NM4, NMS4

Pompe centrifughe monoblocco

6

5

4

3

0.2

0.1

20

18

16

14

12

0

30

25

20

15

10

5

0

0.4

0.3

0.2

0.1

15

10

5

25

Ø19

50

0,7

0,6

0,5

0,4

0,3

0,2

0,1

80

60

40

20

0

8

6

4

2

0

l/min

50

100

150

200

0 U.S.g.p.m. 5

10

15

20

25

0

0 U.S.g.p.m.

8

0

6

4

2

10

20

30

0

Qm

3

/

h

1

2

3

4

5

6

0

l/min

20

40

60

80

100

0

l/s0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1

0

0

0

Qm

3

/

h

2

3

4

5

6

7

8

0

l/min20

40

60

80

100

120

0

l/

s

0.

4

0.

6

0.

8

1

1.

2

1.

4

1.

6

1.

8

2

2.2

B

0

Qm

3

/h

1

2

0 U.S.g.p.m.

3

4

5

72.071

6

0

Qm

3

/h

2

3

4

5

6

7

72.072

8

0

0

0

Q

m

3

/h

5

10

15

250

0

0

3

72.076N

0

Qm/h

5

10

15

0.2

0.1

0.3

0.2

0.1

0

0

0

0

15

5

10

4

8

25

3

1

0

6

20

2

4

1

2

0

0

0

0

40

30

20

10

0,8

0,6

0,4

0,2

25

20

15

10

5

47

10

5

Curve caratteristiche n ≈ 1450 1/min

A Ø 131.5

45

NM4 25/12

50

54

56

η 57%

56

54

5

A Ø 161.5

45

40

50

52

NM4 25/160

η 53.5%

B Ø 15

52

50

45

4

A

A

AØ

B

200

NM4 25/200

4

C Ø184

A

B

C

B

C

A

N

P

S

H

m

η

(

%

)

P

k

W

H

m

N

P

S

H

m

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

P

k

W

H

f

t

H

m

N

P

S

H

f

t

P

H

P

H

f

t