Drive Size

Pump Size

Piston Diameter (inches)

Maximum Stroke (inches)

Maximum Displacement (ml)

Displacement per 0.001"
(ml)

Drive Diameter (inches)

Power Ratio

1B

1S

0.79(2mm)

0.25

0.020

0.00008ml

1.375

302.94

1B

2S

0.125

0.25

0.050

0.000210ml

1.375

121.00

1B

3S

0.187

0.25

0.113

0.000450ml

1.375

54.07

1B

3

0.187

0.50

0.225

0.000450ml

1.375

54.07

1B

4

0.250

0.50

0.402

0.000804ml

1.375

30.25

1B

5

0.312

0.50

0.626

0.001253ml

1.375

19.42

1B

6

0.375

0.50

0.905

0.001809ml

1.375

13.44

1B

7

0.437

0.50

1.229

0.002458ml

1.375

9.90

1B

10

0.625

0.50

2.514

0.005027ml

1.375

4.84

2B

10R

0.625

1.00

5.027

0.005027ml

1.625

6.67

2B

12

0.750

1.00

7.240

0.007240ml

1.625

4.69

2B

14

0.875

1.00

9.854

0.009854ml

1.625

3.45

2B

17

1.062

1.00

14.516

0.014516ml

1.625

2.34

2B

20

1.250

1.00

20.110

0.020110ml

1.625

1.69

4F1

5

0.625

1.00

5.029

0.005029ml

2.625

17.64

4F1

10

0.875

1.00

9.854

0.009854ml

2.625

9.00

4F1

30

1.625

1.00

33.986

0.033986ml

2.625

2.60

4F1

60

2.125

1.00

58.118

0.058118ml

2.625

1.50

4F2

10

0.625

2.00

10.058

0.005029ml

2.625

17.64

4F2

20

0.875

2.00

19.708

0.009854ml

2.625

9.00

4F2

65

1.625

2.00

67.972

0.033986ml

2.625

2.60

4F2

110

2.125

2.00

116.236

0.058118ml

2.625

1.50

4F3

15

0.625

3.00

15.087

0.005029ml

2.625

17.64

4F3

30

0.875

3.00

29.562

0.009854ml

2.625

9.00

4F3

100

1.625

3.00

101.958

0.033986ml

2.625

2.60

4F3

174

2.125

3.00

174.354

0.058118ml

2.625

1.50

5F4

500

3.250

4.00

543.940

0.135985ml

4.000

1.51

5F4

780

3.900

4.00

783.275

0.195819ml

4.000

1.05

5F6

1046

3.680

6.00

1046.097

0.174333ml

4.000

1.18