NM4, NMS4 60 H

z

Characteristic curves n ≈ 1750 rp

m

0

0

25

H

m

20

15

10

5

0

20

16

P

k

W

8

4

0

8

6

NPSH

4

m

2

0

0

0

0

60

H

m

50

40

30

0

6

0

P

4

0

k

W

2

0

0

1

0

8

NPSH

6

m

4

2

0

U.S. g.p.m. 300

600

900

1200

1500

0

U.S. g.p.m.

400

800

1200

1600

Imp.g.p.m.

300

600

900

1200

0

Imp.g.p.m.

400

800

120

0

60

65

A Ø 233

70

75

B

C

D

E

Ø 217

Ø 203

40

NM(S)4 125/250

NMS4 125/31

5

η 78

%

80

70

f

t

60

A Ø 288

6

5

7

0

H

75

m

B Ø 271

η 78

%

30

C Ø 258

7

5

75

Ø 189

70

50

7

0

65

65

Ø 175

40

6

0

20

30

20

Q m /h

3

100

200

300

360

10

40

0

400

Q m /h

3

100

200

300

A

B

C

D

20

P

H

P

1

0

E

0

2

0

NPSH

ft

10

0

30

P

20

k

W

10

0

10

8

NPS

H

6

m

4

2

A

B

C

Q m /h

3

100

200

72.57

4

300

360

72.575

0

Q m /h

3

100

200

300

U.S. g.p.m. 300

600

900

1200

1500

Imp.g.p.m.

300

600

900

1200

A Ø 354

60

65

NMS4 125/400

200

70

180

B Ø 333

η 73

%

160

C Ø 318

70

65

140

ft

120

100

Q m /h

3

100

200

300

360

A

B

C

8

0

8

0

6

0

P

4

0

HP

2

0

0

3

0

NPSH

ft

2

0

1

0

Q m /h

3

100

200

72.57

6

300

360

12

0

ft

100

80

60

40

40

P

HP

20

0

30

NPS

H

20

ft

10

40

0

67