STXB-HT2 and STXB-HT
High Temperature Upblast Belt Drive Centrifugal Roof Exhaust Fans

Spun Aluminum Centrifugal Fan Series

STXB

Model Features

  • Curved non-overloading backward inclined wheel for efficiency at higher static pressures
  • The STXB-HT2 has a steel wheel, and the STXB-HT unit has an aluminum wheel
  • The STXB-HT2 can exhaust air up to 19,716 CFM in high static pressure applications up to 2-3/4" w.g.
  • The STXB-HT can exhaust air up to 37,920 CFM in static pressure applications up to 3"
  • Attractive spun aluminum exterior
  • Belt drives permit easy performance adjustments when needed
  • Increased shafts and bearings to accommodate the heavier wheel and high temperature operation on the STXB-HT2
  • Heavier gauge steel components to compensate for additional weight and temperature requirements on the STXB-HT2
  • AMCA Air and Sound Licensed
  • cULus 705 and 793 Listed

AMCA Air and Sound LicensedcULus Listed

Model Overview

The STXB is now available with the UL Smoke Control Options (HT2 and HT). These fans can provide emergency heat and smoke ventilation in the event of a fire, which can provide valuable time to people exiting or emergency personnel. The HT2 has a steel wheel and is certified to exhaust heat and smoke in emergencies [500°F (260°C) for 4 hours and 1,000°F (538°C) for 15 minutes]. The HT has an aluminum wheel and is certified to exhaust heat and smoke in emergencies [500°F (260°C) for 4 hours]

STXB-HT2 and STXB-HT units have 2-year fan housing warranty

STXB-HT2

Size CFM Range Max SP
24 2,609 to 8,736 2"
27 3,155 to 12,323 1-3/4"
30 1,789 to 18,658 2-3/4"
33 4,431 to 20,237 2-1/4"
36 5,477 to 22,749 3"

STXB-HT

Size CFM Range Max SP
15 439 to 3,684 2-1/2"
16 603 to 3,975 2-1/4"
18 1,297 to 5,589 2-1/2"
20 1,305 to 6,552 2-1/2"
22 1,656 to 8,648 1-3/4"
24 2,609 to 8,736 2"
27 3,155 to 12,323 1-3/4"
30 1,789 to 18,658 2-3/4"
33 4,431 to 20,237 2-1/4"
36 5,477 to 22,749 3"
42 8,263 to 29,052 1-1/2"
48 7,124 to 37,920 1-1/2"

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

Aluminum Grease Trough    
Curb Cap Adaptor Submittal  
Grease Grabber    
Roof Curb Submittal  
Self-Flashing Curb Submittal  
Ventilation Gas Detectors Submittal IOM
Brochure
Flyer (STXB-HT)
Flyer (STXB-HT2)
Submittal
Instruction and Operation Manual
  • Warehouses
  • Stairwells
  • Manufacturing Facilities
  • Fume and Smoke Removal
  • Laboratory Fume Hoods
  • Chemical Process Exhaust