Direct Drive Square Inline Centrifugal Duct Fans

(SQD and eSQD)


The SQD square inline duct mounted fan is available in sizes 6 through 15, moving up to 2,800 CFM, with static pressure capability up to 1″. eSQD with electronically commutated (EC) motors are square inline duct mounted fan is available in sizes 8, 10, and 12. SQD units are the perfect selection for clean air applications where space is a leading consideration. The compact housing with removable access doors and side discharge capability can be mounted in any orientation.

The eSQD comes with S&P’s Electronically Commutated Motor which offers the energy efficiency of a DC motor with the ease of maintenance of DD motors. The eSQD motors have mounted potentiometer and can be controlled by a 0-10V signal.

  • Exhaust air up to 2,800 CFM in high static pressure applications up to 1″ w.g.
  • Direct drive units have low sound levels and quiet operation
  • Ideal for applications where space is limited
  • Non-overloading backward inclined wheel for efficiency at higher static pressures
  • AMCA Air and Sound Licensed
  • cULus 705 Listed
  • EcoWatt® (SQDe Models ONLY)

2 year fan housing warranty, 1 year motor warranty

(787) 653-7125
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