NM4, NMS4 60 H

z

Characteristic curves n ≈ 1750 rp

m

0

200

300

400

500

600

700

U.S. g.p.m.

0

200

300

400

500

600

70

0

U.S. g.p.m

.

N

P

S

H

m

(

%

)

P

k

W

H

m

44

40

30

20

10

20

16

12

8

4

0

80

70

60

50

40

10

8

6

4

2

0

S Ø 292

NM4 80/31

5

A Ø 274

B Ø 254

C Ø 243

0

50

100

150

18

0

Q m /h

3

0

500

1000

1500

2000

2500

3000

l/min

S

A

B

C

S

C

B

A

S

C

14

0

12

0

10

0

8

0

6

0

4

0

2

0

1

0

0

30

20

10

0

A Ø 350

NM4 80/40

0

B Ø 328

C Ø 307

S Ø 350

P

H

P

H

f

t

N

P

S

H

f

t

N

P

S

H

m

(

%

)

P

k

W

H

m

S

A

7

0

6

0

5

0

4

0

3

0

2

0

1

0

0

50

100

150

18

0

Q m /h

3

0

500

1000

1500

2000

2500

3000

l/mi

n

4

0

3

0

2

0

1

0

0

8

0

7

0

6

0

5

0

4

0

1

0

8

6

4

2

0

B

C

A

S

C

B

S

C

20

0

15

0

10

0

5

0

4

0

2

0

0

3

0

2

0

1

0

0

H

f

t

P

H

P

N

P

S

H

f

t

0

50

100

150

18

0

Q m /h

3

0

50

100

150

18

0

Q m /h

3

65