NM4, NMS

4

Characteristic curves n ≈ 1450 rp

m

0

50

100

150

200

U.S. g.p.m

.

P

k

W

H

m

N

P

S

H

m

η

η

(

%

)

N

P

S

H

m

η

η

(

%

)

P

k

W

H

m

1 2

1 0

8

6

4

2

0

1,5

1,2

0,9

0,6

0,3

0

8

0

6

0

4

0

2

0

0

9

6

3

0

25

20

15

10

5

0

4

3

2

1

0

7

0

6

0

4

0

2

0

0

9

6

3

0

A Ø 1 7 4

B Ø 1 6 2

0

10

2

0

3

0

40

Q m /h

3

5

0

l/mi

n

0

200

400

600

800

A

0

10

20

3

0

4

0

Q m /h

3

5

0

l/mi

n

0

200

400

600

800

C

B

A

B

A

B

A

B

C

0

50

100

150

20

0

U.S. g.p.m

.

40

6

1

20

9

A Ø

35

4

1

B Ø 200

NM(S)4 50/16

NM(S)4 50/2

0

30

C Ø 188

2

1

25

0

1

20

15

10

5

0

2

1,

5

1

P

H

P

H

f

t

8

H

m

6

4

2

0

2

1,

5

P

k

W

1

0,

5

0,

5

0

0

8

0

6

0

25

20

15

10

N

P

S

H

f

t

(

%

)

N

P

S

H

m

η

η

4

0

2

0

0

8

6

4

2

5

0

0

0

10

2

0

3

0

40

Q m /h

3

5

0

72.076N

72.076

N

0

10

20

3

0

4

0

Q m /h

3

5

0

0

50

100

150

20

0

U.S. g.p.m

.

8

0

A Ø 255

B Ø 245

NM(S)4 50/25

7

0

C Ø 229

6

0

D Ø 209

5

0

4

0

3

0

2

0

1

0

0

5

A

4

B

3

2

P

H

P

H

f

t

1

0

A

B

2

5

2

0

1

5

1

0

N

P

S

H

f

t

5

0

5

0

4

5

4

0

3

5

3

0

2

5

2

0

1

5

1

0

5

0

2,

5

2

1,

5

1

0,

5

0

25

20

15

10

5

0

0

10

2

0

3

0

4

0

Q m /h

3

5

0

l/mi

n

0

200

400

600

800

C

D

C

D

0

10

2

0

3

0

4

0

72.076

N

Q m /h

3

5

0

6

6

P

H

P

H

f

t

N

P

S

H

f

t