NM4, NMS4 60 H

z

NM4, NMS4 60 H

z

Characteristic curves n ≈ 1750 rp

m

0

25

50

75

100

U.S. g.p.m

.

A ∅ 144

NM4 40/1

6

B ∅ 132

C ∅ 121

0

5

10

1

5

20

Q m /h

3

2

5

0

100

200

300

400

l/mi

n

C

B

A

10

8

6

H

(

m

)

4

2

0

0,8

0,6

P

(

k

W

)

0,4

0,2

0

80

60

(

%

)

N

P

S

H

(

m

)

η

η

40

20

6

4

2

0

0

30

20

10

0

0

Q m /h

3

3

0

10

3

5

1

5

20

2

5

0

200

400

l/min

300

500

3,0

A

2,0

B

1,0

0,0

80

60

40

20

0

8

6

4

2

0

5

10

1

5

20

72.555N

Q m /h

3

2

5

0

50

100

150

U.S. g.p.m

.

A ∅ 227

NM4 40/2

5

B ∅ 219

C ∅ 196

N

P

S

H

(

m

)

η

η

(

%

)

P

(

k

W

)

H

(

m

)

C

3

0

2

0

1

0

0

1

0,

8

0,

6

0,

4

0,

2

0

10

0

9

0

8

0

7

0

6

0

5

0

4

0

3

0

2

0

1

0

0

4

3

2

1

0

2

0

1

0

0

N

P

S

H

(

f

t

)

P

(

H

P

)

H

(

f

t

)

20

H

m

15

10

5

1.

2

1.

0

P

kW

0.

6

0.

4

0.

2

8

6

NPS

H

4

m

2

0

0

U.S. g.p.m. 20

40

60

80

100

0

Imp.g.p.m

.

20

40

60

8

0

NM4 40/20

A Ø 178

45

50 52.

5

55

B Ø 168

57.5

η 58%

55

52.5

5

0

0

2

4

Q m /h

3

4

8

16

12

20

A

B

60

ft

50

4

0

3

0

2

0

1.

5

1

P

H

P

0.

5

20

NPS

H

10

ft

0

0

2

4

Q m /h

3

4

8

1

6

12

20

72.556

N

P

S

H

(

f

t

)

P

(

H

P

)

H

(

f

t

)

0

Q m /h

3

3

0

10

3

5

1

5

20

2

5

72.557

N

61