Viking® 15263F175 EasyPac Floor Control Riser Assembly With Test And Drain And PRV, 3/4" K14 ESFR Orifice, 175 PRV, Groove x Groove, 8" 23179FC They have an open design

They have an open design only (non-automatic) with an external deflector that discharges a solid uniform cone spray of low- to medium-velocity water droplets

Die cast metal construction

most applications are similar

THE ONLY ODOR CATALYST RECOMMENDED FOR USE IN THE PATENTED GAYLORD ELIMINATOR

220 Degree 18253FF Fire Sprinkler Head

Viking® 15263F175 EasyPac Floor Control Riser Assembly With Test And Drain And PRV, 3/4" K14 ESFR Orifice, 175 PRV, Groove x Groove, 8" 23179FC They have an open designViking EasyPac Floor Control Riser Manifold Assemblies are available in sizes 1 1 4, 1 1 2, 2, 2 1 2, 3, 4, 6 and 8 for commercial use, in high rise buildings requiring floor control assemblies. They are available with an AGF TESTanDRAIN valve, and or pressure relief valve (PRV) to meet NFPA 13 requirements for gridded systems and any system requiring a pressure relief valve. This configuration eliminates the need to drain the system before installing