NM4, NMS4 60 H

z

Characteristic curves n ≈ 1750 rp

m

0

50

100

150

200

U.S. g.p.m

.

A ∅ 156

B ∅ 144

H

(

m

)

N

P

S

H

(

m

)

η

η

(

%

)

P

(

k

W

)

B

N

P

S

H

(

m

)

η

η

(

%

)

P

(

k

W

)

H

(

m

)

12

10

8

6

4

2

0

0

1

0

20

30

4

0

Q m /h

3

50

0

200

400

600

800

l/min

1,

2

1,

0

0,

8

0,

6

0,

4

0,

2

0

80

A

70

60

50

40

10

8

6

4

2

0

25

20

15

10

5

0

4

3

2

1

0

70

60

50

40

30

8

6

4

2

0

C ∅ 154

P

(

H

P

)

B

C

0

10

2

0

30

40

Q m /h

3

50

0

200

400

600

800

l/mi

n

0

50

100

150

200

250

U.S. g.p.m

.

2

0

60

A ∅ 188

NM4 50/16

NM4 50/20

3

0

1

5

B ∅ 164

40

2

0

H

(

f

t

)

H

(

m

)

1

0

20

1

0

5

0

0

0

0

Q m /h

3

10

2

0

3

0

40

50

60

0

200

400

600

800

100

0

l/min

2,

5

1,5

A

3

2,

0

1,0

P

(

k

W

)

1,

5

2

1,

0

0,5

1

0,

5

0

0,

0

80

0

60

30

20

10

N

P

S

H

(

f

t

)

(

%

)

N

P

S

H

(

m

)

η

η

40

20

6

4

1

0

2

0

0

0

1

0

20

30

4

0

0

Q m /h

3

50

60

Q m /h

3

50

72.558N

72.559N

0

10

2

0

3

0

40

0

50

100

150

20

0

U.S. g.p.m.

8

0

A ∅ 22

5

B ∅ 22

0

NM4 50/2

5

7

0

C ∅ 201

6

0

5

0

4

0

H

(

f

t

)

3

0

2

0

1

0

0

5

4

3

P

(

H

P

)

2

1

0

20

10

N

P

S

H

(

f

t

)

0

A

B

C

0

10

2

0

30

40

72.560N

Q m /h

3

50

6

2

H

(

f

t

)

N

P

S

H

(

f

t

)

P

(

H

P

)