Impeller Design Data
Our hope is that this will be a place to look-up mixing impeller types from many vendors. If you are a mixing vendor, a mixing rep, or a graphic artist and you would like to see your impeller photos or CAD drawings here, with links to your site, please email us and let us know. Also let us know if you see your impeller here, but you name it differently. Information about these impeller designs will also be added below each picture, if available, and referenced to the source of that data. Turbulent data is quoted here for fully baffled conditions, unless noted. There will be a link to another page if more data is available.
Without baffles, most impellers styles impose a tangential flow pattern. With baffles, most impellers show their true flow characteristics. Impellers are sorted here by the flow patterns they were intended to create, radial flow impellers and axial flow impellers. Click on any of these images for a larger picture. If you can’t find your impeller design here, see if it is stored under Special Impellers. Impeller design data includes impeller dimensions, number of blades, turbulent power number, turbulent flow number, and impeller synonyms. If you see a More Data link, click on it for flow pattern information and possibly non-turbulent power numbers (Np), flow numbers (Nq) and discharge angles as a function of Reynold’s Number (Re).
Radial Impellers
RT3 Rushton Turbine with 3 blades
Np=3.3, Nq=0.62* D/T=0.33, wB/T=1/12
Np=3.4, Nq=0.62* D/T=0.33, wB/T=0.1
More Data
Impellers courtesy of P. Csiszar
RT4 Rushton Turbine with 4 blades
Np=4.3, Nq=0.68* D/T=0.33, wB/T=1/12
Np=4.4, Nq=0.68* D/T=0.33, wB/T=0.1
More Data
Impellers courtesy of P. Csiszar
RT5 Rushton Turbine with 5 blades
Np=5.4, Nq=0.73* D/T=0.33, wB/T=1/12
Np=5.4, Nq=0.73* D/T=0.33, wB/T=0.1
More Data
Impellers courtesy of P. Csiszar
Chemineer D-6
Lightnin R100
Hayward Gordon RD
RT6 Rushton Turbine with 6 blades
Np=5.2, Nq=0.72
Np=6.0, D/T=0.33, wB/T=1/12
Np=6.0, D/T=0.33, wB/T=0.1
More Data
Impellers courtesy of P. Csiszar
RT8 Rushton Turbine with 8 blades
Np=7.8, Nq=0.82* D/T=0.33, wB/T=1/12
Np=7.8, Nq=0.82* D/T=0.33, wB/T=0.1
More Data
Impellers courtesy of P. Csiszar
RT12 Rushton Turbine with 12 blades
Np=9.9, Nq=0.89* D/T=0.33, wB/T=1/12
Np=10.0, Nq=0.90* D/T=0.33, wB/T=0.1
More Data
Impellers courtesy of P. Csiszar
RP2
Paddle with 2 blades
No disk (disc)
Impellers courtesy of P. Csiszar
RP4
Lightnin R200
Paddle with 4 blades
No disk (disc)
Np=3.4, Nq=0.62*
More Data
Impellers courtesy of P. Csiszar
RP6
Paddle with 6 blades
No disk (disc)
Impellers courtesy of P. Csiszar
Holmes & Narver pumper mixer
Lightnin R300
Np, Nq, and Nh-values
CFD study
Impellers courtesy of P. Csiszar
Curved bladed pumper
Lightnin R320
Philadelphia Mixers CBT-6
Pumper impeller used for solvent extraction mixer settlers
6-curved blades on one side of disk
CFD study
Impellers courtesy of P. Csiszar
RS6
Chemineer CD-6
Lightnin R130
Philadelphia Mixers Smith Turbine
Hayward Gordon RDC
Np=3.2, Nq=0.61*
More Data
Impellers courtesy of P. Csiszar
Lightnin R500
Np=0.45, Nq=0.32*
Impellers courtesy of P. Csiszar
Chemineer BT-6
Np=2.3, Nq=0.55*
More Data
Impellers courtesy of Chemineer
Bar turbine
Lightnin R510
Np=0.65, Nq=0.36*
Impellers courtesy of P. Csiszar
Axial Impellers
PR-D and PR-U Chemineer AP-3 Lightnin A100 and A110
Propeller – Down-pumping and Up-pumping
Np=0.32 for 1.0 pitch, D/T=0.35, wB/T=0.1
Np=0.36 for 1.0 pitch, D/T=0.22, wB/T=0.1
Np=0.62 for 1.5 pitch, D/T=0.22, wB/T=0.1
Np=1.00 for 2.0 pitch, D/T=0.31, wB/T=0.1
Np=1.35 for 2.5 pitch, D/T=0.22, wB/T=0.1
Note: Subtract 0.01 from Np for wB/T=1/12
More Data
Impellers courtesy of P. Csiszar
4PBT-D and 4PBT-U
Pitched blade turbine – Down-pumping and Up-pumping with 4 blades
6PBT-D Pitched bladed turbine – Down-pumping with 6 blades
Np=1.27, Nq=0.79
More Data
Impellers courtesy of P. Csiszar
Lightnin A6000 (down-pumper)
Advanced fiber reinforced composite, utilizing highly corrosion resistant plastic matrix, with proplets
Lightnin A6100 (down-pumper)
Like the A6000 without proplets
Np=0.23, Nq=0.59
More Data
Impellers courtesy of K. McDermott
Lightnin A310 or A510 (down-pumper)
Np=0.30, Nq=0.56
More Data
Impellers courtesy of K. McDermott and P. Csiszar
Chemineer HE-3 (down-pumper)
Np=0.20, Nq=0.46 for D/T=0.5
Np=0.22, Nq=0.47 for D/T=0.4
Np=0.26, Nq=0.49 for D/T=0.3
Np=0.30, Nq=0.50 for D/T=0.2
More Data
Impellers courtesy of Chemineer
impeller mainly for side entry applications
Lightnin A320 (down-pumper)
Np=0.64, Nq=0.64
More data
Impellers courtesy of P. Csiszar
Lightnin A340 (up-pumper)
Np=0.64, Nq=0.64
More data
Impellers courtesy of P. Csiszar
Lightnin A315 (down-pumper)
Np=0.75, Nq=0.73
Impellers courtesy of P. Csiszar
Lightnin A345 (up-pumper)
Np=0.75, Nq=0.73
Impellers courtesy of P. Csiszar
Specialty Impellers
Anchor
Impellers courtesy of P. Csiszar