NEW REDUCTION RATIOS

The range of helical speed reducers Series RD expands with new reduction ratios.

Additional reduction ratios are now made in two-stage reducers to match the pump manufactuters' needs and are listed in the following table

 

in

RD02

RD12

RD22

RD32

RD42

RD52

RD62

ir

ir

ir

ir

ir

ir

ir

2,25

2,314

2,348

2,336

2,420

2,343

2,323

2,323

2,80

2,952

2,855

2,875

2,983

2,929

2,945

2,945

3,55

3,834

3,716

3,594

3,733

3,727

3,568

3,568

4,50

4,753

4,700

4,600

4,783

4,547

4,398

4,398

5,60

5,747

5,576

5,665

--

5,674

5,561

5,561

7,10

7,333

7,161

7,188

7,484

7,321

7,305

7,305

9,00

9,524

9,315

9,296

--

9,124

9,353

8,700

11,20

11,806

11,468

10,947

--

11,049

11,310

11,734

where :

- in = nominal ratio

- ir =  real ratio

The new ratios are available for sales from November 2008 for all the above seven sizes