Turbine PN measured

Improved fermentation with measured turbine power

Improved Np data (obtained January 2023) points for Power Number's (Np) on various turbines.  

Turbines to be found on – www.cercell.com/support/bactovessel-details/turbines-available  

Variety of turbines available from CerCell - actually more than 150 different available.

With 3 tubes and 3 baffels: 

Turbine photo 

Turbine name 

50 rpm 

100 rpm 

150 rpm 

200 rpm 

250 rpm 

 

XDR  

OD 90 mm 

 

13 liter vessel 

21 mW 

 

 

6.15 Np 

133 mW 

 

 

4.87 Np 

422 mW 

 

 

4.57 Np 

983 mW 

 

 

4.49 Np 

1,928 mW 

 

 

4.51 Np 

 

Turbine photo 

Turbine name 

100 rpm 

200 rpm 

300 rpm 

400 rpm 

500 rpm 

 

Dual Rushton
OD 55 mm
 

 

3.2 liter vessel 

16 mW 

 

 

6.87 Np 

106 mW 

 

 

5.69 Np 

306 mW 

 

 

4.86 Np 

671 mW 

 

 

4.5 Np 

1,318 mW 

 

 

4.53 Np 

 

With 3 tubes and no baffels: 

Turbine photo 

Turbine name 

50 rpm 

100 rpm 

150 rpm 

200 rpm 

250 rpm 

 

XDR  

OD 90 mm 

 

13 liter vessel 

13 mW 

 

 

3.8 Np 

89 mW 

 

 

3.26 Np 

280 mW 

 

 

3.03 Np 

641 mW 

 

 

2.93 Np 

1,250 mW 

 

 

2.93 Np 

 

Turbine photo 

Turbine name 

100 rpm 

200 rpm 

300 rpm 

400 rpm 

500 rpm 

 

Dual Rushton
OD 55 mm
 

 

3.2 liter vessel 

12 mW 

 

 

5.15 Np 

89 mW 

 

 

4.77 Np 

295 mW 

 

 

4.69 Np 

632 mW 

 

 

4.24 Np 

1,214 mW 

 

 

4.17 Np 

 

The small XDR turbine upper right corner measure OD90 x H130 mm size being a scale down from OD190 x H220 mm size impeller mounted in the 100 liter Excellerex Single-Use-Bioreactor bag. The scaled turbine mounted in a OD200 mm vessel body with 3 baffels.