The WFAR water flow indicators shall be installed on system piping as designated on the drawing and/or as specified herein. Water flow indicators shall mount on any clear pipe span of the appropriate normal size, either a horizontal or vertical pipe. The indicators shall have a sensitivity in the range of 4-10 gallons per minute and a static pressure rating up to 450psi for 2”-8” (50mm thru 200mm) pipes. The indicator shall respond to water flow in the specified direction after a preset time delay that is field adjustable. The retard structure shall be a sealed mechanical pneumatic unit with visual time delay adjustment.
• Service Pressure: Up to 450PSI (3.1MPa)
• Flow Sensitivity Range for Signal: 4-10GPM (15.0-37.5L/min)
• Maximum Surge: 18FPS (5.5m/s)
• Contact Ratings: Two sets of SPDT (Form C)
10.1Amps at 125/250 VAC
2.0Amps at 24 VDC
• Operating Temperature Range: 40º F to 120ºF (4.5ºC to 49ºC)
• Enclosure Rating: NEMA 4- suitable for indoor/outdoor use
• Warranty: 3 Years
