A dry pipe sprinkler system is designed so that the piping itself is filled with pressurized air instead of water explains ken isman vice president of engineering for the national fire sprinkler association.
Dry pipe fire sprinkler system components.
Nfpa 13 also regulates the size of a dry sprinkler system controlled by a dry valve.
An automatic sprinkler system for a large building can represent a sizable investment but repairing the damage of an uncontrolled fire can be much more expensive.
A sprinkler system employing automatic sprinklers that are attached to a piping system containing air or nitrogen under pressure the release of which as from the opening of a sprinkler permits the water pressure to open a valve known as a dry pipe valve and the water then flows into the piping system and out.
Dry pipe sprinkler system size matters for rapid water flow.
Dry pipe systems are typically installed in areas where water is subject to freezing such as unheated facilities and parking garages.
Unlike the wet pipe fire sprinkler system filled with water a dry pipe system is filled with compressed air from a source such as an electric compressor or nitrogen bottle.
15 3 3 where dry sprinklers are connected to wet pipe sprinkler systems protecting insulated freezer structures the clearance space around the sprinkler barrel shall be sealed.
A deluge and pre action fire sprinkler system are both part of the dry pipe family.
Disadvantages of using dry pipe fire sprinkler systems include.
The pressure from the air holds a valve closed that has water behind it.
Dry pipe systems are more expensive so it is recommended to install a wet pipe system when it is possible but a dry pipe system may be installed as an addition to a.
Nowadays dry pipe fire sprinkler systems come in all shapes and sizes but the main function is still avoiding pipe freeze ups and system impairments while providing uncompromising fire protection.
System description the dry pipe sprinkler system is a fire protection system that utilizes water as an extinguishing agent while the system piping from the dry pipe valve to the automatic fusible sprinklers is filled with pressurized air or nitrogen.
In reality fire sprinklers operate automatically as they respond to heat and in many cases one sprinkler is enough to douse a fire.
Evidenced in research and development in the area of dry pipe sprinkler systems it is clear victaulic is committed to increased safety convenience and design flexibility.
Increased complexity dry pipe systems require additional control equipment and air pressure supply components which increases system complexity.
Dry pipe sprinkler system february 12 2010 page i.
Reliable s line of system components completes our portfolio of manufactured products and may be conveniently bundled and shipped to your shop or job site location.
Without proper maintenance this equipment may be less reliable than a comparable wet pipe system.
The sprinkler actuates during a fire causing the air.
