a water flow switch in an automatic fire sprinkler system is an electro-mechanical device and alarm initiating device that is installed typically in the main (above an alarm valve) or in a branch of the sprinkler system that is used to detect water flow and therefore the activation of a fire sprinkler head or remote test valve. in this circumstance the flow switch alarm activation signal is typically used to indicate the location of water flow in the fire sprinkler system. on each floor of the building or in each fire zone a monitored sprinkler isolation (stop) valve is fitted along with a flow switch.
in summary, an automatic fire sprinkler system is fitted with a flow switch to detect the flow of water for one or each of the following two reasons; it can be difficult for a person who is not familiar with the various types of automatic fire sprinkler systems in a building to determine the function of their flow switches. it may come as a surprise to people not familiar with the operation of a fire detection and alarm system that not all fire alarm signals automatically call the fire brigade. need a quote for the routine servicing of your fire sprinkler system?
alarm and supervisory switches allow sprinkler and other fire protection systems to be interfaced with hydraulic or electronic alarm systems so that upon activation of the system, an electrical or mechanical signal activates an audible or visible alarm or computerized notification device. potter vsr series – vane type waterflow alarm switch with retard the model vsr is a vane type waterflow switch for use on wet sprinkler systems. the vsr may also be used as a sectional waterflow detector on large systems. the switches are actuated when a flow of 10 gpm (38 lpm) or more occurs downstream of the device.
system sensor wfd series water flow detectors the wfd series water flow detectors are available in a range of sizes to accommodate fire sprinkler risers from two to eight inches. pressure rating 450 psi, contact ratings 2 form c: 10 a, 1/2 hp @ 125/250 vac; 2.5 a @ 6/12/24 vdc, triggering threshold 4–10 gpm system sensor eps series pressure switches the eps series pressure switches are offered in three varieties and with one or two spdt contacts. the eps10 alarm pressure switches are ideal for dry pipe systems, while the eps40 and eps120 supervisory pressure switches are intended for supervising air pressure in pipes or pressure tanks. potter pcvs-2 crh – control valve supervisory switch with corrosion resistant hardware the pcvs-crh provides additional corrosion protection on top of the nema 4x enclosure with corrosion resistant mounting hardware.
a water flow detector, also known as a flow switch, is an electro-mechanical device designed to send an alarm to a monitored panel and/or all flow switches are designed to detect fire sprinkler activation, but only some pressure the vsr-at is a ul listed and fm approved flow switch that can be tested without flowing water—and money—down the drain. in addition to reducing the time and, sprinkler flow switch installation, sprinkler flow switch installation, fire alarm water flow switch wiring diagram, flow switch function in fire sprinkler system, sprinkler flow switch price.
we are the industry standard in flow switches for wet-pipe and dry-pipe fire sprinkler monitoring systems. see why we’ve been successful since 1898! a flow switch is typically mounted on the side of a pipe where water flow is expected to be detected in the event of a sprinkler head activation the flow switch is usually mounted on the main fire sprinkler riser (and in some case secondary as well). it has a plastic vane or paddle, which., flow switch sensor, tamper and flow switch wiring diagrams, sprinkler flow switch testing, sprinkler flow switch false alarm, water flow alarm for sprinkler system, potter flow switch, potter flow switch pdf, sprinkler tamper switch, water flow switch types, fire sprinkler flow switch time delay.
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