ed. 09/202

6

NR, NRS

Campo di Applicazione n ≈ 1450 1/mi

n

0

U.S.g.p.m

.

50

100

150

200

8

7

6

5

H

m

4

3

2

1

0

0,

6

P

k

W

0,

4

0,

2

0

8

0

6

0

%

η

η

4

0

2

0

0

8

N

P

S

H

m

6

4

2

0

2

0

1

8

1

6

1

4

1

2

H

m

1

0

8

6

4

2

0

2

1,

6

P

k

W

1,

2

0,

8

0,

4

0

8

0

6

0

%

η

η

4

0

2

0

0

5

N

P

S

H

m

4

3

2

1

0

S ∅ 15

1

NR4 65/125

A ∅ 14

6

D ∅ 13

6

F ∅ 12

4

0

Q m /h

3

10

20

30

40

50

Q l/min

0

200

400

600

800

F

D

S

A

F D S

A

0

10

20

30

40

5

0

Q m /h

3

0

50

100

150

20

0

U.S.g.p.m

.

NR4 65/200

A ∅ 20

9

B ∅ 200

C ∅ 18

8

0

Q m /h

3

10

20

30

40

50

Q l/min

0

200

400

600

80

0

A

B

C

A

B

C

25

20

15

10

5

0

0,

8

0,

6

0,

4

0,

2

0

2

0

1

0

0

60

50

40

30

20

10

0

2,

4

2

1,

6

1,

2

0,

8

0,

4

0

15

10

5

0

0

10

20

30

40

50

Q m /h

3

H

f

t

P

H

P

N

P

S

H

f

t

H

f

t

P

H

P

N

P

S

H

f

t

10

9

8

7

6

H

m

5

4

3

2

1

0

1

0,

8

P

k

W

0,

6

0,

4

0,

2

0

8

0

6

0

%

η

η

4

0

2

0

0

10

N

P

S

H

m

8

6

4

2

0

2

5

2

0

15

H

m

10

5

0

4

3,

2

P

k

W

2,

4

1,

6

0,

8

0

8

0

6

0

%

η

η

4

0

2

0

0

10

N

P

S

H

m

8

6

4

2

0

19

3

0

50

100

150

20

0

U.S.g.p.m.

A ∅ 174

NR4 65/160

B ∅ 16

2

0

Q m /h

3

10

20

30

40

5

0

Q l/min

0

200

400

600

800

A

B

B

A

0

10

20

30

40

50

Q m /h

3

0

50

100

150

20

0

U.S.g.p.m

.

A ∅ 25

5

NR4 65/250

B ∅ 245

C ∅ 229

D ∅ 209

0

Q m /h

3

10

20

30

40

50

Q l/mi

n

0

200

400

600

800

A

B

C

D

C-

D

A

B

30

25

20

15

10

5

0

1,2

1

0,8

0,6

0,4

0,2

0

30

20

10

0

80

70

60

50

40

30

20

10

0

4,8

4

3,2

2,4

1,6

0,8

0

30

20

10

0

0

10

20

30

40

5

0

Q m /h

3

H

f

t

P

H

P

N

P

S

H

f

t

H

f

t

P

H

P

N

P

S

H

f

t