Numbers and Titles



Includesfans, blowers, gas pumps, gas boosters that increase the discharge pressure of the air or gas by no more than approximately 25 to 40 psi.
Alternate Terms/Abbreviationsdirect drive integral shaft single stage centrifugal blower: turbo blower.
See23 34 00 for HVAC fans. 40 05 00 for process valves used with blowers, fans, and similar equipment. 40 90 00 for process instrumentation and controls. 43 12 00 for gas compressors. 43 15 00 for air and gas filters. 46 51 00 for air and gas diffusers used in water and wastewater treatment.
43 11 11Direct Drive Single Stage Centrifugal Blowers
43 11 12Integrally Geared Single Stage Centrifugal Blowers
43 11 13Separately Geared Single Stage Centrifugal Blowers
43 11 14Direct Drive Integral Shaft Single Stage Centrifugal Blowers
43 11 17Horizontally Split Multistage Centrifugal Blowers
43 11 18Vertically Split Multistage Centrifugal Blowers
43 11 19Centrifugal Fans
43 11 23Axial Blowers
43 11 26Axial Fans
43 11 31Rotary Helical Screw Blowers
43 11 33Rotary Lobe Blowers
43 11 34Regenerative Rotary Blowers
43 11 36Rotary Vane Blowers
43 11 41Gas-handling Venturi Jet Pumps
43 11 43Gas-handling Vacuum Pumps
43 11 46Gas Boosters