ed. 09/202

6

NR, NRS

Campo di Applicazione n ≈ 1450 1/mi

n

0

150

U.S. g.p.m

.

100

200

250

350

30

0

S

17

5

Ø

NR4 80/160

A 16

5

Ø

B

15

3

Ø

C

14

3

Ø

N

P

S

H

m

η

η

(

%

)

P

k

W

H

m

9

0

B

C

C

B

A

S

C

3

0

6

0

90

N

P

S

H

m

η

η

(

%

)

P

k

W

H

m

12

10

8

6

4

2

0

0

Q m /h

3

30

6

0

l/min

0

600

300

1200

900

1500

3

2

1

0

80

60

40

20

0

8

6

4

2

0

0

25

20

15

10

5

6

B

5

4

3

2

1

80

70

60

50

40

8

10

C

6

4

3

5

3

0

2

5

S

A

S

Q m /h

3

72.082N

0

100

150

200

250

300

350

40

0

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

)

0

20

40

60

80

10

0

Q m /h

3

0

400

600

800

1000

1200

1400

160

0

l/min

2

0

1

5

1

0

5

0

4

3

2

1

0

2

5

2

0

1

5

1

0

5

0

80

70

60

50

40

30

20

7.5

5.0

2.5

20

N

P

S

H

(

f

t

)

P

H

P

H

f

t

N

P

S

H

f

t

H

(

f

t

)

P

(

H

P

)

0

A Ø 25

2

NR4 80/250

B Ø 23

0

C

B

C

B

2

0

Q m /h

3

0

20

40

60

80

10

0

19

4

0

150

U.S. g.p.m. 100

200

250

350 40

0

300

1

6

1

4

1

2

1

0

A 20

6

Ø

NR4 80/200

B 19

0

Ø

50

40

30

H

m

N

P

S

H

m

η

η

(

%

)

P

k

W

8

6

4

2

0

0

Q m /h

3

2

0

40

60

80

l/min

100

0

0

500

1500

4

3

2

1

0

80

60

40

20

0

10

8

6

4

2

0

0

A

B

A

B

A

B

Q m /h

3

2

0

40

60

80

72.082N

20

10

0

10

0

5

4

3

2

1

0

3

0

2

5

2

0

1

5

1

0

5

0

10

0

N

P

S

H

f

t

P

H

P

H

f

t