No.

Impeller Type

Flow Coefficient, (φ)

0.1

0.3

0.5

0.7

kg/s

kPa

kg/s

kPa

kg/s

kPa

kg/s

kPa

1

90˚

8.1E−3

1.73

24.31E−3

1.45

40.52E−3

1.12

56.73E−3

0.7

2

115˚

8.1E−3

1.79

24.31E−3

1.37

40.52E−3

0.98

56.73E−3

0.62

3

125˚

8.1E−3

2.01

24.31E−3

1.6

40.52E−3

1.25

56.73E−3

0.82

4

135˚

8.1E−3

1.91

24.31E−3

1.48

40.52E−3

1.08

56.73E−3

0.69