High quality water flow switch with retard

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