NM, NMS

Characteristic curves n ≈ 2900 rp

m

0

200

400

600

800

U.S. g.p.m

.

A Ø 176

NM(S) 80/1

6

B Ø 167

C Ø 155

D Ø 147

E Ø 140

C

D

E

D

C

E

E

45

40

35

30

25

H

m

20

15

10

5

0

Q m /h

3

5

0

100

150

0

1000

2000

3000

l/min

2

0

1

6

P

k

W

1

2

8

4

0

80

(

%

)

η

η

60

40

20

8

N

P

S

H

m

6

4

2

0

100

9

0

8

0

7

0

H

m

6

0

5

0

4

0

3

0

6

0

4

0

P

k

W

2

0

0

8

N

P

S

H

m

6

4

2

0

A

B

A

B

A

0

Q m /h

3

5

0

100

150

U.S. g.p.m

.

0

200

400

600

80

0

A Ø 264

68 72

NM(S) 80/25

0

7

4

7

6

B Ø 250

h 77

%

7

6

C

Ø 238

D

Ø 226

E

Ø 207

6

8

0

50

100

150

20

0

Q m /h

3

0

1000

2000

3000

l/min

l/s

0

10

20

30

40

5

0

A

B

C

D

E

14

0

12

0

10

0

8

0

6

0

4

0

2

0

200

2

0

1

2

0

2

0

1

0

0

200

30

0

25

0

20

0

15

0

10

0

8

0

6

0

4

0

2

0

0

2

5

2

0

1

5

1

0

5

0

H

f

t

P

H

P

N

P

S

H

f

t

N

P

S

H

f

t

P

H

P

H

f

t

0

50

100

150

20

0

Q m /h

3

72.028

6

0

5

0

H

m

4

0

3

0

2

0

4

0

3

0

P

k

W

2

0

1

0

0

100

80

(

%

)

η

η

60

40

20

8

N

P

S

H

m

6

4

2

0

0

200

400

600

80

0

U.S. g.p.m

.

NM(S) 80/20

0

A Ø 205

B Ø 183

0

50

100

150

200

Q m /h

3

0

1000

2000

3000

l/mi

n

A

B

A

B

A

B

18

0

16

0

14

0

12

0

10

0

80

50

40

30

20

10

0

20

10

0

H

f

t

P

H

P

N

P

S

H

f

t

0

Q m /h

3

20

0

50

10

0

150

62