extended coverage sprinkler

extended coverage sprinkler

In a fire sprinkler system, a type of spray sprinkler (i.e., sprinkler head) which extends the usual maximum area of protection; listed as a special sprinkler.
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It includes details about the piping and various sprinklers, like concealed sprinklers that are mounted flush in the ceiling and how extended coverage sprinklers can cover a maximum 20 x 20 foot area.
Extended coverage sprinklers can give the same performance as their predecessors, requiring less of them.
Other systems relatively new to the field include: extended coverage sprinklers, which allow a larger area to be covered by a single sprinkler to reduce the cost of installation; and early suppression fast response (ESFR) and large-drop sprinklers, both of which have been specifically developed for enhanced performance against high-challenge fires, says FM's Hankins.

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