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  2. Matched precipitation rate - Wikipedia

    en.wikipedia.org/wiki/Matched_precipitation_rate

    In order to be "matched" all sprinkler heads in a given zone must have the same rate of precipitation. This can be achieved by matching the gallonage of a standard rotor to its arc and reducing range accordingly (i.e. 2 gallons at 90 degrees, 4 gallons at 180 degrees, or 8 gallons if the head does a full circle) or by using MPR nozzles or ...

  3. Impact sprinkler - Wikipedia

    en.wikipedia.org/wiki/Impact_sprinkler

    Impact sprinkler head. An impact sprinkler (sometimes called an impulse sprinkler) is a type of irrigation sprinkler in which the sprinkler head, driven in a circular motion by the force of the outgoing water, pivots on a bearing on top of its threaded attachment nut. Invented in 1933 by Orton Englehart, it quickly found widespread use.

  4. Irrigation sprinkler - Wikipedia

    en.wikipedia.org/wiki/Irrigation_sprinkler

    An impact sprinkler head in action Sprinklers spraying water to irrigate vine plants in a vineyard. An irrigation sprinkler (also known as a water sprinkler or simply a sprinkler) is a device used to irrigate (water) agricultural crops, lawns, landscapes, golf courses, and other areas. They are also used for cooling and for the control of ...

  5. Irrigation controller - Wikipedia

    en.wikipedia.org/wiki/Irrigation_controller

    For example, the typical professional controller will calculate the actual flow rate running in the system when a specific zone is operated, compare this to a pre-configured required amount, and adjust the irrigation process if deviation from the zone's flow rate is detected; This mechanism is called "Flow monitoring", and can prevent ...

  6. Fire sprinkler system - Wikipedia

    en.wikipedia.org/wiki/Fire_sprinkler_system

    A sign warns hotel guests not to hang items from fire sprinklers. Each closed-head sprinkler is held closed by either a heat-sensitive glass bulb or a two-part metal link held together with fusible alloy. The glass bulb or link hold in place a "pip cap" which acts as a plug to prevent water from flowing, unless the ambient temperature around ...

  7. Fire sprinkler - Wikipedia

    en.wikipedia.org/wiki/Fire_sprinkler

    A fire sprinkler mounted on a ceiling. A fire sprinkler or sprinkler head is the component of a fire sprinkler system that discharges water when the effects of a fire have been detected, such as when a predetermined temperature has been exceeded. Fire sprinklers are extensively used worldwide, with over 40 million sprinkler heads fitted each year.

  8. Sprinkler fitting - Wikipedia

    en.wikipedia.org/wiki/Sprinkler_fitting

    Sprinkler fitting is a skilled trade that consists of assembling, installing, testing, repairing, inspecting, and certifying automatic fire suppression systems and their associated piping in commercial, industrial and residential buildings.

  9. Weatherhead - Wikipedia

    en.wikipedia.org/wiki/Weatherhead

    A weatherhead on a residence in Mount Vernon, Washington, US. A weatherhead, also called a weathercap, service head, service entrance cap, or gooseneck (slang) is a weatherproof service drop entry point where overhead power or telephone wires enter a building, or where wires transition between overhead and underground cables.