curvas caracteristicas de las bombas durco mark iii
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© TriCom, Inc., 2005, All Rights Reserved.
Durco Mark 2 & 3Self-Priming Pumps
60&50 CyclePerformanceCurvesFor Group II & III Pumps
Bulletin P-12-102g
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 1
© TriCom, Inc., 2005, All Rights Reserved.
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 2
© TriCom, Inc., 2005, All Rights Reserved.
3
0 80 160 240 320 400 480
20 40 60 80 100
0
0
0
0
0
0
640
560
480
400
320
240
160
80
0
FLOW - 3500 rpm (60Hz) m3/h
FLOW - 3500 rpm (60Hz) US gpm
TDH
350
0 rp
m (6
0Hz)
m
TDH
350
0 rp
m (6
0Hz)
ft
Mark II & Mark IIICOMPOSITE PERFORMANCEREVERSE VANE IMPELLER3500 (rpm)CURVE NO. ____________MARCH 2000
1
2
3
1
2
3
1J1-1/2X1US-6
1K1-1/2X1-1/2US-82
2K2X1-1/2US-10A
2K3X2US-104
4
2540A
PUMP SPEED CURVE # PAGEComposite 3500 2540A 3
Curves 1750 2541A 41150 2542A 4
1J1-1/2X1US-6 3500 MII 7060V 51750 MII 7062V 6
1K1-1/2X1-1/2US-82 3500 MIII 7260 71750 MIII 7262 8
2K2X1-1/2US-10A 3500 MIII 8060V 91750 MIII 8062V 101150 MIII 8064V 11
2K3X2US-10 3500 MIII 7860V 121750 MIII 7862V 131150 MIII 7864V 14
2K3X2US-13 1750 MIII 7460V 151150 MIII 7462V 16
2K4X3US-10H 1750 MIII 7660V 171150 MIII 7662V 18
2K4X3US-13 1750 MIII 7560V 191150 MIII 7562V 20
2K6X4US-13A 1750 MIII 8160V 211150 MIII 8162V 22
PUMP SPEED CURVE # PAGEComposite 2900 2538A 23
Curves 1450 2539A 231J1-1/2X1US-6 2900 MII 7061V 24
1K1-1/2-1/2US-82 2900 MIII 7261 251450 MIII 7263 26
2K2X1-1/2US-10A 2900 MIII 8061V 271450 MIII 8063V 28
2K3X2US-10 2900 MIII 7861V 291450 MIII 7863V 30
2K3X2US-13 1450 MIII 7461V 312K4X3US-10H 1450 MIII 7661V 322K4X3US-13 1450 MIII 7561V 33
2K6X4US-13A 1450 MIII 8161V 34
Index-60 Cycle Reverse Vane Curves Index-50 Cycle Reverse Vane Curves
See page 35 for Index-60 & 50 Cycle Open Vane Curves.
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 3
© TriCom, Inc., 2005, All Rights Reserved.
4
0 200 400 800 1200 1600 2000
20 40 60 80 100 140 180 220 260 300 340 380 420
90
80
70
60
50
40
30
20
10
0
320
280
240
200
160
120
80
40
0
FLOW - 1750 rpm (60Hz) m3/h
FLOW - 1750 rpm (60Hz) US gpm
TDH
175
0 rp
m (6
0Hz)
m
TDH
175
0 rp
m (6
0Hz)
ft
Mark II & Mark IIICOMPOSITE PERFORMANCEREVERSE VANE IMPELLER1750 (rpm)CURVE NO. ____________MARCH 2000
1
3
4
5
6
7
6 7
1
2
3
4
5
SCAL
ECH
ANGE
2
8
8
1J1-1/2X1US-6
1K1-1/2X1-1/2US-82
2K2X1-1/2US-10A
2K3X2US-10
2K4X3US-10H
2K3X2US-13
2K4X3US-13
2K6X4US-13A
2541A
0 200 400 600 800 1000 1200
20 40 60 80 100 120 140 160 180 200 220 240 260
20
15
10
5
0
80
70
60
50
40
30
20
10
0
FLOW - 1150 rpm (60Hz) m3/h
FLOW - 1150 rpm (60Hz) US gpm
TDH
115
0 rp
m (6
0Hz)
m
TDH
115
0 rp
m (6
0Hz)
ft
Mark IIICOMPOSITE PERFORMANCEREVERSE VANE IMPELLER1150 (rpm)CURVE NO. ____________MARCH 2000
1
2
3
4
5
6
1
2
3
4
5 6
2542A
2K2X1-1/2US-10A
2K3X2US-10
2K3X2US-13
2K4X3US-10H
2K4X3US-13
2K6X4US-13A
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 4
© TriCom, Inc., 2005, All Rights Reserved.
