N4

Pompe centrifughe ad aspirazione assiale

normalizzate EN 733

0 U.S. g.p.m.10

20

30

40

50

6

10

0 U.S. g.p.m.10

20

30

40

50

5

4

3

2

1

15

10

5

8

6

4

30

20

10

0.5

0.4

0.3

0.2

0.1

15

10

5

0

5

50

40

30

20

10

1.0

0.8

0.6

0.4

0.2

1.2

1.0

0.8

0.6

0.4

0.2

0

0

0

Q

m

3

/

h

5

1

0

1

2

2

0,3

0

l/min

50

100

150

200

0,2

0,1

0,4

0,3

0,2

0,1

0

Qm

3

/

h

2

4

6

8

10

12

0

l/min

50

100

150

200

0

l/s

1

2

3

3.6

0

0

80

60

40

20

4

3

10

0.4

0.3

0.2

0.1

0

0

0

8

25

15

2

10

4

5

2

1

0

0

Qm

3

/h

5

10

72.076N

12

0

0

Qm

3

/

h

2

4

6

8

1

0

72.07

4

12

0 U.S. g.p.m.

20

30

40

45

50

60

0

0

0

Qm

3

/h

2

4

6

8

1

0

1

2

14

0

l/min

50

100

150

200

0

l/s

1

2

3

3.8

0

0

8

4

2

25

6

20

0

0

0

Qm

3

/h

2

4

6

8

10

1

2

72.07

5

14

15

10

5

75

6

20

5

0

0

Curve caratteristiche n ≈ 1450 1/min

A Ø 164

50

55

58

N4 32-160

60

62

B Ø 150

η 62%

62

60

58

55

AØ

DØ

N4 32-125

130

118

F

Ø

103

A

D

F

A

B

A Ø 204

N4 32-200

B Ø 195

35 40

4 8

50

52

η 53%

52

5

48

4

40

35

A

B

N

P

S

H

m

P

k

W

H

m

N

P

S

H

m

η

(

%

)

P

k

W

H

m

N

P

S

H

f

t

P

H

P

H

f

t

N

P

S

H

f

t

N

P

S

H

m

P

H

P

H

f

t

H

m

N

P

S

H

f

t

P

H

P

H

f

t

P

k

W