There are seven types of fire sprinkler system

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Accepted Answer

There are seven types of fire sprinkler systems used for different applications and environments.

Wet pipe sprinkler system - most common, water is always in the pipes ready to be discharged
Dry pipe sprinkler system - used in areas where pipes may freeze, water is held back by a valve until a fire is detected
Pre-action sprinkler system - combines features of wet and dry pipe systems, requires two triggers to release water
Deluge sprinkler system - all sprinkler heads are open and water is released simultaneously
Foam water sprinkler system - used for flammable liquid fires, mixes foam concentrate with water to create foam solution
Water spray sprinkler system - used for special hazards like flammable liquids or electrical equipment
Water mist sprinkler system - uses very fine water droplets to control or extinguish fires

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