Sprinkler System

Downtown_Charlottesville

fire-hydrant-systems

Downtown_Charlottesville

fire-hydrant-systems

Fire Sprinkler System:

The automatic fire sprinkler system is the most widely used fire protection system today. Many ordinary hazard systems used to be fed directly from the town's mains, but increasingly a water tank and pumps are being installed to guarantee adequate water flow and pressure. Types of fire sprinkler systems:

  • Wet System
  • Dry System
  • Pre-Action System
  • Deluge System

We design and install all of these systems from start to finish.

Wet Pipe Fire Sprinkler System

Wet pipe systems are the most common fire sprinkler system. Wet pipe system uses automatic sprinklers attached to a piping system containing water and connected to a water supply so that the water discharges immediately from sprinklers operated by the heat from a fire. Wet pipe systems are typically used in accommodation and similar areas with solid combustibles.

 

 

Dry Pipe Fire Sprinkler System

A dry pipe sprinkler system is one in which pipes are filled with pressurized air or nitrogen, rather than water. This air holds a remote valve, known as a dry pipe valve, in a closed position. Located in a heated space, the dry-pipe valve prevents water from entering the pipe until a fire causes one or more sprinklers to operate. Once this happens, the air escapes and the dry pipe valve releases. Water then enters the pipe, flowing through open sprinklers onto the fire.

Dry pipe sprinkler systems provide automatic protection in spaces where freezing is possible. Typical dry pipe installations include unheated warehouses and attics, outside exposed loading docks and within commercial freezers.

 

Pre-action Fire Sprinkler System

A pre-action fire sprinkler system applies the same primary concept of a dry pipe system, in that there is no water held inside the pipes. The only difference is an electrically operated valve, called a pre-action valve, controls water into the piping system. Before the sprinkler will operate, the detection system must recognize a fire and allow water into the system. Then the individual sprinkler heads will release water over the fire. There are two main sub-types of pre-action fire sprinkler system:

  • Single interlock
  • Double interlock

 

DELUGE SYSTEMS

A deluge fire sprinkler system is similar to a pre-action system except the sprinkler heads are open and the pipe is not pressurized with air. Deluge systems are connected to a water supply through a deluge valve that is opened by the operation of a smoke or heat detection system.

 

ADVANTAGES
  • Less expensive than other methods
  • Uses water, the most abundant extinguishant in the world