NM, NMS

Characteristic curves n ≈ 2900 rp

m

NM, NM

S

H

m

N

P

S

H

m

P

k

W

H

m

N

P

S

H

m

P

k

W

2

5

2

0

1

5

1

0

5

1.6

1.2

0.8

0.4

0

8

6

4

2

0

60

50

40

30

4

3

2

1

5

4

2

0

U.S. g.p.m.

0

20

40

60

80

100

S Ø 130

60 65 66 6

8

A Ø 130

U.S. g.p.m.

0

20

30

40

50

60

70

70

η 72%

70

38

80

A Ø 164

50

NM(S) 32/12

NM(S) 32/16

35

55 57 5

9

70

120

D Ø 118

6

8

60

66

65

50

F Ø 103

40

30

20

0

5

10

15

20

25

Q m /h

3

0

100

200

300

40

0

l/min

l/

s

0

1

2

3

4

5

6

S

A

D

F

2.0

1.6

1.2

0.8

0.4

0

20

10

0

0

5

10

15

20

25

Q m /h

3

72.01

0

U.S. g.p.m

.

0

20

30

40

50

60

70

A

Ø 20

4

40

45 47 4

9

NM(S) 32/20

51

5

2

180

η 53%

160

C

Ø 18

7

140

D

Ø 17

8

120

100

0

5

10

1

5

Q m /h

3

0

100

200

30

0

l/mi

n

l/

s

0

1

2

3

4

5

A

C

D

6

5

4

3

2

15

10

5

0

H

f

t

P

H

P

N

P

S

H

f

t

H

f

t

P

H

P

N

P

S

H

f

t

61

η 63

%

B 3~ Ø 149

100

30

H

m

B 1~ Ø 143

25

80

20

60

15

0

5

10

15

Q m /h

3

0

100

200

30

0

l/mi

n

l/

s

0

1

2

3

4

5

2.4

2.0

P

k

W

A

B

B

3

3~

1~

2

1.0

1

N

P

S

H

m

0.4

8

6

4

2

0

25

20

15

10

5

0

0

5

10

15

Q m /h

3

72.011

0

50

100

150

U.S. g.p.m

.

4

5

4

0

3

5

3

0

2

5

2

0

1

5

1

0

5

14

0

A

Ø 167

NM(S) 32L/1

6

12

0

10

0

8

0

6

0

4

0

2

0

0

Q m /h

3

10

20

l/mi

n

0

200

40

0

5

4

3

2

1

0

8

0

6

0

4

0

2

0

0

10

8

6

4

2

0

6

5

4

3

2

1

0

30

20

10

0

H

f

t

N

P

S

H

f

t

P

H

P

B Ø

151

C

Ø 137

H

f

t

N

P

S

H

m

η

(

%

)

P

k

W

H

m

30

A

B

C

P

H

P

A

C

B

C

B

A

N

P

S

H

f

t

0

Q m /h

3

10

20

30

0

5

10

1

5

Q m /h

3

72.01

2

57