43 11 00 Gas Fans, Blowers, Pumps and Boosters
43 11 23 Axial Blowers
43 11 11Direct Drive Single Stage Centrifugal Blowers43 11 12Integrally Geared Single Stage Centrifugal Blowers43 11 13Separately Geared Single Stage Centrifugal Blowers43 11 14Direct Drive Integral Shaft Single Stage Centrifugal Blowers43 11 17Horizontally Split Multistage Centrifugal Blowers43 11 18Vertically Split Multistage Centrifugal Blowers43 11 19Centrifugal Fans43 11 23Axial Blowers43 11 26Axial Fans43 11 31Rotary Helical Screw Blowers43 11 33Rotary Lobe Blowers43 11 34Regenerative Rotary Blowers43 11 36Rotary Vane Blowers43 11 41Gas-handling Venturi Jet Pumps43 11 43Gas-handling Vacuum Pumps43 11 46Gas Boosters