Globe SU135 GL Series Rough Brass Upright

Standard Features: Globe GL Series Upright Type Fire Sprinkler Head Features a low-profile yet durable design, utilizing a frangible 5 mm glass ampule as the thermosensitive element Ampule is hermetically sealed, containing a precise amount of fluid When heat is absorbed, the fluid expands, shattering the glass at the prescribed temperature and discharging the water  The sprinkler and escutcheon are not factory assembled. Assembly is done in the field UL listed and FM approved Temperature rating: 135 °F Water working pressure rating: 175 psi (12 Bars) Bulb color: Orange Thread Size: 1/2" Finish: Rough Brass