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WebViking Fire Sprinklers. Standard Coverage - Standard Response. Upright & Conventional. ... Microfast® HP Quick Response Fusible Element Horizontal Sidewall High Pressure Sprinkler (K2.8) Technical Data Sheet. VK351 - Microfast® Quick Response Fusible Element Upright Sprinkler (K8.0) ... Horizon® Model H 1/2" Flush Head Sprinkler Spray Pattern. WebFeb 14, 2013 · The hot air is pushed toward the ceiling, walls, or other spots where the sprinkler heads are located. When the air around them reaches a certain temperature – typically 135° F, 155° F, or 250° F (57° C, 68° C, or 121° C) – the liquid inside the bulb expands until the pressure causes the glass to break. fit711 bornheim
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