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Fire & Water - Cleanup & Restoration

Types of Commercial Sprinkler Systems

6/30/2021 (Permalink)

red sprinkler on white background Choosing the right sprinkler system for your facility can save thousands of dollars in damage should you sustain a fire loss.

Commercial fire sprinkler systems are designed to expel water until they are shut down manually. Choosing the appropriate system for your property and occupancy can mitigate possible water damage.

Wet Pipe System

Most common

  • Pipes are filled with water
  • Heat from a fire triggers the system and opens the sprinklers closest to the fire
  • Usually, only one or two sprinklers open

Dry Pipe System 

For areas with below freezing temperatures

  • Pipes are filled with pressurized air or gas used to hold water back in a heated space. 
  • Heat from a fire opens the sprinklers closest to the fire 
  • Air escapes and the dry pipe valve opens to allow water flow
  • Usually, more sprinklers open than with a wet pipe system

Deluge System

For use in hazardous environments prone to fast-spreading fires

  • Pipes are not filled with water or gas
  • All sprinklers stay open
  • A signal from a fire detection device opens the deluge valve
  • Water will flow from all sprinklers

Pre-Action System

For areas where concerns or water or fire damage to property are high

  • Pipes are filled with pressurized air or gas
  • Loss of air or gas pressure summons maintenance
  • A signal from a fire detection device opens the pre-action valve, filling the pipes with water
  • Because sprinkler heads are closed, heat from a fire opens the sprinklers closest to the fire
  • Usually only one or two sprinklers open (similar to the wet pipe system). However, ”double interlock” pre-action systems use more air or gas pressure in the pipes, delaying the water delivery and allowing more sprinklers to open at a time (similar to dry pipe systems)

In the event that your business or building sustains damage from water or fire, SERVPRO of Highland Park/Deerfield is Here to Help.  We have the advanced expertise and technology to minimize loss of use in your facility.  Call us for your emergencies 24/7/365 at 847-432-1222.

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