Pre Action Sprinkler System Diagram

Pre action sprinkler systems are specialized for use in locations where accidental activation could damage high value physical assets as in archival vaults museums libraries or data centers. Pre action fire sprinkler systems employ the basic concept of a dry pipe fire sprinkler system in that water is not normally contained within the pipes.

Automatic Sprinkler Systems

The difference however is that water is held from piping by an electrically operated valve known as a pre action valve.

Pre action sprinkler system diagram. A pre alarm of a possible fire allows time for alternate fire extinguishment prior to a sprinkler discharge. The difference however is that water is held from piping by an electrically operated valve known as a pre action valve. Victaulic preaction sprinkler systems are available in electric autoconvert to ensure you can select the best preaction device for the environment.

Similar to a dry pipe system a pre action sprinkler system uses piping charged with air or nitrogen under pressure. Dry pipe and preaction sprinkler systems revision 1 august 19 2014 211316 4 g. Pre action fire sprinkler systems employ the basic concept of a dry pipe system in that water is not normally contained within the pipes.

Insert number per cent including losses through water service piping valves and backflow pre venters. Sprinkler occupancy hazard classifications. Pre action systems are used to protect areas where water damage from damaged sprinklers or piping must be avoided.

Based on the unique floor plan of home you re building sprinkler designer determines piping design and appropriate number type layout a preaction system is which employs automatic and closed type sprinkler heads connected to piping that contains air either pressurized or. Pre action fire sprinkler systems employ the basic concept of a dry pipe system in that water is not normally contained within the pipes. Operation and maintenance manuals.

Margin of safety for available water flow and pressure. But rather holding water from piping via pressurized air or nitrogen pre action sprinkler systems restrain water with an electrically operated valve known as a pre action valve. Sprinkler system design shall be approved by authorities having jurisdiction.

Furnish four 4 instruction manuals containing complete operation and maintenance instructions for the specific make and model of all check valves detector. Preaction fire sprinkler systems are best used in locations where accidental activation resulting in water damage could be costly ie. Pre action sprinkler system diagram.

Posted on may 22 2016 by admin.

Hd Range Of Ul Listed Pre Action Systems Fire Magazine