ed. 09/202

6

NR, NRS

Campo di Applicazione n ≈ 2900 1/mi

n

H

m

P

k

W

0

20

40

60

8

0

U.S. g.p.m

.

18

C

Ø 116

50 55 60 6

2

NR 5

0

15

50

η 64%

6

2

60

40

D

Ø 10

3

5

5

10

5

0

30

20

5

10

0

0

0

5

10

15

2

0

Q m /h

3

l/mi

n

0

100

200

300

l/s

0

1

2

3

4

5

1.

0

C

1.

2

1.

0

0.

8

0.

5

D

0.

6

0

0.

4

0

0.

2

0

5

10

15

2

0

Q m /h

3

72.115

P

H

P

H

f

t

0

10

20

30

40

50

U.S.g.p.m.

A ∅ 161,

5

NR 32/16

0

B ∅ 144

H

m

N

P

S

H

m

η

η

%

P

k

W

4

0

3

0

2

0

1

0

0

0

Q m /h

3

4

6

8

2

10

1

2

0

50

100

150

20

0

Q l/min

2

1,

5

1

0,

5

0

8

0

6

0

4

0

2

0

0

8

6

4

2

0

A

B

A

B

120

100

8

0

6

0

4

0

2

0

0

3

2

1

0

2

0

1

0

0

H

f

t

P

H

P

N

P

S

H

f

t

Q m /h

3

0

2

4

6

8

10

12

N

P

S

H

m

η

η

%

P

k

W

H

m

H

m

N

P

S

H

m

η

η

%

P

k

W

18

4

0

10

20

30

40

5

0

U.S.g.p.m.

NR 32/125

A ∅ 131,5

B ∅ 118

A

B

B

A

A

B

Q m /h

3

0

2

0

U.S.g.p.m.

4

6

8

10

20

40

6

0

30

7

0

50

1

2

30

20

10

0

0

Q m /h

3

4

6

8

2

10

1

2

0

50

100

150

20

0

Q l/mi

n

1

0,8

0,6

0,4

0,2

0

80

60

40

20

0

4

3

2

1

0

6

0

5

0

4

0

3

0

2

0

10

5

4

3

2

1

0

80

60

40

20

0

8

6

4

2

0

S ∅ 200

NR 32/200

A ∅ 190

B ∅ 178

0

Q m /h

3

5

10

15

18

Q l/min

0

100

150

200

250

30

0

A

S

B

B

A

S

80

H

f

t

60

40

20

0

1

P

H

P

0,5

0

10

5

N

P

S

H

f

t

0

180

160

140

120

100

H

f

t

80

60

40

6

5

4

3

2

1

0

P

H

P

2

0

1

0

N

P

S

H

f

t

0

0

5

10

15

1

8

Q m /h

3