Performance Curves CHOPX Chopper Pumps DRN.DATE OCT 30/02 DRN. KW CURVE 005-10713 HAYWARD GORDON LTD. MODEL CHOPX-10B SIZE REVISION 4 SPEED VARIABLE MAX SPHERE N/A IMPELLER DIAMETER FULL Capacity (m 3 /hr) 0 200 400 600 800 1000 1200 Head (m) 0 5 10 15 20 25 30 Capacity (usgpm) 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 Head (feet) 0 10 20 30 40 50 60 70 80 90 100 NPSHR (m) 6.10 7.32 8.53 9.75 10.97 NPSHR (ft) 20 24 28 32 36 1150 RPM 1050 950 RPM 850 750 650 60HP 50HP 40HP 30HP 20HP 50% 55% 60% 65% 70% 75% 75% 70% 65% MIN 25HP 75HP 12 x 10 x 15 N P S H R @ 1150R P M REV.DATE OCT 10/07 REV.
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Performance CurvesCHOPX Chopper Pumps DRN.DATE OCT 30/02 DRN. KW
CURVE 005-10713HAYWARD GORDON LTD. MODEL CHOPX-10B SIZE REVISION 4SPEED VARIABLEMAX
SPHERE N/A IMPELLERDIAMETER FULL
Capacity (m3/hr)0 200 400 600 800 1000 1200
Hea
d (m
)
0
5
10
15
20
25
30
Capacity (usgpm)0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
100
NPS
HR
(m)
6.107.328.539.7510.97
NPS
HR
(ft)
2024283236
1150 RPM
1050
950 RPM
850
750
650 60HP
50HP
40HP30HP
20HP
50%55%60%
65%70%
75%
75%70%
65%
MIN
25HP
75HP
12 x 10 x 15
NPSHR @ 1150RPM
REV.DATE OCT 10/07 REV.
roseitta
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Performance CurvesChopX Chopper Pumps DRN. DATE January 9,04
July 2,09DRN. LF
CURVE 005-10730HAYWARD GORDON LTD. MODEL CHOPX12B SIZE 14 x 12 x 17 REVISION 1SPEED VARIABLEMAX
SPHERE N/A IMPELLERDIAMETER FULL
Capacity (usgpm)0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
Capacity (m3/hr)0 200 400 600 800 1000 1200 1400 1600 1800
Hea
d (m
)
0
2
4
6
8
10
12
14
16
18
20
22
24
26
NP
SHR
(m)
1.53.14.66.17.69.110.712.2
NPS
HR
(ft)
510152025303540
(3-Blade Impeller)
74%
72%70%
65%60%
55%
70%
950 RPM
900
800
700
600
500
100HP
75HP
40HP
NPSHR @ 950RPM
50%
25HP
60HP
72%
MIN.FLOW
15HP
45%
REV. DATE REV. CC
roseitta
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Performance CurvesChopX Chopper Pumps DRN. DATE January 9,04
July 2,09DRN. LF
CURVE 005-10730HAYWARD GORDON LTD. MODEL CHOPX12B SIZE 14 x 12 x 17 REVISION 2SPEED VARIABLEMAX
SPHERE N/A IMPELLERDIAMETER FULL
Capacity (m3/hr)0 200 400 600 800 1000 1200 1400 1600 1800 2000
Hea
d (m
)
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
Capacity (usgpm)500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
100
110
NPS
HR
(m)
1.53.14.66.17.69.110.712.213.7
NPS
HR
(ft)
15202530354045
(3-Blade Impeller)
74%
72%70%
65%60%
55%
70%950
900
800
700
600
500
100HP
75HP
40HP
NPSHR @ 950 RPM50%
25HP
60HP
72%
MIN.FLOW
15HP
45%
REV. DATE REV. CC
1000
1050
1100 RPMNPSHR @ 1100 RPM
125HP
150HP
67%
roseitta
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Performance CurvesChopX Chopper Pumps DRN. DATE January 9,04
July 2,09DRN. LF
CURVE 005-10730HAYWARD GORDON LTD. MODEL CHOPX12B SIZE 14 x 12 x 17 REVISION 2SPEED VARIABLEMAX
SPHERE N/A IMPELLERDIAMETER FULL
Capacity (m3/hr)0 200 400 600 800 1000 1200 1400 1600 1800 2000
Hea
d (m
)
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
