Product Description
The System Sensor WFD20N is a water flow detector designed for compatibility with a variety of steel pipe schedules. It supports sizes from two inches to eight inches and can be installed in either vertical or horizontal orientations. The robust NEMA 4 rated enclosure is suitable for both indoor and outdoor installation, operating efficiently in temperatures ranging from thirty-two degrees to one hundred fifty degrees Fahrenheit.
- Compatible with schedule 7 through 40 steel pipe
- Easy to install with user-friendly terminals
- Includes tamper-resistant cover screws
Product Highlights
The WFD20N provides reliable water flow detection, minimizing false alarms with its built-in time delay features. It is engineered for accuracy with improved performance during vibration and is ideal for fire protection systems.
Product Information
Standard Information
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Manufacturer: System Sensor
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MPN: WFD20N
Technical Specifications
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Operating Pressure: 450 PSI
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Contact Configuration: (2) SPDT
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Contact Rating: 10 A, 1/2 HP at 125/250 VAC, 2.5 A at 6/12/24 VDC
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Conduit Entrance: 1/2 IN
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Mounting: Vertical or Horizontal
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Temperature Rating: 32 - 150 DEG F
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Industry Standards: C/US UL S739 Listed, FM 3051266 Approved
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Enclosure: NEMA 4
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Dimensions: Width 3.5 IN, Height 5 IN
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Additional Specifications: Triggering Threshold: 4 - 10 GPM, Maximum Surge: 18 FPS