Housing & Environment
- NEMA 4 rated cast aluminum housing.
- Designed and approved for hazardous locations.
- Operating temperature range: 32°F to 160°F.
Explosion Proof Flow Detector
Safe Signal WFDEXP Explosion Proof Waterflow Detector
WFDEXP Series — NEMA 4 cast aluminum, two SPDT (Form C), 32°F to 160°F
WFDEXP Waterflow Detector from Safe Signal is an explosion proof waterflow detector for hazardous locations, with a NEMA 4 cast aluminum housing, sealed retard and operation from 32°F to 160°F.
Manufactured by
Safe Signal
Safe Signal WFDEXP Explosion Proof Waterflow Detector
Review the confirmed product information, including description, features, benefits, and applications.
The WFDEXP Series Explosion Proof Waterflow Detector from Safe Signal is designed to handle extreme conditions in hazardous environments. It features a NEMA 4 rated cast aluminum housing suitable for indoor and outdoor use and operates across a temperature range of 32°F to 160°F.
Inside, two sets of SPDT (Form C) synchronized switches are enclosed in a durable terminal block. The sensitivity-setting spring mechanism is located outside the explosion environment, and new WFD30-2EXP models install in 2" hole sizes.
Mechanism
- Sensitivity-setting spring mechanism located outside the explosion environment.
- Sealed retard mechanism.
- Visual switch activation.
Electrical
- Two sets of SPDT (Form C) synchronized switches in a durable terminal block.
- Synchronized activation circuit.
- Only one conduit entrance required for hook-up.
Installation & Service
- New WFD30-2EXP models install in 2" hole sizes.
- Field-replaceable terminal block and retard mechanism.
Hazardous Areas
Consistent operation in hazardous and extreme environments.
Protected Spring
Protected sensitivity spring supports stable and accurate operation.
Sealed Retard
Sealed retard mechanism prevents contamination and extends product life.
Easy Verification
Visual switch activation allows easy verification in noisy conditions.
WFDEXP waterflow detectors are intended for installation in classified hazardous locations.
Flammable Gas Areas
Class I, Groups B, C and D, Division 1 and 2 hazardous locations.
Combustible Dust Areas
Class II, Groups E, F and G, Division 1 and 2 hazardous locations.
Ignitable Fibre Areas
Class III, Division 1 and 2 hazardous locations.
Need support with this explosion proof waterflow detector?
Share your pipe size, hazardous area classification, and alarm circuit details, and our MEP team will support you with the suitable product information.
Other Products in Waterflow Detectors
Explore other products available within the same product category and open each page for complete technical details.
Safe Signal WFDNFT Waterflow Detector
View confirmed product details and technical information for Safe Signal WFDNFT Waterflow Detector.
Safe Signal WFDEN Series Waterflow Detector
View confirmed product details and technical information for Safe Signal WFDEN Series Waterflow Detector.
Safe Signal WFDNFS Waterflow Detector
View confirmed product details and technical information for Safe Signal WFDNFS Waterflow Detector.
Safe Signal WFDTN Series Waterflow Detector
View confirmed product details and technical information for Safe Signal WFDTN Series Waterflow Detector.
Safe Signal WFDN Series Waterflow Detector
View confirmed product details and technical information for Safe Signal WFDN Series Waterflow Detector.