Capacity (usgpm)500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
100
110
NPS
HR
(m)
1.53.14.66.17.69.110.712.213.7
NPS
HR
(ft)
15202530354045
(3-Blade Impeller)
74%
72%70%
65%60%
55%
70%950
900
800
700
600
500
100HP
75HP
40HP
NPSHR @ 950 RPM50%
25HP
60HP
72%
MIN.FLOW
15HP
45%
REV. DATE REV. CC
1000
1050
1100 RPMNPSHR @ 1100 RPM
125HP
150HP
67%
roseitta
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roseitta
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Performance CurvesChopX Chopper Pumps DRN.DATE December 29,2000 DRN. KW
CURVE 005-10710HAYWARD GORDON LTD. MODEL CHOPX3B SIZE 6 x 3 x 7 REVISION 3SPEED VARIABLEMAX
SPHERE N/A IMPELLERDIAMETER FULL
Capacity (usgpm)0 50 100 150 200 250 300 350 400 450 500 550 600 650
Hea
d (fe
et)
0
5
10
15
20
25
30
35
40
45
50
55
60
Capacity (m3/hr)0 25 50 75 100 125
Hea
d (m
)
0
5
10
15
NPS
HR
(m)
3.04.66.17.69.110.712.213.715.2
NPS
HR
(ft)
101520253035404550
(3-Blade Impeller)
55%
50%
45%
55%50%
45%
60%
1750 RPM
1650
1550
1450
1350
1250
1150
1050
950
850 5HP
3HP
2HP
1.5HP
MINIMUM 3HP MOTORIS RECOMMENDED
NPSHR @ 1750RPM
REV.DATE December 28,2005 REV. LF
roseitta
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Performance CurvesCHOPX Chopper Pumps DATE JUNE 01, 99 DRN. JF
CURVE 005-10680HAYWARD GORDON LTD. MODEL CHOPX-4A SIZE 6 x 4 x 9 REVISION 0SPEED VARIABLEMAX
SPHERE N/A IMPELLERDIAMETER 9.25"
Capacity (usgpm)0 100 200 300 400 500 600 700 800 900 1000 1100 1200
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
100
Capacity (m3/hr)0 50 100 150 200 250
Hea
d (m
)
0
5
10
15
20
25
30
NPS
HR
(m)
0
2
4
6
NPS
HR
(ft)
0510152025
3
5
NPSHR @1750rpm
65
55
60
6563
66
63
60
55
20 HP
15
10
7.5
850
1150
1350
1550
1750 RPM
1650
1450
1250
1050
950
(2-Blade Impeller)
40%
5045
NPSHR @1150rpm
roseitta
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Performance CurvesChopX Chopper Pumps DATE JUNE 12, 2003 DRN. LF
CURVE 005-10724HAYWARD GORDON LTD. MODEL CHOPX4-B SIZE 6 x 4 x 9 REVISION 0SPEED VARIABLEMAX
SPHERE N/A IMPELLERDIAMETER 9.25"
Capacity (m3/hr)0 25 50 75 100 125 150 175 200 225 250 275
Hea
d (m
)
0
5
10
15
20
25
30
35
Capacity (usgpm)0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
100
110
120
NPS
HR
(m)
0
2
4
6
NPS
HR
(ft)
0510152025
(3-Blade Impeller)
850
950
1050
1150
1250
1350
1450
1550
1650
1750 RPM
40% 45 50 5560
65
70
65
60
55
35
7.510
15
2025HP
NPSHR@1750RPM
NPSHR@1150RPM
roseitta
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Performance CurvesCHOPX Chopper Pumps DWN.DATE January 25,2001 DRN. KW
CURVE 005-10707HAYWARD GORDON LTD. MODEL CHOPX5B SIZE 8 x 5 x 11 REVISION 4SPEED VARIABLEMAX
SPHERE N/A IMPELLERDIAMETER 11.13"
Capacity (usgpm)0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
Capacity (m3/hr)0 50 100 150 200 250 300 350 400 450
Hea
d (m
)
0
5
10
15
20
25
30
35
40
NPS
HR
(m)
024681012
NPS
HR
(ft)
0510152025303540
850
1150
1350
1550
1750 RPM
1650
1450
1250
1050
950
(3-Blade Impeller)
750
40%
5060
65
70
72
70
7.510
1520
2530
5
40 HP
