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

Campo di Applicazione n ≈ 1450 1/min

6

0 U.S. g.p.m.10

20

30

40

50

6

18

16

14

6

0 U.S. g.p.m. 20

A Ø 134.5

5

30

40

50

72

60

70

80

5

4

3

B

4

C Ø 118

18

16

14

12

10

8

6

0.2

0.1

0

0Q

m

3

/h

2

0.2

0.1

12

72.079

0

0.3

0.2

0.1

0.4

0.3

0.2

0.1

4

6

8

10

5

10

72.111

20

0

50

1

2

3

10

2

0Qm

3

/h

2

4

6

8

1

0

12

0Qm

3

/

h

5

10

15

20

8

2

1

4

0 l/min

50

100

150

200

0

l/s0.5

1

1.5

2

2.5

3

3.5

0 l/min 50

0

l/s

1

0

0Q

m

3

/h

100

150

200

250

15

300

5

103

2

3

4

60

65

68

NR4 65

Ø 12 6

h 74 %

72

68

65

60

A Ø 130

50

55

0

6 4

NR4 50

65

h 65%

B Ø 120

64

C Ø 110

60

55

B

A

C

A

B

C

P

k

W

H

m

P

H

P

H

f

t

P

k

W

H

m

P

H

P

H

f

t