SHIELD sprinklers, models SD1050 and SD1055 (glass bulb type), with their standard and fast-response design, are concealed sprinklers equipped with a breakable glass bulb that responds to heat, ensuring fast and accurate operation. Their hydro-formed frame is also sleeker and more attractive than traditional sand-cast frames. SHIELD fire sprinkler Search terms Safety systems, fire systems, water sprinkler, automatic spray Fire pumps, fire pump