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  Model XAFT - Exhaust Valves  
  • Exhaust flow control in critical spaces including laboratories, industrial air flow applications, and hazardous environments
  • VAV fume hood applications utilizing face velocity controls
  • General room exhaust
  • Round inlet and outlet for installation in round / spiral ductwork.
  • Normally open or closed fail safe positions using rapid response pneumatic actuators
  • Control strategies using pneumatic, analog, or direct digital control (DDC) systems
Product Features
  • Round inlet sizes from 5" to 16" diameter.
    Rectangular 24" x 16" available.
  • Velocity wing sensor with 20 sensing points for extremely accurate airflow sensing – fire retardant ABS plastic.
  • Solid 1/2" ø cast aluminum shaft machine riveted to damper blade assembly insures years of trouble free and safe operation
  • Rigid, 20 gauge galvanized construction with rolled stiffening beads / duct stops
  • Damper includes a cross-linked polyethylene perimeter lip seal that is highly resistant to most chemicals
  • 90° damper rotation from full open to closed
  • Self-lubricating damper shaft bearings
  • Balancing taps and calibration chart are standard to aid field adjustment and commissioning
  • Valve available in aluminum or 304 / 316 stainless steel construction (“exposed to flow” parts)
  • PX-2 cross flow sensor (PVC center hub) or Traversing style sensors available with orifice plates for high degree of flow range flexibility (Aluminum or 304/ 316 stainless steel)
  • Un-obstructive air flow sensors
  • Orifice plates to amplify low signals from airflow sensors for increased accuracy
  • Phenolic coating for improved fume protection against acids, alkalies, solvents, and inorganic salts
  • Digital, analog, or pneumatic control systems
Sound Data

IOM Manual
Control Packages Selector

Analog & DDC
Control Packages

Control Packages
Model Features  
XAFT Exhaust Valve