WFDEXP Waterflow Detector
Explosion proof waterflow detector, NEMA 4 cast aluminum, sealed retard, two SPDT switches, 32°F to 160°F.
MEP Product Category
Waterflow Detectors
Waterflow detectors sense sustained water flow in sprinkler piping and signal an alarm after an adjustable retard period. Explore Safe Signal vane type, T-tap, CPVC, and explosion proof waterflow detectors.
Vane Type
T-Tap & Branch Lines
CPVC Adapters
Explosion Proof
Adjustable Retard
Safe Signal Waterflow Detectors
Available Waterflow Detectors
Browse Safe Signal waterflow detectors for fire sprinkler systems, including WFDN, WFDTN, WFDNFT, WFDNFS, WFDEN and the WFDEXP explosion proof model.
WFDNFT Waterflow Detector
Waterflow detector with NPT threaded adapter for metal and CPVC tees, NEMA 4 / IP54, dual SPDT switches.
WFDEN Waterflow Detector
CPR compliant waterflow detector with IP56 enclosure, sealed retard and 0°C to 68°C operating range.
WFDNFS Waterflow Detector
Waterflow detector with glue-in adapter for 1" to 2" CPVC tees, NEMA 4 / IP54, dual SPDT switches.
WFDTN Waterflow Detector
T-tap waterflow detector for residential and branch lines, 375 psi, 4–10 GPM threshold, NEMA 4.
WFDN Waterflow Detector
Vane type waterflow detector for 2" to 8" steel pipe, 450 psi, 4–10 GPM threshold, NEMA 4 enclosure.