WFDNFS Waterflow Detector
The Safe Signal WFDNFS Waterflow Detector is part of the WFDNF Series, featuring a rugged NEMA 4-rated enclosure that is more damage-resistant than traditional metal designs. It is designed for both indoor and outdoor use, operating within a wide temperature range from 32°F to 150°F. The WFDNFS model includes a glue-in adapter for CPVC tees and is engineered for high reliability, accuracy, and ease of installation.
- 🔹 Glue-in adapter for 1”, 1¼”, 1½”, and 2” CPVC tees
- 🔹 Directional cover allows easy identification of water flow direction
- 🔹 UL-listed models with NEMA 4 / IP54 rating
- 🔹 Lightweight, corrosion-resistant, and unpainted plastic cover
- 🔹 Sealed retard mechanism resistant to dust and contaminants
- 🔹 Plastic cover acts as an insulator, minimizing shock hazard and arcing
- 🔹 Visual and audible (73 dBA) switch activation
- 🔹 Field-replaceable timer/switch assembly
- 🔹 Accommodates up to 12 AWG wire
- 🔹 Dual SPDT (Form C) synchronized switches enclosed in a durable terminal block
- 🔹 Switch synchronization activates both alarm panel and local bell/horn strobe
- 🔹 Tamper-resistant cover screws
- 🔹 Wire-ready terminals and improved terminal block layout
- 🔹 Snap-in optional cover tamper switch
- 🔹 Simplified installation on CPVC fire sprinkler tees
- 🔹 Enhanced reliability and repeatability even under vibration or pressure surges
- 🔹 Reduces false alarms through mechanical time delay and sealed retard mechanism
- 🔹 Corrosion-resistant and non-conductive design ensures long life and operator safety
- 🔹 Easy maintenance with field-replaceable components and user-friendly layout
Ideal for fire sprinkler systems using CPVC tees, especially in riser applications exposed to vibration or water inrush, providing accurate and reliable waterflow detection for alarm activation and monitoring.
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