Ed. 07/2026

NM4, NMS4 60 H

z

Characteristic curves n ≈ 1750 rp

m

0

1000

U.S. g.p.m.

500

1500

2000

C

24

3

Ø

NMS4 150-31

5

D

23

0

Ø

C

D

N

P

S

H

m

η

η

(

%

)

P

k

W

P

H

P

30

90

80

70

20

60

50

H

f

t

H

m

40

10

30

20

10

0

0

0

Q m /h

3

100

200

300

40

0

50

0

l/mi

n

0

2000

4000

6000

8000

25

3

0

20

15

2

0

10

1

0

5

0

100

0

80

C

D

60

40

20

8

6

2

0

C

4

D

1

0

2

0

0

0

Q m /h

3

10

0

20

0

30

0

40

0

500

0

1000

1500

2000

2500

300

0

U.S. g.p.m.

70

22

0

S

35

0

Ø

NMS4 150-400

20

0

60

A

32

5

Ø

18

0

50

16

0

H

m

B

29

5

Ø

H

f

t

14

0

40

12

0

30

10

0

8

0

20

0

Q m /h

3

200

300

400

500

600

l/mi

n

0

10000

500

0

700

100

12

0

8

0

P

k

W

6

0

8

0

4

0

P

H

P

4

0

2

0

0

100

0

80

(

%

)

η

η

60

40

20

8

N

P

S

H

m

6

20

4

10

N

P

S

H

f

t

2

0

0

0

200

70

0

NMS4 150-31

5

H

m

S

N

P

S

H

f

t

N

P

S

H

m

η

η

(

%

)

P

k

W

0

1000

1500

2000

2500

300

0

U.S. g.p.m

.

4

0

S Ø 27

6

A Ø 260

3

0

B Ø 245

2

0

1

0

0

Q m /h

3

200

30

0

40

0

500

60

0

l/mi

n

500

0

0

10000

5

0

4

0

3

0

2

0

1

0

0

100

8

0

6

0

4

0

2

0

8

6

4

2

0

A

B

B

S

A

A

S

B

0

Q m /h

3

200

30

0

40

0

500

60

0

140

130

120

100

90

80

70

60

50

40

70

0

6

0

4

0

P

H

P

2

0

0

2

0

1

0

0

700

H

f

t

N

P

S

H

f

t

S

A

B

B

S

A

A

Q m /h

3

B

300

400

500

600

S

69