We have a large production facility where there is an isolated small room that is remote from the sprinkler riser room. This small room houses tools and other equipment which the owner sees as valuable property and does not want it to get wet unnecessarily, especially during trip testing when they test the deluge system.
The sprinkler system is an open-head deluge system, except for these few regular pendent sprinklers.
Are these pendent sprinklers acceptable to be installed on a deluge system?
I was under the impression that only open-head sprinklers could be used on a deluge system.
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