NR(D)(EI), NR(D)4(EI)

Campo di Applicazione n ≈ 2900 1/min

25

0 U.S.g.p.m. 50

100

150

200

40

0 U.S.g.p.m. 50

100

150

200

80

A ∅134

NR 50/125

70

A ∅167

120

NR 50/160

20

100

C ∅123

60

30

B ∅151

15

50

80

F∅115

m

m

H

f

C ∅137

t

H

H

40

20

60

10

t

f

30

H

40

20

10

5

10

20

0

0 Q m

3

/h

10

20

30

40

50

0

0

0 Q m

3

/h

10

20

30

40

50

0

2,5

0 Q l/min

200

400

600

800

5

0 Q l/min

200

400

600

800

2

A

3

4

A

6

5

W

k

P

H

k

P

H

1,5

C

2

3

4

W

B

P

P

P

P

1

F

2

C

3

0,5

1

1

2

1

0

0

0

0

80

80

60

C

A

60

%

%

40

F

40

C

BA

η

η

20

20

0

0

8

8

m

m

6

6

20

20

H

t

f

H

H

t

f

H

S

S

4

4

P

S

P

S

10

10

N

P

N

N

P

N

2

2

0

0 Q m

3

/h

10

20

30

40

50

0

0

0 Q m

3

/h

10

20

30

40

50

0

0

U.S.g.p.m.

50

75

100

125

150

175

0

U.S.g.p.m.

50

100

150

200

60

100

A∅204

NR 50/200

180

NR 50/250

300

A ∅251

50

B∅195

160

80

250

140

40

D∅180

B ∅227

m

m

120

H

60

C ∅215

200

t

f

H

H

30

20

10

100

t

f

80

H

40

150

100

60

40

20

0Qm

3

/

h

1

0

1

5

2

0

2

5

3

0

3

5

40

0Qm

3

/

h

1

0

2

0

3

0

4

0

50

10

0 Q l/min

200

300

400

500

600

16

0 Q l/min

200

400

600

800

8

A

12

A

20

10

12

B

15

k

H

H

W

P

P

6

B

B

C

8

W

k

10

P

P

P

P

4

D

6

8

2

4

2

4

5

0

0

0

0

80

80

60

60

A

B

C

%

%

40

40

η

η

20

20

0

0

8

8

m

m

6

2

0

6

20

H

t

f

H

H

t

f

H

S

S

4

4

P

S

P

S

10

N

P

N

N

N

10

P

2

2

0

0 Q m

3

/h

10

15

20

25

30

35

40

0

0

0 Q m

3

/h

10

20

30

40

50

0

100