ed. 09/202

6

NM4, NMS

4

Characteristic curves n ≈ 1450 rp

m

0

100

0

U.S. g.p.m

.

500

1500

200

0

C

29

2

Ø

NMS4 150-315

D

27

2

Ø

C

D

C

D

H

m

P

k

W

(

%

)

η

η

N

P

S

H

m

H

m

P

k

W

3

0

2

0

1

0

0

0

Q m /h

3

100

20

0

300

40

0

500

l/mi

n

0

2000

4000

6000

8000

2

5

2

0

1

5

1

0

5

0

10

0

8

0

60

40

20

8

6

4

2

0

0

Q m /h

3

100

200

30

0

40

0

0

1000

1500

2000

2500

300

0

U.S. g.p.m

.

7

0

S

42

0

Ø

6

0

A

39

0

Ø

5

0

B

35

0

Ø

4

0

3

0

2

0

0

Q m /h

3

20

0

30

0

400

500

60

0

l/min

0

1000

0

500

0

10

0

8

0

6

0

4

0

2

0

0

10

0

8

0

(

%

)

η

η

6

0

4

0

2

0

8

N

P

S

H

m

6

4

2

0

0

Q m /h

3

N

P

S

H

f

t

S

A

20

0

300

40

0

9

0

8

0

7

0

6

0

5

0

H

f

t

4

0

3

0

2

0

1

0

0

3

0

2

0

P

H

P

1

0

0

D

C

2

0

1

0

0

50

0

22

0

NMS4 150-400

20

0

18

0

16

0

H

f

t

14

0

12

0

10

0

80

700

12

0

80

P

H

P

40

0

2

0

1

0

N

P

S

H

f

t

0

700

S

A

B

B

S

B

A

50

0

600

H

m

N

P

S

H

m

η

η

(

%

)

P

k

W

7

3

NMS4 150-315

S

0

1000

1500

2000

2500

3000

U.S. g.p.m

.

40

S

32

2

Ø

A

30

0

Ø

30

B

28

0

Ø

20

1

0

0

Q m /h

3

200

300

400

500

60

0

l/min

5000

0

1000

0

50

40

A

30

B

20

10

0

100

80

60

40

20

8

6

4

2

0

S

A

B

S

A

B

0

Q m /h

3

20

0

30

0

400

50

0

600

140

130

120

100

90

80

70

60

50

40

700

60

40

20

0

2

0

1

0

0

700

H

f

t

P

H

P

N

P

S

H

f

t