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

Campo di Applicazione n ≈ 2900 1/min

U.S.g.p.m.

100

150

200

250

300

350

40

0 U.S.g.p.m.

100

150

200

250

300

350

30

0

S∅151

A ∅174

90

A ∅ 146

NR 65/125

NR 65/160

120

80

B∅162

D∅136

30

100

70

20

m

F∅124

60

H

80

m

50

20

H

60

40

t

f

t

f

10

H

H

30

40

10

20

20

10

0

0

0

0

0Qm

3

/h

20

30

40

50

60

70

80

0Qm

3

/h

20

30

40

50

60

70

80

5

0 Q l/min

400

600

800

1000

1200

8

0 Q l/min

400

600

800

1000

1200

4

S

6

A

10

3

A

5

4

6

B

8

k

k

W

P

W

P

D

6

2

F

4

3

H

H

4

P

P

P

P

1

2

1

2

2

0

0

0

0

80

80

60

S

60

A

D

A

B

%

%

40

F

40

η

η

20

20

0

0

10

30

10

30

8

8

m

H

t

f

m

H

t

f

6

2

0

6

20

S

P

H

S

S

P

H

S

4

4

N

P

N

N

P

N

2

1

0

2

10

0

0

0

0

0Qm

3

/h

20

30

40

50

60

70

80

0Qm

3

/h

20

30

40

50

60

70

80

U.S.g.p.m.

100

150

200

250

300

350

90

0

U.S.g.p.m.

100

150

200

250

300

350

70

0

220

280

S ∅ 209

60

NR 65/200

200

80

A ∅ 245

NR 65/250

260

A ∅ 200

180

t

f

H

50

B ∅ 188

160

70

B ∅ 229

220

m

m

140

40

60

200

H

t

f

H

H

C ∅ 209

180

30

100

50

160

50

140

20

60

40

120

10

40

30

100

0Qm

3

/h

20

30

40

50

60

70

80

0Qm

3

/h

20

30

40

50

60

70

80

0 Q l/min

400

600

800

1000

1200

20

0 Q l/min

400

600

800

1000

1200

16

12

S

20

16

A

24

A

16

B

20

W

P

W

P

k

k

B

12

C

12

16

8

H

H

P

P

8

8

12

P

P

4

4

4

8

4

0

0

0

0

80

80

S

60

B

A

60

%

%

40

40

η

η

20

20

0

0

8

8

m

6

6

20

20

m

H

t

f

H

H

t

f

H

S

S

4

4

P

S

P

S

N

P

N

N

P

N

10

10

2

2

0

0Qm

3

/h

20

30

40

50

60

70

80

0

0

0Qm

3

/h

20

30

40

50

60

70

80

0

101