ed. 09/202

6

NR, NRS

Campo di Applicazione n ≈ 2900 1/mi

n

0

U.S.g.p.m.

100

150

200

250

300

350

0

U.S.g.p.m.

100

150

200

250

300

350

H

m

N

P

S

H

m

η

η

%

P

k

W

H

m

N

P

S

H

m

η

η

%

P

k

W

30

20

10

0

5

4

3

2

1

0

8

0

6

0

4

0

2

0

0

10

8

6

4

2

0

7

0

6

0

5

0

4

0

3

0

2

0

1

0

1

6

1

2

8

4

0

8

0

6

0

4

0

2

0

0

8

6

4

2

0

S∅ 15

1

A∅ 146

NR 65/125

D∅ 136

F ∅ 12

4

0

Q m /h

3

20

30

40

50

60

70

80

Q l/min

0

400

600

800

1000

1200

S

A

D

F

S

A

D

F

0

Q m /h

3

20

30

40

50

60

70

80

Q l/min

0

400

600

800

1000

120

0

90

80

70

60

50

40

H

f

t

30

20

10

0

6

5

4

3

2

1

0

P

H

P

3

0

2

0

1

0

N

P

S

H

f

t

0

0

20

30

40

50

60

70

80

Q m /h

3

0

U.S.g.p.m.

100

150

200

250

300

350

220

200

180

160

140

H

f

t

100

50

60

40

20

1

6

1

2

8

P

H

P

4

0

20

10

N

P

S

H

f

t

0

H

m

N

P

S

H

m

η

η

%

P

k

W

S ∅ 209

NR 65/200

A ∅ 200

B ∅ 188

H

m

S

A

B

S

A

B

N

P

S

H

m

η

η

%

P

k

W

40

30

20

10

0

8

6

4

2

0

80

60

40

20

0

10

8

6

4

2

0

90

80

70

60

50

40

30

20

16

12

8

4

0

80

60

40

20

0

8

6

4

2

0

A ∅ 174

NR 65/160

B ∅ 162

0

Q m /h

3

20

30

40

50

60

70

8

0

Q l/min

0

400

600

800

1000

120

0

A

B

A

B

120

100

8

0

6

0

4

0

2

0

0

1

0

8

6

4

P

H

P

2

0

30

20

10

0

0

20

30

40

50

60

70

8

0

Q m /h

3

0

U.S.g.p.m

.

100

150

200

250

300

350

280

260

H

f

t

220

200

180

160

140

120

100

2

4

2

0

1

6

1

2

8

4

0

P

H

P

20

10

N

P

S

H

f

t

0

H

f

t

N

P

S

H

f

t

A ∅ 24

5

NR 65/25

0

B ∅ 22

9

C ∅ 209

0

20

30

40

50

60

70

8

0

Q m /h

3

Q l/min

0

400

600

800

1000

1200

A

B

C

0

20

30

40

50

60

70

80

Q m /h

3

0

20

30

40

50

60

70

80

Q m /h

3

187