Ed. 07/2026

NM, NMS 60 Hz

Characteristic curves n ≈ 3450 rp

m

0

100

200

300

400

500

U.S. g.p.m.

A Ø 127

NM 65/16

NM 65/12

A

R Ø 143

C Ø 117

E Ø 107,5

H

m

H

f

t

H

m

N

P

S

H

m

(

%

)

η

η

P

k

W

C

A

C

E

A

N

P

S

H

m

(

%

)

η

η

P

k

W

D

D

D

8

0

90

0

100

200

300

400

500

600

U.S. g.p.m

.

30

A Ø 150

20

10

9

0

8

0

7

0

6

0

5

0

4

0

3

0

2

0

4

0

B Ø 138

3

0

C Ø 130

D Ø 125

2

0

130

120

110

100

90

80

70

60

50

40

0

8

6

4

2

0

80

6

0

4

0

2

0

0

8

6

4

2

0

1

0

0

0

Q m /h

3

8

0

7

0

6

0

5

0

4

0

3

0

2

0

9

0

100

110

120

13

0

l/min

0

1000

1500

2000

50

0

A

10

8

6

E

4

2

0

H

f

t

1

0

0

Q m /h

3

8

0

7

0

6

0

5

0

4

0

3

0

2

0

90

10

0

11

0

12

0

14

0

1

3

0

l/min

0

1000

1500

2000

500

16

20

10

N

P

S

H

f

t

P

H

P

12

8

4

0

80

6

0

4

0

2

0

0

8

6

4

2

0

A

A

R

B

C

2

0

1

6

1

2

8

4

0

C

A

AR

B

20

A

10

N

P

S

H

f

t

P

H

P

0

0 Q m /h

3

7

0

6

0

5

0

4

0

3

0

2

0

8

0

9

0

100

110

120

13

0

0

0 Q m /h

3

7

0

6

0

5

0

4

0

3

0

2

0

10

0

11

0

12

0

14

0

1

3

0

60

50

40

30

20

P

k

W

2

5

2

0

1

5

1

0

5

0

100

0

150

300

450

60

0

U.S. g.p.m

.

0

100

200

300

400

500

600

U

.

S

.

g.p.m

.

90

A

17

8

Ø

19

0

NM 65/20

18

0

NM(S) 65/2

5

28

0

B

16

8

Ø

17

0

80

26

0

16

0

15

0

24

0

14

0

70

H

f

t

22

0

13

0

H

f

t

12

0

20

0

60

11

0

18

0

10

0

9

0

50

16

0

8

0

7

0

14

0

40

0

Q m /h

3

30

60

9

0

120

15

0

0

l/mi

n

Q m /h

3

8

0

7

0

6

0

5

0

4

0

3

0

2

0

90

100

110

12

0

14

0

1

3

0

0

500

1000

200

0

1500

250

0

l/min

0

1000

1500

200

0

500

4

0

3

0

2

5

3

0

2

0

1

5

2

0

1

0

1

0

5

0

0

8

0

80

6

0

(

%

)

η

η

60

4

0

40

N

P

S

H

m

20

6

4

2

0

20

10

N

P

S

H

f

t

2

0

0

8

6

4

2

0

5

0

4

0

3

0

2

0

1

0

0

20

10

N

P

S

H

f

t

P

H

P

0

Q m /h

3

30

0

150

0

A Ø 215

B Ø 202

C

15

8

Ø

C Ø 185

H

m

H

m

A

A

B

B

C

P

H

P

B

A

C

A

C

N

P

S

H

m

η

η

(

%

)

P

k

W

C

A

C

A

B

C

60

90

12

0

0 Q m /h

3

7

0

6

0

5

0

4

0

3

0

2

0

80

90

100

110

12

0

14

0

1

3

0

58