Viking® VK110, Model M, 5.6K, Standard, Fusible Link, Pendent, SR, 1/2" NPT, Black, 220 Degree 12972MF/B Fire Sprinkler Head pressure switch They are suppression mode sprinklers

They are suppression mode sprinklers that are especially advantageous as a means of eliminating in-rack sprinklers

BE158732S9

53-101-7-212

Manufacturer Part Numbers:  568504001

Viking® VK110, Model M, 5.6K, Standard, Fusible Link, Pendent, SR, 1/2" NPT, Black, 220 Degree 12972MF/B Fire Sprinkler Head pressure switch They are suppression mode sprinklersViking VK110, Model M, 5. 6K, Standard, Fusible Link, Pendent, SR, 1 2" NPT, Black, 220 Degree 12972MF B Fire Sprinkler Head Pendent, Micromatic, Standard Response, 5. 6 K Factor, Standard Orifice, 1 2 inch NPT, Sprinkler, Light, Ordinary, and Extra Hazard, (General reference only Always refer to technical datasheet for accurate listings and approvals) Available In Multiple Colors and Temperatures. See Other Configurations Drop Down. SPEC SHEET