When heat from a fire approaches about 20 degrees below the temperature that the fire sprinkler will activate, the cover plate falls off, exposing the glass bulb to the heat so the sprinkler can engage shortly thereafter. These are similar to pendent sprinklers, but they’re installed higher in the ceiling and hidden behind a cover plate. Concealed fire sprinkler heads are the answer. They want fire protection, but not at the expense of aesthetics. Many people are put off by the appearance of fire sprinkler heads. Despite their unique location, sidewall sprinklers act the same as other fire sprinkler heads and are just as effective at extinguishing flames. Sidewall fire sprinkler heads protrude through the wall and have a unique deflector design that allows water to spray in a crescent or half-circle shape. Hotel rooms are the most common application for this fire sprinkler head style.
You might find sidewall fire sprinkler heads in small rooms, hallways, and other areas where the sprinkler plumbing system runs through the walls instead of the ceiling. When heat from a fire activates them, water shoots upward and immediately deflects downward thanks to a concave deflector. They are mounted on pipes so they face the ceiling. Warehouses, mechanical rooms, and other facilities with no drop ceiling or drywall can also utilize upright fire sprinkler heads.Īs their name suggests, upright fire sprinkler heads stand upright. This style is best suited for commercial buildings with structures such as beams and ductwork that block the ceiling. Once water begins to flow from a pendent sprinkler head, it hits the deflector and sprays outward in a wide arch, providing the best coverage of any fire sprinkler head. Pendent fire sprinkler heads protrude from the ceiling like a miniature pendant light fixture. You’ll find them in commercial applications, such as offices, hotels, and factories, as well as in residences. These are the most common type of fire sprinkler head in use today. It’s important to realize that sprinkler heads activate individually with the goal of reducing water damage while still dousing the flames effectively. With the bulb out of the way, water flows freely from the sprinkler head and floods the room below with water to extinguish the fire. When a fire ignites below the sprinkler, the heat expands this liquid and the bulb bursts. All sprinkler heads feature a glass bulb filled with a glycerin-based liquid. No matter what type of fire sprinklers you choose, know that they all work in the same fundamental way.
By learning more about each style, you may gain a better understanding of which ones will work best for your Houston-area building. In addition to the different types of fire sprinkler systems, you also have a choice of different fire sprinkler heads.
FIRE SPRINKLER DESIGN PROGRAMS CODE
You need to choose the right design to meet the needs and code requirements of your building. When it comes to fire sprinkler systems, one size certainly doesn’t fit all.
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