NM4, NMS

4

Characteristic curves n ≈ 1450 rp

m

NM4, NMS

4

0

50

10

0

U.S. g.p.m

.

A Ø 167

NM(S)4 40/16

B Ø 151

C Ø 137

A

B

C

C

B

A

72.076N

3

0

N

P

S

H

m

η

η

(

%

)

P

k

W

H

m

1

2

4

0

3

5

1

0

3

0

8

2

5

6

2

0

H

m

1

5

4

1

0

2

5

0

0

0

6

,

0

5

,

0

4

,

0

P

k

W

3

,

0

2

,

0

1

,

0

0

8

0

Q m /h

3

1

0

2

0

3

0

l/min

0

200

100

400

300

50

0

6

0

(

%

)

N

P

S

H

m

η

η

4

0

2

0

0

8

6

4

2

0

25

20

15

10

5

0

3

2

1

0

6

0

4

0

2

0

0

9

6

3

0

0,8

0,6

0,4

0,2

0

2

5

2

0

1

5

1

0

5

0

8

0

7

0

6

0

5

0

4

0

3

0

2

0

1

0

0

4

3

2

1

0

2

5

2

0

1

5

1

0

5

0

P

H

P

H

f

t

N

P

S

H

f

t

0

Q m /h

3

10

2

0

0

50

100

U.S. g.p.m

.

A Ø 2 5 1

B Ø 2 4 7

NM(S)4 40/2

5

C Ø 2 2 7

3

0

A

B

A

0

Q m /h

3

10

2

0

l/min

0

20

0

100

400

300

50

0

C

C

0

Q m /h

3

1

0

2

0

72.076N

3

0

B

N

P

S

H

f

t

P

H

P

H

f

t

H

m

N

P

S

H

m

P

k

W

6

5

1

8

1

6

1

4

1

2

1

0

8

6

4

1.2

1.

0

0.

8

0.

6

0.

4

0.

2

0

8

6

4

2

0

0

20

30

40

50

60

70

80

9

0

U.S. g.p.m.

A Ø 204

B Ø 195

40

50

54

56

NM(S)4 40/2

0

η 58

%

5

6

54

50

4

0

0

5

10

15

2

0

Q m /h

3

0

50

100

150

200

250

300

35

0

l/mi

n

l/

s

0

1

2

3

4

5

6

A

B

0

5

10

15

20

Q m /h

3

72.07

7

5

0

4

0

3

0

2

0

1.

6

1.

0

0

25

20

15

10

5

0

N

P

S

H

f

t

P

H

P

H

f

t