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Exposed pendent sprinkler head.
Pendant sprinkler heads are the most common heads for your sprinkler systems.
The cost of a sprinkler head typically ranges from about thee dollars to almost twenty dollars per head.
When these heads are activated a stream of water is sent downward onto the deflector which disperses the water throughout the room.
Upright style sprinkler heads are designed to be installed above support piping and can only be used with exposed piping.
There are two main criteria for the location of sprinkler heads.
Wrench for sprinkler heads.
Pendant sprinklers used mostly in office or home buildings may be visible or not.
First sprinklers must be located so they are within the hot gas layer that develops near the ceiling during a fire because activation occurs when the sprinkler head reaches a certain temperature.
Unlike concealed pendent sprinklers which hide behind decorative plates the head of a traditional pendent fire sprinkler remains visible after installation.
A fusible link sprinkler head has a two part metal element that is fused by a heat sensitive alloy.
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A pendent sometimes spelled pendant fire sprinkler hangs from above ceiling pipes and distributes water in a domed or conical pattern using a convex deflector.
Water is then released.
Upright sprinklers used mostly in warehouses or large structural buildings do not hide behind the ceiling.
Tyco fire protection products is a leading manufacturer of water based fire suppression system components and ancillary building construction products.
This price range has to do with the variations in how the body and nozzle designed.
Water distribution for standard pendant sprinkler.
When concealed pendant sprinklers hide under the ceiling under a special cap that falls away when the surrounding temperature rises to a prescribed level.
Once the ambient temperature around the sprinkler head reaches a specified temperature the alloy releases and the metal elements separate which causes the pip cap to fall away.
Pendent style sprinkler heads are designed to be suspended below support piping.
A simple hose attachment with few moving parts will be less expensive than a large turf rotor with many small exposed moving parts.
They can be used with exposed piping or finished ceilings.
