor allows protection of higher hazard commodities at greater ceiling heights with lower end-head pressures. K28.0 sprinklers can provide flexibility of fire protection designs and eliminate the use of in-rack sprinklers when protecting high piled storage of certain specified materials up to: UL - 43 ft. (13.1 m) with ceilings up to 48 ft. (14.6 m) and FM - 50 ft. (15.2 m) with ceilings up to 55 ft. (16.8 m) OR 45 ft. (13.5 m) with ceilings up to 50 ft. (15.2 m).

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