Home > System Sensor > Sprinkler Systems Monitoring > Waterflow Detectors > System Sensor WFD40 Waterflow Detector, 4" Pipe Size
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Description   System Sensor WFD40 Waterflow Detector, 4" Pipe Size Also known as: BK-WFD40 The System Sensor WFD40 is a waterflow detector for use with 4" pipe. The System Sensor WFD series is compatible with schedule 10 through 40 steel pipes, sizes 2" through 8", and can be mounted in a vertical or horizontal position. The WFD series consists of a rugged, NEMA 4-rated enclosure. Designed for both indoor and outdoor use, the WFD series operates across a wide temperature range, from 32 degreesF to 120 degreesF. UL-listed models are equipped with tamper-resistant cover screws to prevent unauthorized entry. Inside, two sets of SPDT (Form C) synchronized switches are enclosed in a durable terminal block to assure reliable performance. The WFD series incorporates a mechanical retard feature, which minimizes the risk of false alarm due to pressure surges or air trapped in the sprinkler system. In addition, the mechanical retard's unique sealed design is immune to dust and other contaminants. The WFD series is designed to simplify installation. Two conduit openings permit easy attachment to the local alarm system. The retard mechanism and dual SPDT switches are field-replaceable. UPC: 783863001574 Average rating: 5.0, based on 2 reviews For more information about the System Sensor WFD40, please contact us.

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