Water Flow Alarm For Sprinkler System

Systems serving more than one building will be reviewed on a case by case basis.

Water flow alarm for sprinkler system. According to section 903 4 of the international fire code ifc published by icc all valves controlling the water supply for automatic sprinkler systems pumps tanks water levels and temperatures critical air pressures and water flow switches on all sprinkler systems shall be electrically supervised. Such sprinkler water flow alarm devices shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. The small jockey pump used to keep pressure in a sprinkler system when there s no fire isn t supervised. A water flow detector commonly produced by system sensor is an electro mechanical device designed to send an alarm to a fire alarm panel and or fire department when a continuous flow of water occurs through the fire sprinkler system s piping from an activated sprinkler head or leak in the system.

Is it correct to understand that water motor alarm gong is required downstream of the alarm check valve or deluge valve. In this video from the know more risk series learn about the arrangement operation and alarm testing of a wet sprinkler system that uses an alarm check val. Where a fire alarm. Unless there s some way of removing air when a building s fire sprinkler system is worked on the air stays in the system.

They are designed to sound a continuous alarm while a sprinkler system operates. Air is compressible so when water pressure goes up due to city water pressure changes water does flow into the system. Npfa 15 section 6 4 1 3 states that. An alarm is a required component of every sprinkler system having more than 20 sprinklers.

Why are there waterflow alarms when no water is flowing. 6 4 1 3 where a separate detection system is used to activate the water spray system the alarm shall be. System sensor sprinkler monitoring devices provide the peace of mind property owners need. 4 11 sprinkler system water flow alarms pdf reference.

The viking water motor alarms are mechanical devices actuated by a flow of water. With most fire sprinkler false alarms water was flowing. If it s tuned on for a long enough time the waterflow switch could sense an alarm. Waterflow detectors monitor the flow of water to sprinkler heads.

Section 903 4 this bulletin applies to sprinkler systems serving only one building.