NF

Characteristic curves

0

40

60

80

100

120

14

0

Q (U.S. g.p.m.)

H

(

m

)

H

(

m

)

N

P

S

H

(

m

)

η

(

%

)

P

(

k

W

)

N

P

S

H

(

m

)

η

(

%

)

P

(

k

W

)

7

0

6

0

5

0

4

0

3

0

2

0

1

0

8

7

6

5

4

3

2

8

0

6

0

4

0

2

0

0

2

0

1

5

1

0

5

0

45

40

35

30

25

20

15

10

5

0

8

7

6

5

4

3

2

80

60

40

20

0

20

15

10

5

0

NF 32L-20

0

A Ø204

n = 2900 rp

m

NPSH1

6

0

10

15

20

25

30

3

6

Q (m3/h)

0

100

200

300

400

500

60

0

Q (l/min

)

0

2

4

6

8

Q (l/s)

225

200

175

150

125

H

(

f

t

)

100

75

50

10

P

(

H

P

)

5

50

25

N

P

S

H

(

f

t

)

0

14

0

12

0

10

0

8

0

6

0

H

(

f

t

)

4

0

2

0

0

0

20

30

40

50

60

70

80

90

10

0

Q (m3/h)

0

400

600

800

1000

1200

1400

1600

Q (l/min

)

1

0

P

(

H

P

)

5

0

5

10

15

20

25

30

3

6

Q (m3/h)

0

100

150

200

250

300

350

40

0

Q (U.S. g.p.m.

)

A Ø174

NF 50-16

0

n = 2900 rp

m

NPSH1

6

0

5

10

15

20

2

5

Q (l/s

)

5

0

2

5

0

N

P

S

H

(

f

t

)

0

20

30

40

50

60

70

80

90

10

0

Q (m3/h)

NPSH16

100

H

(

m

)

P

(

k

W

)

η

(

%

)

N

P

S

H

(

m

)

9

0

8

0

7

0

6

0

5

0

4

0

3

0

2

0

1

0

2

0

1

5

1

0

5

0

7

0

6

0

5

0

4

0

3

0

2

0

1

0

2

0

1

5

1

0

5

0

14

8

0

100

150

200

250

Q (U.S. g.p.m.)

A Ø251

NF 40-250

n = 2900 rp

m

B Ø22

7

NPSH1

6

C Ø215

0

10

20

30

40

50

6

0

Q (m3/h)

0

200

400

600

800

100

0

Q (l/min)

0

2

4

6

8

10

12

14

16

Q (l/s)

A

B

C

A

B

C

C

B

A

30

0

25

0

20

0

H

(

f

t

)

15

0

10

0

5

0

2

0

1

0

0

50

25

0

P

(

H

P

)

N

P

S

H

(

f

t

)

0

10

20

30

40

50

6

0

Q (m3/h)