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STXD, STXDe, and STXDeRHUL Upblast Direct Drive Centrifugal Roof/Sidewall Exhaust Fans

Centrifugal Roof & Wall Fan Series

Centrifugal Roof & Wall Fans
SDBD and SDBDe SDB STXD, STXDe, and STXDeRHUL STXB, STXB-RHUL, and STXB-HP LPD and LPD-SF CWD
In-Stock Availability via Quickship (Next Day, 3-Day and 10-Day)
STXD Model

Model Features

  • Exhaust air up to 4,780 CFM in high static pressure applications up to 1-1/2" w.g.
  • Attractive spun aluminum exterior
  • Direct drive units have low sound levels and quiet operation
  • Curved non-overloading backward inclined wheel for efficiency at higher static pressures
  • Roof or sidewall mounting options
  • AMCA Air and Sound Licensed
  • cULus 705 or 762 Listed
  • Ecowatt® (STXDe and STXDeRHUL Models)

AMCA Air and SoundcULusEcowatt

Model Overview

The STXD direct drive fans are designed to exhaust air up to 4,780 CFM, with high static pressure capability up to 1-1/2". The non-overloading backward inclined wheel, with its higher static pressure capability, makes this unit suitable for either ducted or non-ducted applications. Its roof or wall mounting permits short duct runs and more efficient operation. Direct drive units use smaller diameter wheels with lower RPM's, resulting in low sound levels and quiet operation. They have no belts or fan bearings to maintain or adjust and consequently require very little maintenance.

Isolation of the motor from the air stream and the high-velocity air discharge make the STXD ideally suited for the removal of dirty, contaminated and/or high-temperature air from buildings and manufacturing plants. Typical applications include restaurant hoods and similar kitchen exhaust ventilation, fume and smoke removal, laboratory fume hood exhaust and chemical process exhaust.

5-year fan housing warranty, 1-year motor warranty
STXD-RHUL units have 2-year fan housing warranty

Size CFM Range Max SP
6 56 to 308 3/4"
7 78 to 437 3/4"
8 174 to 935 7/8"
10 322 to 1,445 1"
12 470 to 1,918 1-1/4"
14 868 to 3,426 1-1/2"
15 800 to 3,997 1-3/4"
16 1,272 to 4,781 1-3/4"
Dimensional drawing for the STXD modal and all variants.

Dimensional data is displayed in inches.

Size A B C D Roof Opening Curb O.D. Damper O.D.
6 18 25-5/16 28-5/8 20-5/16 13-1/2 16-1/2 12
7 18 25-5/16 28-5/8 20-5/16 13-1/2 16-1/2 12
8 18 25-5/16 28-5/8 20-5/16 13-1/2 16-1/2 12
10 18 25-5/16 28-5/8 20-5/16 13-1/2 16-1/2 12
12 20 26-15/16 31-5/16 21-15/16 15-1/2 18-1/2 14
14 20 26-15/16 31-5/16 21-15/16 15-1/2 18-1/2 14
15 24 27-5/8 36-1/2 22-5/8 19-1/2 22-1/2 18
16 24 27-5/8 36-1/2 22-5/8 19-1/2 22-1/2 18

Additional accessories are available for certain products. Contact your S&P Representative for more information about these accessories.

Standard Accessories

Aluminum Grease Trough  
Automatic Damper  
Curb Hinge Arrangement  
Backdraft Damper Submittal
Grease Grabber  
Insect Screen  
Motor Operated Damper  
Roof Curb Submittal
Solid State Speed Controls  
Wall Mounting Kit Submittal
Wheel Cleaning Port  

Ecowatt® Accessories

Constant Pressure System  
Potentiometer Submittal
EC Motor Speed Control  
ECM Multi-Speed Control IOM

Centrifugal Roof and Sidewall Brochure
General Catalog Section
Submittal
IOM (STXD)
IOM (STXDe and STXDeRHUL)

STXD

  • General/Clean Air
  • Restaurant Hoods/Kitchen Ventilation
  • Fume and Smoke Removal
  • Laboratory Fume Hoods
  • Chemical Process Exhaust