Static Pressure Rating 450 PSI* Operating Temperature Range 32°F to 120°F (0°C to 49°C) Maximum Surge 18 Feet Per Second (FPS) Enclosure Rating* NEMA 4 – suitable for indoor/outdoor use Triggering Threshold Bandwidth (Flow Rate) 4–10 GPM Cover Tamper Switch Standard with ULC models, optional for UL models, part no. 546-7000 Conduit Entrances Two openings for ½˝ conduit. One open, one knock-out type Service Use Automatic Sprinkler: NFPA-13 One or Two Family Dwelling: NFPA 13D Residential Occupancies up to 4 Stories: NFPA 13R National Fire Alarm Code: NFPA-72 Contact Ratings Two sets of SPDT (Form C) 10.0 A, ½ HP @ 125/250 VAC 2.5 A @ 6/12/24 VDC U.S. Patent Numbers 5,213,205 Compatible Pipe Steel water pipe, schedule 10 through 40
The System Sensor WFD series is compatible
with schedule 10 through 40 steel pipe, sizes
2˝ through 8˝, and can be mounted in a vertical
or horizontal position
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