TTap Waterflow Detectors System Sensor（TTap水流探测器系统传感器）.pdf

T-Tap Waterflow Detectors System Sensor T-Tap Waterflow Detectors are designed for primary signaling in residential systems and branch line signaling in larger systems. Features Both the WFDT retard model and the WFDTNR non-retard model fit • Sealed retard mechanism (Model WFDT) any tee that has a 1˝ NPT branch, including: 1˝, 1¼˝, 1½˝ and 2˝ NPT threaded ferrous and brass tees; 1˝, 1¼˝, 1½˝ and 2˝ copper sweat • Visual switch activation (Model WFDT) ® ® tees; Tyco, Spears , Victaulic and NIBO brand 1˝ CPVC tees; and 1½˝ • Twelve different flexible plastic paddles polybutylene tees. • Vertical or horizontal mount Design. The design of the WFDT and WFDTNR makes them easy • Durable, tamper-resistant enclosure to install and simple to maintain. Either can be mounted in the • Dual SPDT switches in durable terminal block vertical or horizontal position. Two conduit openings permit easy • Sizes marked on flexible plastic paddles attachment to the local alarm system. The retard mechanism (Model WFDT only) and switch assemblies are field-replaceable. • 100 percent synchronization activates both alarm panel and local bell • Accommodates up to 12 AWG wire Features. Twelve different flexible plastic paddles fit 1˝, 1¼˝, 1½˝ and