System Sensor WFD 40 Water Flow Detector – 4 Inch

Name: System Sensor WFD 40 Water Flow Detector - 4 Inch
SKU: fs05022691
Availability: InStock

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Description

System Sensor WFD 40 Water Flow Detector – 4 Inch shall be installed on system piping as designated on the drawing and/or as specified herein. Detectors shall mount on any clear pipe span of the appropriate nominal size, either a vertical upflow or horizontal run, at least 4˝ from any fittings that may change water direction, flow rate, or pipe diameter or no closer than 24˝ from a valve or drain. Detectors shall have a sensitivity in the range of 4 to 10 gallons per minute and a static pressure rating of 450 psi* for 2˝ – 8˝ pipes. The detector shall respond to water flow in the specified direction after a preset time delay that is field adjustable. The delay mechanism shall be a sealed mechanical pneumatic unit with a visual indication of actuation.

Features

100 percent synchronization activates both alarm panel and local bell
Sealed retard mechanism immune to dust and other contaminants
Rugged, dual SPDT switches enclosed in a durable terminal block
Two-inch mounting hole provided in new WFD30-2 models
Field-replaceable retard mechanism and SPDT switches
Designed for both indoor and outdoor use
UL-listed models are NEMA 4 rated
Accommodates up to 12 AWG wire
Tamper-resistant cover screws
Visual switch activation

Specifications

Product: Water Flow Detector
Brand: System Sensor
Model: WFD 40
Pipe Size: 4 Inch
Hole Size: 2 Inch
Static Pressure Rating: 450 PSI
Maximum Surge: 18 Feet Per Second (FPS)
Compatible Pipe: Steel water pipe, schedule 10 through 40
Contact Ratings: Two sets of SPDT (Form C) 10.0 A, ½ HP @ 125/250 VAC 2.5 A @ 6/12/24 VDC
Warranty: 3 Years