NM4, NMS

4

Characteristic curves n ≈ 1450 rp

m

0

15

0

U.S. g.p.m

.

30

0

100

200

250

35

0

S Ø 175

NM(S)4 65/1

6

A 165

Ø

B Ø 153

C Ø 143

P

k

W

H

m

B

C

C

B

A

S

N

P

S

H

m

η

η

(

%

)

9

0

P

k

W

H

m

N

P

S

H

m

η

η

(

%

)

12

35

10

30

8

25

6

20

15

4

10

2

5

0

0

0

Q m /h

3

3

0

6

0

9

0

l/mi

n

0

60

0

300

120

0

900

150

0

3

4

3

2

S

A

2

1

1

0

0

8

0

6

0

4

0

2

0

0

8

2

5

6

2

0

1

5

4

1

0

2

5

0

0

0

Q m /h

3

3

0

6

0

72.082N

0

150

U.S. g.p.m. 100

200

250

350 400

300

24

20

60

16

12

40

8

20

4

0

0

0

Q m /h

3

20

40

60

80

l/mi

n

0

500

1500

1000

100

6

A

8

4

B

6

4

2

2

0

0

80

A

60

40

B

20

0

8

2

5

6

2

0

1

5

4

1

0

2

5

0

0

0

Q m /h

3

72.082

N

100

A 25

2

Ø

NM(S)4 65/2

5

B 230

Ø

20

40

60

80

P

H

P

H

f

t

N

P

S

H

f

t

P

H

P

H

f

t

N

P

S

H

f

t

N

P

S

H

m

η

η

(

%

)

P

k

W

H

m

H

m

N

P

S

H

m

P

k

W

6

7

0

15

0

U.S. g.p.m

. 100

200

250

350 400

300

A 206

Ø

NM(S)4 65/20

B 190

Ø

1

6

50

1

4

1

2

40

1

0

30

8

6

20

4

10

2

0

0

0

Q m /h

3

20

4

0

6

0

80

l/min

0

500

150

0

1000

10

0

3

A

4

2

B

3

2

1

1

0

0

8

0

A

6

0

4

0

B

2

0

0

8

25

6

20

15

4

10

2

5

0

0

0

Q m /h

3

20

4

0

6

0

80

72.082

N

10

0

0

100

200

300

38

0

U.S. g.p.m

.

4

0

A Ø 321.5

50

60

6

4

NM(S)4 65/31

12

0

6

8

B

Ø 302

η 69%

3

0

68

10

0

C

Ø 27

8

64

80

60

2

0

60

50

40

1

0

0

20

30

40

50

60

70

80

90

Q m /h

3

0

500

1000

150

0

l/mi

n

l/s

0

5

10

15

20

25

10

A

1

2

8

B

1

0

6

8

C

6

4

4

2

2

0

0

4

3

2

1

0

12

10

8

6

4

2

0

P

H

P

H

f

t

N

P

S

H

f

t

N

P

S

H

f

t

P

H

P

H

f

t

0

20

30

40

50

60

70

80

90

Q m /h

3

72.087