الوصف

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 ***0 gallons per minute and a static pressure rating up to **0psi for **8 (*0mm thru **0mm) 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 **0PSI (3.1MPa)
• Flow Sensitivity Range for Signal: ***0GPM (15.0**7.5L/min)
• Maximum Surge:      *8FPS (5.5m/s)
• Contact Ratings:       Two sets of SPDT (Form C)
                                *0.1Amps at **5/**0 VAC
                                2.0Amps at *4 VDC
• Delay time:             Can be adjustable from ***0secs
• Warranty:                 3 Years