NM, NMS

Characteristic curves n ≈ 2900 rp

m

0

50

100

150

200

U.S. g.p.m.

H

m

N

P

S

H

m

η

η

(

%

)

P

k

W

H

m

N

P

S

H

m

η

η

(

%

)

P

k

W

25

20

15

10

5

0

2,5

2

1,5

1

0,5

0

8

0

6

0

4

0

2

0

0

5

4

3

2

1

0

7

0

6

0

5

0

4

0

3

0

2

0

1

0

0

10

8

6

4

2

0

80

60

40

20

0

8

6

4

2

0

A Ø 134

NM(S) 40/1

2

C Ø 123

F Ø 115

NM(S) 40/2

0

A

R

Ø 20

0

0

Q m /h

3

10

20

30

40

l/min

0

200

400

600

800

50

A

C

F

A

C

F

F

A

0

Q m /h

3

10

20

30

40

50

0

50

100

150

200

U.S. g.p.m

.

A Ø 204

B

Ø 195

C Ø 185

D Ø 180

0

Q m /h

3

1

0

20

30

40

0

200

400

600

800

l/min

50

A

B

D

B

A

D

D

A

20

40

50

A

R

C

A

R

C

0

Q m /h

3

1

0

30

0

50

100

150

200

U.S. g.p.m.

A Ø 167

NM(S) 40/16

B Ø 151

C Ø 137

N

P

S

H

m

η

η

(

%

)

P

k

W

P

H

P

A

A

20

8

0

40

7

0

35

6

0

30

5

0

25

4

0

H

f

t

20

H

m

3

0

15

2

0

10

1

0

5

0

0

130

120

110

100

90

80

70

60

50

40

30

20

10

0

H

f

t

0

Q m /h

3

10

20

30

40

0

200

400

600

800

l/min

50

3

2

1

0

P

H

P

5

4

3

2

1

0

80

A

B

C

6

5

4

3

2

1

0

60

B

40

C

20

0

6

C

10

N

P

S

H

f

t

4

1

0

2

N

P

S

H

f

t

0

0

0

0

Q m /h

3

10

30

40

5

0

0

50

100

150

200

U.S. g.p.m

.

10

0

A Ø 251

20

0

9

0

NM(S) 40/2

5

30

0

8

0

25

0

7

0

B

C

Ø

Ø

22

7

21

5

6

0

20

0

H

f

t

5

0

100

15

0

H

m

4

0

3

0

10

0

2

0

50

1

0

0

0

0

H

f

t

0

Q m /h

3

1

0

2

0

3

0

4

0

l/min

0

200

400

600

800

5

0

16

12

10

8

6

4

2

0

P

H

P

P

k

W

12

8

4

0

60

A

B

C

2

0

1

6

1

2

8

4

0

P

H

P

A

40

(

%

)

η

η

20

0

6

20

10

N

P

S

H

f

t

N

P

S

H

m

4

10

2

N

P

S

H

f

t

0

0

0

0

Q m /h

3

1

0

50

B

C

2

0

3

0

4

0

59