5
0 20 40 60 80 100
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1J1-1/2X1US-63500 (rpm)7060V
2.77 in2
3/8 inREVERSE VANESTD-N/A
DURCO MARK II
SPEED
CURVE NO.
5 10 15 20 25
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)3
2
1
0
(m)10
5
00 40 80 120
0 10 20
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
5in6in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 1.5inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
40
30
20
10
4
3
2
1
140
100
60
20 8
6
4
2
0
4in
4 in Ø
4-1/2 in Ø
6 in Ø
5-1/2 in Ø
5 in Ø
40
1014
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-22
US (gpm)
(m3/h)
20 3045
48
48
3 4 6
EFF %
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 5
© TriCom, Inc., 2005, All Rights Reserved.
6
0 12 24 36 48 60
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1J1-1/2X1US-61750 (rpm)7062V
2.77 in2
3/8 inREVERSE VANESTD-N/A
DURCO Mark II
SPEED
CURVE NO.
5 10 15
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft).6
.4
.2
0
(m)2
1
00 20 40 60
0 5 10
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
6in
0 120 240 360PRIMING TIME SECONDS
VOLUME OF 1.5inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
12
8
4
.6
.4
.2
40
30
20
10
0
10
.8
.6
.4
.2
0
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-22
US (gpm)
(m3/h)
40
20
TDH
EFF %
EFF %
0
(hp)
(ft)
4
2
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 6
© TriCom, Inc., 2005, All Rights Reserved.
0 50 100 150 200 250
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1K1-1/2X1-1/2US-823500 (rpm)7260
2.62 in2
5/16 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
10 20 30 40 50 60
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft) 30
20
10
0
(m)
80
40
00 100 200 300
0 20 40
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
8 3/16in
5in
6in
0 20 40 60 80PRIMING TIME SECONDS
VOLUME OF 1.5inSUCT. PIPE EQUALSSTATIC LIFT + 3ft
80
70
60
50
40
30
20
10
15
10
5
300
250
200
150
100
50
0
30
20
10
0
7in
8-3/16 in Ø
8 in Ø
7-1/2 in Ø
7 in Ø
6-1/2 in Ø
6 in Ø
5-1/2 in Ø
5 in Ø
40
46
1216
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft) P(kW)
(m3/h)
US (gpm)
Y-M-D91-01-22
US (gpm)
(m3/h)
30
404
6 8
EFF %
7
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 7
© TriCom, Inc., 2005, All Rights Reserved.
0 25 50 75 100 125
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1K1-1/2X1-1/2US-821750 (rpm)7262
3.1 in2
11/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
5 10 15 20 25 30
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft) 6
4
2
0
(m)
16
8
00 50 100 150
0 10 20 30
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
8 3/16in
6in
0 30 60 90PRIMING TIME SECONDS
VOLUME OF 1.5inSUCT. PIPE EQUALSSTATIC LIFT + 3ft
25
20
15
10
5
2
1
100
75
50
25
0
3
2
1
0
7in
8-3/16 in Ø
7-1/2 in Ø
7 in Ø
6-1/2 in Ø
6 in Ø
4042
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D91-01-23
US (gpm)
(m3/h)
30
4042
12
46
8
EFF %
8
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 8
© TriCom, Inc., 2005, All Rights Reserved.
9
0 50 100 150 200 250
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K2X1-1/2US-10A3500 (rpm)8060V
3.51 in2
13/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
10 20 30 40 50
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
10
5
0
(m)40
20
00 100 200 300
0 20 40 60
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
8in 5in6in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 2inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
120
100
80
60
40
20
30
24
18
12
6
450
350
250
150
50
0
45
30
15
0
10in&9in 7in
10 in Ø
9-1/2 in Ø
9 in Ø
8-1/2 in Ø
8 in Ø
7-1/2 in Ø
7 in Ø
6-1/2 in Ø
6 in Ø
5-1/2 in Ø
5 in Ø
35
40
42
10
14
18
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-22
US (gpm)
(m3/h)
2030
22
2 4 6
EFF %
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 9
© TriCom, Inc., 2005, All Rights Reserved.
0 20 40 60 80 100
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K2X1-1/2US-10A1750 (rpm)8062V
3.51 in2
13/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
5 10 15 20 25
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)3
2
1
0
(m)10
5
00 50 100 150
0 10 20 30
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
8in10in 9in
0 100 200 300PRIMING TIME SECONDS
VOLUME OF 2inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
30
20
10
4
3
2
1
110
90
70
50
30 6
4.5
3
1.5
0
7in
10 in Ø
9-1/2 in Ø
9 in Ø
8-1/2 in Ø
8 in Ø
7-1/2 in Ø
7 in Ø
35
40
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)P
(kW)
(m3/h)
US (gpm)
Y-M-D82-01-25
US (gpm)
(m3/h)
20
30
38
34
6
5
EFF %
10
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 10
© TriCom, Inc., 2005, All Rights Reserved.
