dry sprinkler en · NOUN
Meanings
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A sprinkler (fire protection device) having pressurized air in the distribution pipes until a heat-activated sprinkler head opens and releases the stored air pressure, which opens the water valve.
A dry sprinkler may be used where there is a risk of water freezing solid within the pipes.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| dry sprinklers | Number=Plur | lexicographic |