NM4, NMS4 60 Hz

12

50

40

30

20

10

NPSH

4

0 U.S. g.p.m.

200

U.S. g.p.m.

400

0

16

40

35

30

8

2

5

10

200

300

400

500

600

14

10

12

6

4

2

20

15

6

10

4

5

2

0

0

0

0

0

m/

h

20

40

60

80

100

120

0 m/h20

40

60

80

1600

2000

0

Q

l/min

500

1000

100

120

140

2000

3

3

0

Q

l/min

400

800

1200

1500

3

4

6

8

2

3

4

6

2

4

1

1

2

2

0

0

0

0

80

80

60

60

40

40

20

20

0

0

8

2

5

10

6

2

0

8

C

4

2

0

0

0

30

H

m

20

10

3

0

Qm/h 20

40

200

60

80

100

72.085N

600

500

120

80

ft

60

40

20

0

m/h 20

Q

3

40

60

80

100

0

120

140

0

0

U.S. g.p.m.

Imp. g.p.m.

300

400

500

400

200

300

0

0

10

8

P

kW

4

0

Qm

3

/h

50

100

150

12

P

8

HP

4

2

0

0

8

6

20

2

NPSH

m

10

0

0

0

Q

m

3

/h

50

100

72.563

150

1

5

6

1

0

4

30

25

20

15

8

10

5

2

5

ft

51

72.085N

Characteristic curves - Curvas Características

n ≈ 1750 rpm

A

Ø1 57

NM4 80/16

B

Ø 140

C

Ø 129

A Ø 175

NM4 80/20

B Ø 160

C Ø 143

A

B

C

A

B

C

A

C

B

A

B

C

A

N

P

S

H

m

η

(

%

)

P

k

W

H

m

N

P

S

H

f

t

N

P

S

H

m

η

(

%

)

P

H

P

P

k

W

H

f

t

H

m

N

P

S

H

f

t

P

H

P

H

f

t

50

55

60

NM4 80/25

A Ø 228

65

67.5

B Ø 217

67.5

C Ø 200

65

71

60

70

η 72%

A

B

C