Deluge System

Deluge system is usually used when large quantities of water needed quickly to control a fast fire. Those valves can be electrically or hydraulically operated. Deluge fire sprinkler system is same as wet or dry pipe system but with 2 differences:

1. Sprinklers are all open. Activating elements are removed so when the control valve is opened water will flow from all of the sprinklers and deluge the area with water simultaneously.
2. Deluge valve is normally closed and valve opened when activated by separate fire detection system.

Closed System

This system is similar to deluge system but has more safety mechanisms in place to prevent water from accidental activation like museums, data-centers, etc… .  Unlike the dry pipe system, water in pre-action systems is held back by an electronic pre-action valve that is activated by an independent fire detection system, not by the sprinkler heads. The piping is often filled with pressurized air.  In this type of systems, Water will not discharge from the system until the fire generates planned amount of heat to operate sprinklers.

In some systems like double closed system, there are 2 things before water dispatched into pipes:

1. The independent fire detection system
2. The sprinkler heads must be activated

If one is activated and not the other, the water will not be released. This adds a double layer of safety against accidental activation and water damage.

(Conventional / Addressable)

Difference between conventional and addressable systems is scale.

Conventional is ideal for small buildings, such as individual offices. They go off individually when they detect smoke or heat and will help everyone escape from your building safely and quickly.

Addressable fire alarms are far better for large buildings. Its also can be customized in a variety of ways, like Different devices having different alarm thresholds based on their location. Also, Scalable networks that allow you to add zones with ease.

Conventional  System

The Good

• Cheaper Cost
• Simple setup
• Compatibility between different brands

The Bad

• Cant exactly locate fire
• Installation may be expensive

Addressable System

The Good

• Effective in locating fire
• Display event logs
• Control each device sensitivity

The Bad

• Expensive
• Less Compatibility between different brands
• Complicated setup

Fire Suppression Systems

Fire suppression systems are used to prevent fire spread in facility or building. Suppression systems use a combination of dry chemicals or wet agents to suppress fire.

• CO₂
  • System Provides heavy blanket of gas that reduces the oxygen level below combustion level. Since it’s unsafe for people, CO₂ is only recommended for areas inaccessible by employees or customers.

• FM200
  • FM200 fire suppression system is a waterless fire protection system, it is usually discharged within 10 seconds and suppresses the fire immediately.

• Aerosol
  • It employs a fire extinguishing agent, very fine solid particles.  Aerosol particles & gases generated by exothermic reaction. Aerosol is effective regardless of the place & height of fire not like dry chemical systems, which must be directed to fire.

• Dry Chemical
  • This system is usually used in industrial facilities. System uses dry compounds to extinguish fires where water is unavailable. Systems are efficient because they are non-conductive, they can be utilized to quell fires and liquid fires that involve electrical equipment.

• Wet Chemical
  • This system is the most common fire suppression system. This extinguishing method is specific to the cooking fires. Liquid suppressant cools flame immediately when sprayed. When the liquid contact oils and fats, it reacts to produce foam immediately as well subsequently cool affected area & prevent fire from reigniting.