REV. LFREV.DATE July 27,2006
NPSHR @ 1750RPM
NPSHR @ 1150RPM
65
3
roseitta
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Performance CurvesCHOPX Chopper Pumps DRN.DATE SEPT 26, 00 DRN. KW
CURVE 005-10708HAYWARD GORDON LTD. MODEL CHOPX-5B SIZE 8 x 5 x 11 REVISION 4SPEED 1750 RPMMAX
SPHERE N/A IMPELLERDIAMETER Variable
Capacity (usgpm)0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
100
110
120
130
Capacity (m3/hr)0 50 100 150 200 250 300 350 400 450
Hea
d (m
)
0
5
10
15
20
25
30
35
0.001.523.054.576.107.629.1410.67
NPS
HR
(ft)
05101520253035
NPSHR @ Full Diameter
(3-Blade Impeller)
72%
70%
70%
67%
67%
64%58%
40%32%
40hp
30hp25hp
11.13"
10.5"
9.13"
10.0"
NPS
HR
(m)
REV. CPREV.DATE JUNE 10,2015
9.625"
48%
64%
8.75"
20hp
roseitta
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Performance CurvesChopX Chopper Pumps DRN.DATE AUG 10,01 DRN. KW
CURVE 005-10695HAYWARD GORDON LTD. MODEL CHOPX8-B SIZE 10 x 8 x 15 REVISION 4SPEED VARIABLEMAX
SPHERE N/A IMPELLERDIAMETER FULL
Capacity (usgpm)0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
100
110
120
Capacity (m3/hr)0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
Hea
d (m
)
0
5
10
15
20
25
30
35
NPS
HR
(m)
0.001.523.054.576.107.629.1410.6712.1913.7215.24
NPS
HR
(ft)
05101520253035404550
(3-Blade Impeller)
50%55%
60%
60%
55%
65%
65%
1150 RPM
1050 RPM
950 RPM
850 RPM
750 RPM
60 HP50 HP
40 HP
25 HP30 HP
20 HP
70%
NPSH @ FULL DIAMETER
REV. LFREV.DATE JAN 09,04
73%
70%
75 HP
MIN.FLOW
650 RPM
15 HP
10 HP
roseitta
Text Box
Performance CurvesChopX Chopper Pumps DRN.DATE AUG 10,01 DRN. KW
CURVE 005-10695HAYWARD GORDON LTD. MODEL CHOPX8-B SIZE 10 x 8 x 15 REVISION 4SPEED VARIABLEMAX
SPHERE N/A IMPELLERDIAMETER FULL
Capacity (usgpm)0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
100
110
120
Capacity (m3/hr)0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
Hea
d (m
)
0
5
10
15
20
25
30
35
NPS
HR
(m)
0.001.523.054.576.107.629.1410.6712.1913.7215.24
NPS
HR
(ft)
05101520253035404550
(3-Blade Impeller)
50%55%
60%
60%
55%
65%
65%
1150 RPM
1050 RPM
950 RPM
850 RPM
750 RPM
60 HP50 HP
40 HP
25 HP30 HP
20 HP
70%
NPSH @ FULL DIAMETER
REV. LFREV.DATE JAN 09,04
73%
70%
75 HP
MIN.FLOW
roseitta
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roseitta
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Performance CurvesChopX Chopper Pumps DRN.DATE DEC 01/04 DRN. CC
CURVE 005-10732HAYWARD GORDON LTD. MODEL CHOPX8-RB SIZE 10 x 8 x 15 REVISION 0SPEED VARIABLEMAX
SPHERE 2 1/2" IMPELLERDIAMETER FULL
Capacity (usgpm)0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
Hea
d (fe
et)
0
10
20
30
40
50
60
70
80
90
100
Capacity (m3/hr)0 100 200 300 400 500 600 700 800 900 1000 1100
Hea
d (m
)
0
5
10
15
20
25
30
NPS
HR
(m)
0.02.44.97.39.812.2
NPS
HR
(ft)
0816243240
(3-Blade Impeller)
50%55%
60%
60%
55%
65%
65%
1150 RPM
1050 RPM
950 RPM
850 RPM
750 RPM55 HP
50 HP40 HP
25 HP
30 HP20 HP
70%
NPSH @ FULL DIAMETER
REV.REV.DATE
72%
70%
15 HP
MIN.FLOW
45%35%
roseitta
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