ed. 09/202

6

NM, NMS

Characteristic curves n ≈ 2900 rp

m

NM, NM

S

0

50

100

15

0

U.S. g.p.m

.

A

20

4

Ø

NM(S) 32L/20

B

19

5

Ø

C

18

0

Ø

N

P

S

H

m

η

η

(

%

)

P

k

W

H

m

3

0

A

B

C

B

A

C

A

C

B

H

m

N

P

S

H

m

η

η

(

%

)

P

k

W

7

0

6

0

5

0

4

0

3

0

2

0

1

0

0

0

Q m /h

3

10

2

0

l/min

0

200

40

0

8

6

4

2

0

80

60

40

20

0

6

4

2

0

0

Q m /h

3

10

2

0

3

0

0

50

100

150

200

U.S. g.p.m

.

25

20

15

10

5

0

0

Q m /h

3

10

2

0

3

0

4

0

l/min

0

200

400

600

800

50

2,

5

A

2

C

1,

5

F

1

0,

5

0

8

0

A

6

0

C

4

0

2

0

0

5

A

4

3

2

1

0

0

Q m /h

3

10

4

0

5

0

A

13

4

Ø

NM(S) 40/1

2

C

12

3

Ø

F

11

5

Ø

F

F

200

150

H

f

t

100

50

0

1

0

8

6

4

2

0

10

0

80

70

60

50

40

30

20

10

0

3

2

1

0

10

0

N

P

S

H

f

t

P

H

P

H

f

t

P

H

P

N

P

S

H

f

t

20

3

0

H

m

N

P

S

H

m

η

η

(

%

)

P

k

W

H

m

N

P

S

H

m

η

η

(

%

)

P

k

W

5

9

0

60

80

100

120

140

160

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

)

A Ø252

NM(S) 32/2

5

B Ø230

C Ø218

D Ø208

B

C

D

B

D

C

D

C

B

10

0

90

80

70

60

50

40

20

15

10

5

0

60

50

40

30

20

6

4

2

0

0

10

20

30

4

0

0

50

100

150

20

0

U.S. g.p.m

.

40

A

16

7

Ø

35

30

B

15

1

Ø

25

C

13

7

Ø

20

15

10

5

0

0

Q m /h

3

10

20

30

40

0

200

400

600

80

0

l/min

5

0

5

A

4

3

2

C

1

0

80

A

60

40

C

20

0

6

A

C

4

2

0

0

Q m /h

3

1

0

20

3

0

4

0

50

325

300

275

250

225

H

(

f

t

)

200

175

150

0

10

20

30

4

0

0

200

300

400

500

600

A

20

10

P

(

H

P

)

0

A

A

10

N

P

S

H

(

f

t

)

0

13

0

12

0

NM(S) 40/1

6

11

0

10

0

9

0

8

0

7

0

6

0

5

0

4

0

3

0

2

0

1

0

0

6

5

4

3

2

1

0

P

H

P

10

0

H

f

t

B

B

N

P

S

H

f

t