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Dwyer Model AAFS

Model AAFS Adjustable Air Flow Paddle Switch

Ranges from 200 to 1800 FPM, Stainless Steel Vane, ABS Housing

Dwyer Model AAFS
Model AAFS

The Dwyer Model AAFS Adjustable Air Flow Switch is capable of detecting a wide range of air velocities with minimal user calibration. The adjustable screw changes the set point at which the SPDT snap switch engages. Quality features include a stainless steel vane, galvanized steel base, and ABS enclosure. The unit is field adjustable from 200 to 1800 FPM (1 to 9.2 m/sec).


Dwyer Model AAFS Specifications

  • Service:Air and compatible gas.
  • Wetted Materials:Vane: SS; Lever: Brass; Base: Galvanized steel.
  • Housing:ABS.
  • Temperature Limits:Ambient: -40 to 180°F (-40 to 85°C); Process: -14 to 185°F (-10 to 85°C).
  • Humidity Limits:10 to 90%, noncondensing.
  • Switch Type:SPDT.
  • Electrical Rating:15(8) A @ 250 VAC.
  • Electrical Connection:Screw terminal with M18 x 1.5 cable gland.
  • Process Connection:Flange.
  • Mounting Orientation:Horizontal duct flow.
  • Set Point:Internal screw.
  • Enclosure Rating:IP65.
  • Weight:13.6 oz (380 g).


Available Model

  • Model AAFS Adjustable air flow paddle switch