NM4, NMS4 60 H

z

NM4, NMS4 60 H

z

Characteristic curves n ≈ 1750 rp

m

H

(

m

)

N

P

S

H

(

m

)

η

(

%

)

P

(

k

W

)

0

U.S. g.p.m.

20

60

30

40

50

0

U.S. g.p.m.

20

6

0

30

4

0

5

0

10

0

Imp.g.p.m.

20

30

40

10

5

0

A Ø 143

50

55

0

Imp.g.p.m

.

20

30

4

0

10

5

0

6

0

8

H

m

6

η 62.5

%

B Ø 131

2

0

3

0

NM4 32/16

NM4 32/2

0

ft

2

5

6

0

A

B

Ø 178

3

5

40 45

Ø 17

0

5

0

6

0

f

t

5

0

5

5

2

0

5

0

1

5

H

m

1

0

51.5

4

0

5

0

η 52.5%

4

5

1

5

3

0

4

0

4

1

0

2

0

5

2

5

1

0

0

0

0

15

Q m /h

3

5

10

0.4

0

0.8

0

0

1

5

Q m /h

3

5

1

0

A

0.3

P

0.2

k

W

0.1

10

8

NPSH

6

m

4

2

B

0.5

0.4

P

0.3

HP

0.2

0.1

A

0

0

3

0

NPSH

2

0

f

t

1

0

0.6

P

0.4

k

W

0.2

10

8

NPSH

6

m

4

2

B

1.

0

0.

8

P

0.

6

H

P

0.

4

0.

2

0

0

3

0

NPS

H

2

0

f

t

1

0

0

1

5

m /h

3

5

1

0

72.55

3

Q

Q

0

1

5

m /h

3

5

1

0

72.554

0

40

60

80

100

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

30

25

8

0

20

6

0

H

(

f

t

)

4

0

10

2

0

0

0

2.

5

2.

0

1.

5

1.

0

0.

5

60

50

40

30

20

10.

0

7.

5

5.

0

2.

5

0.

0

3

2

P

(

H

P

)

1

2

0

N

P

S

H

(

f

t

)

0

NM4

32/25

A Ø220

B Ø198

C Ø175

0

5

10

15

20

2

5

m /h

3

Q

0

100

150

200

250

300

350

400

(l/min)

A

B

C

A

B

C

C

A

B

0

5

10

15

20

2

5

Q m /h

3

60