0 20 40 60 80 100
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K2X1-1/2US-10A1150 (rpm)8064V
3.51 in2
13/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
4 8 12 16 20
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
1
0
(m)
4
3
20 40 80 120
0 10 20
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
9in
10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 2inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
14
12
10
8
6
1.2
.9
.6
.3
50
40
30
20
1.5
1.0
.5
0
10 in Ø
9-1/2 in Ø
9 in Ø35
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-25
US (gpm)
(m3/h)
2030
381
1.52
2.5
EFF %
11
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 11
© TriCom, Inc., 2005, All Rights Reserved.
12
0 100 200 300 400 500
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
3K3X2US-103500 (rpm)7860V
3.51 in2
13/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
20 40 60 80 100
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
10
5
0
(m)40
20
00 200 400 600
0 50 100
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
8in10in 9in
0 30 60 90PRIMING TIME SECONDS
VOLUME OF 3inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
120
100
80
60
40
20
40
30
20
10
400
300
200
100
60
40
20
0
7in
10 in Ø
9-1/2 in Ø
9 in Ø
8-1/2 in Ø
8 in Ø
7-1/2 in Ø
7 in Ø
40
10
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-25
US (gpm)
(m3/h)
3050
55
2220
55
4 6 8
EFF %
1216
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 12
© TriCom, Inc., 2005, All Rights Reserved.
13
9
0 80 160 240 320 400
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K3X2US-101750 (rpm)7862V
7.51 in2
19/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
20 40 60 80 100
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
2
1
0
(m)8
4
00 100 200 300
0 20 40 60
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
8in9in10in
0 100 200 300PRIMING TIME SECONDS
VOLUME OF 3inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
24
16
8
6
4
2
100
80
60
40
20
8
4
0
7in
10 in Ø
9-1/2 in Ø
9 in Ø
8-1/2 in Ø
8 in Ø
7-1/2 in Ø
7 in Ø
40
10
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-26
US (gpm)
(m3/h)
30
50
50
12
34
6
EFF %
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 13
© TriCom, Inc., 2005, All Rights Reserved.
14
0 50 100 150 200 250
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K3X2US-101150 (rpm)7864V
7.51 in2
19/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
10 20 30 40 50
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
1
0
(m)4
2
00 100 200 300
0 20 40 60
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
9in
10in
0 50 100 150PRIMING TIME SECONDS
VOLUME OF 3inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
12
10
8
6
2
1
40
35
30
25
20
15
3
2
1
0
10 in Ø
9-1/2 in Ø
9 in Ø
40
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-26
US (gpm)
(m3/h)
30
50
53
40
50
54
1
2
3
46
.5
EFF %53
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 14
© TriCom, Inc., 2005, All Rights Reserved.
15
0 100 200 300 400 500
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K3X2US-131750 (rpm)7460V
7.51 in2
13/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
20 40 60 80 100 120
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)3
2
1
(m)12
7
20 200 400 600
0 50 100
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
12in 9in10in
0 40 80 120PRIMING TIME SECONDS
VOLUME OF 3inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
50
40
30
20
10
20
16
12
8
4
180
140
100
60
20
28
24
32
24
16
8
0
13in11in
10 in Ø
9-1/2 in Ø
9 in Ø
13 in Ø
12 -1/2 in Ø
12 in Ø
11 - 1/2 in Ø
11 in Ø
40
10 14
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-26
US (gpm)
(m3/h)
20 30
4548
49
40
45
48
1
18
12
2 22
26
46
8
EFF %
10-1/2 in Ø
50
52
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 15
© TriCom, Inc., 2005, All Rights Reserved.
0 80 160 240 320 400
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K3X2US-131150 (rpm)7462V
7.51 in2
13/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
20 40 60 80 100
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
1
0
(m)4
2
00 100 200 300
0 50 100 150
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
13in
10in
11in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 3inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
20
15
10
5
5
4
3
2
1
70
50
30
10 8
6
4
2
0
12in
10 in Ø
10-1/2 in Ø
13 in Ø
12-1/2 in Ø
11 in Ø
11-1/2 in Ø
12 in Ø
10 14
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-27
US (gpm)
(m3/h)
1.52
34
5
12
8
EFF %
3040
45
49
50
45
40
16
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 16
© TriCom, Inc., 2005, All Rights Reserved.
17
1
0 200 400 600 800 1000
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-10H1750 (rpm)7660V
13.2 in2
25/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
50 100 150 200 250
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
2
1
0
(m)8
4
00 200 400 600
0 50 100
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
8in
9in10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 4inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
30
20
10
12
8
4
100
80
60
40
20 20
15
10
5
0
7in
10 in Ø
9-1/2 in Ø
9 in Ø
8-1/2 in Ø
8 in Ø
7-1/2 in Ø
7 in Ø
60
64
64
10
14
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P (kW)
(m3/h)
US (gpm)
Y-M-D82-01-27
US (gpm)
(m3/h)
30 50
60
2 3 4 6
12
16
8
EFF %
16
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 17
© TriCom, Inc., 2005, All Rights Reserved.
