Series FS-2 Vane Flow Switch

Vane Flow Switch
Low Cost, Field Adjustable Set Point and Paddle


Low Cost, Field Adjustable Set Point and Paddle

The SERIES FS-2 Vane Flow Switches offers an economical flow proving solution. The FS-2 paddles are adjustable to fit 1 to 8" size pipe.

Product Applications

  • Boiler flow proving
  • Hot water heaters
  • Chillers
  • Cooling lines
  • Machinery
  • Liquid transfer systems
Service: Compatible liquids.
Wetted Materials: Bellow: Tin-bronze; Vane: SS; Body: Forged brass.
Temperature Limits: 230°F (110°C).
Pressure Limits: 145 psig (10 bar).
Enclosure Rating: NEMA 4 (IP64).
Switch Type: SPDT snap switch.
Electrical Rating: 10 A res, 3 A ind @ 250 VAC.
Electrical Connection: Cable gland with attached wire leads or optional conduit connection.
Process Connection: 1" male NPT or BSPT.
Mounting Orientation: Switch must be installed vertically on horizontal pipe runs.
Set Point Adjustment: Four vane combinations and an adjustment screw.
Enclosure: Die-cast aluminum alloy.
Weight: 28.22 oz (0.8 kg).
Agency Approvals: CE.
  • Field adjustable set point adjustment screw allows for easy flow switch modification
  • Custom application set points enabled by field adjustable vane layers
  • Aluminum weatherproof housing permits outdoor installation