ed. 09/202

6

NR, NRS

Campo di Applicazione n ≈ 1450 1/mi

n

0

200

300

400

500

60

0

Q (U.S. g.p.m.

)

NR4 100/16

0

A Ø20

5

NR4 100/20

0

B Ø18

8

C Ø16

5

P

k

W

H

m

B

P

H

P

H

f

t

H

m

0

4

0

Q m /h

3

20

60

80

100

120

14

0

0

500

1000

1500

2000

l/mi

n

A

C

A

N

P

S

H

m

η

η

(

%

)

B

C

C

B

A

N

P

S

H

f

t

N

P

S

H

m

η

η

(

%

)

P

k

W

B

C

A

B

C

H

m

P

k

W

0

150

200

250

300

350

400

Q (U.S. g.p.m.

)

12

14

A Ø176

3

5

10

12

40

3

0

8

B Ø157

2

5

C Ø144

10

8

30

6

2

0

1

5

6

20

4

2

0

1

0

5

0

0

20

40

60

80

10

0

4

10

2

0

0

Q m /h

3

l/min

0

400

600

800

1000

1200

1400

160

0

2.5

A

3

2.

0

1.

5

1.

0

0.

5

90

80

70

60

50

2.

0

1.

5

1.

0

0.

5

0.

0

2

1

5.

0

2.

5

0.

0

5

4

3

2

1

80

70

60

50

40

3

2

1

0

6

4

2

4

A

B

C

10

5

0

0

20

40

60

80

10

0

Q m /h

3

0

20

40

60

80

100

120

14

0

Q m /h

3

10

9

8

7

6

5

4

3

2

0

100

200

300

U.S. g.p.m.

0

100

200

300

400

50

0

U.S. g.p.m.

1

4

A

A Ø 174

60 65 67.5 70

Ø 21

0

60 65 68 70

30

NR4 100

NR4 12

5

7

2

7

2

B

Ø 20

0

1

2

4

5

4

0

74

B Ø 160

h 74%

7

2

C

Ø 188

3

5

h 74%

C Ø 152

7

2

7

0

1

0

7

0

68

67.

5

20

H

f

t

H

m

3

0

65

65

8

2

5

6

0

6

2

0

6

0

10

1

5

4

0

10

20

30

40

50

60

7

0

Q m /h

3

l/mi

n

0

200

400

600

800

1000

120

0

0

20

40

60

80

100

12

0

Q m /h

3

0

500

1000

1500

2000

l/mi

n

0

4

6

8

10

12

14

16

18

20

l/

s

0

10

20

30

l/

s

1.6

A

2

4

3

A

B

1.0

B

C

C

2

1

P

H

P

P

k

W

1

0

0

0

5

4

3

2

1

0

0

10

20

30

40

50

60

7

0

72.113

72.11

4

Q m /h

3

0

20

40

60

80

100

12

0

Q m /h

3

19

5

P

H

P

H

f

t

N

P

S

H

f

t

H

f

t

P

H

P