ed. 09/202

6

NR, NRS

Campo di Applicazione n ≈ 1450 1/mi

n

H

m

N

P

S

H

m

η

η

%

P

k

W

H

m

N

P

S

H

m

η

η

%

P

k

W

0

10

9

8

7

6

5

4

3

2

1

0

0,

7

0,

6

0,

5

0,

4

0,

3

0,

2

0,

1

0

8

0

6

0

4

0

2

0

0

1

0

8

6

4

2

0

25

20

15

10

5

0

2,

8

2

0,

8

0

8

0

6

0

4

0

2

0

0

8

6

4

2

0

U.S.g.p.m.

40

60

80

100

120

0

U.S.g.p.m.

40

60

80

100

12

0

A∅ 167

NR4 50/160

B ∅ 15

1

C ∅ 137

A

B

C

C

B

A

30

25

20

15

10

5

0

0

Q m /h

3

5

10

15

20

25

30

0

100

200

300

400

500

Q l/mi

n

0,

8

0,

6

0,

4

0,

2

0

30

20

10

0

0

5

10

15

20

25

30

Q m /h

3

0

U.S.g.p.m

.

40

60

80

100

12

0

8

0

7

0

6

0

5

0

4

0

3

0

2

0

1

0

0

0

Q m /h

3

5

10

15

20

25

30

0

100

200

300

400

500

Q l/mi

n

H

f

t

P

H

P

N

P

S

H

f

t

H

f

t

3,

2

2,

4

1,

6

P

H

P

0,

8

0

20

10

N

P

S

H

f

t

0

H

m

N

P

S

H

m

η

η

%

P

k

W

16

14

12

10

8

6

4

2

0

1,4

1

0,4

0

80

60

40

20

0

5

4

3

2

1

0

A∅ 20

4

NR4 50/200

B ∅ 195

50

40

30

H

f

t

20

10

0

0

Q m /h

3

5

10

15

20

25

30

0

100

200

300

400

50

0

Q l/mi

n

1,6

1,2

0,8

P

H

P

0,4

0

1

5

1

0

5

N

P

S

H

f

t

0

A

B

A

B

0

5

10

15

20

25

30

Q m /h

3

A∅ 25

1

NR4 50/25

0

B ∅ 247

C ∅ 227

A

B

C

A

B

C

0

5

10

15

20

25

30

Q m /h

3

192