0 100 200 300 400 500
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-10H1150 (rpm)7662V
13.2 in2
25/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
20 40 60 80 100 120
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
1
0
(m)4
2
00 200 400 600
0 50 100
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
9in
10in
0 50 100 150PRIMING TIME SECONDS
VOLUME OF 4 inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
15
10
5
4
3
2
1
50
40
30
20
10
0 6
4
2
0
10 in Ø
9-1/2 in Ø
9 in Ø
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-27
US (gpm)
(m3/h)
30 50
60
6064
64
1 23
4
65
EFF %
18
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 18
© TriCom, Inc., 2005, All Rights Reserved.
0 200 400 600 800 1000
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-131750 (rpm)7560V
13.25 in2
11/16 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
50 100 150 200 250
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)3
2
1
0
(m)10
5
00 400 800 1200
0 100 200
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
12in
9in
10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 4inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
50
40
30
20
10
28
24
20
16
12
8
4
180
140
100
60
0 40
30
20
10
0
13in 11in
10 in Ø
9-1/2 in Ø
9 in Ø
13 in Ø
12-1/2 in Ø
12 in Ø
11-1/2 in Ø
11 in Ø
10-1/2 in Ø
20
40
12
24
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-28
US (gpm)
(m3/h)
60
3050
16
55
60
50
55
24
68
EFF %
19
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 19
© TriCom, Inc., 2005, All Rights Reserved.
0 100 200 300 400 500
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-131150 (rpm)7562V
13.25 in2
11/16 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
20 40 60 80 100 120
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
1
.5
0
(m)4
2
00 200 400 600
0 50 100
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
12in
13in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 4inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
24
20
16
12
8
6
4
2
80
70
60
50
40
30
12
8
4
0
13 in Ø
12-1/2 in Ø
12 in Ø
40
11
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-28
US (gpm)
(m3/h)
60
3050
55
60
55
12
3
4
6
5
7
9
EFF %
20
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 20
© TriCom, Inc., 2005, All Rights Reserved.
21
0 400 800 1200 1600 0
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K6X4US-13A1750 (rpm)8160V
29 in2
1-1/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
100 200 300 400 500
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
2
0
(m)10
0
0 500 1000 1500
0 100 200 300
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
12in
9in
10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 6inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
50
40
30
20
10
50
40
30
20
10
180
140
100
60
20 80
60
40
20
0
13in 11in
10 in Ø
9-1/2 in Ø
9 in Ø
13 in Ø
12-1/2 in Ø
12 in Ø
11-1/2 in Ø
11 in Ø
10-1/2 in Ø
69
12
10
14
18
65
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-28
US (gpm)
(m3/h)
60
68
50
16
1
46
8
EFF %
-2
-10
1 VIBRATION AND NOISE EXCEEDS SPECIFIED LIMITS.
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 21
© TriCom, Inc., 2005, All Rights Reserved.
22
0 200 400 600 800 1000
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K6X4US-13A1150 (rpm)8162V
29 in2
1-1/32 inREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
50 100 150 200 250
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
1
0
(m)4
0
-40 400 800 120
0 100 200
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
12in
13in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 6inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
20
15
10
16
12
8
4
80
70
60
50
40
20
10
0
13 in Ø
12-1/2 in Ø
12 in Ø 69
65
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-29
US (gpm)
(m3/h)
60
68
50
23
4
6
5
EFF %
-1
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 22
© TriCom, Inc., 2005, All Rights Reserved.
0 20 40 60 80 100 120
100 200 300 400 500
500
450
400
350
300
250
200
150
100
50
0
160
140
120
100
80
60
40
20
0
FLOW - 2900 rpm (50Hz) m3/h
FLOW - 2900 rpm (50Hz) US gpm
TDH
290
0 rp
m (5
0Hz)
m
TDH
290
0 rp
m (5
0Hz)
ft
Mark II & Mark IIICOMPOSITE PERFORMANCEREVERSE VANE IMPELLER2900 (rpm)CURVE NO. ____________MARCH 2000
1
2
3
1
3
2
4
4
1J1-1/2X1US-6
1K1-1/2X1-1/2US-82
2K2X1-1/2US-10A
2K3X2US-10
2538A
0 35 70 105 140 200 250 300
100 200 300 400 500 600 800 1200
120
100
80
60
40
20
0
40
35
30
25
20
15
10
5
0
FLOW - 1450 rpm (50Hz) m3/h
FLOW - 1450 rpm (50Hz) US gpm
TDH
145
0 rp
m (5
0Hz)
m
TDH
145
0 rp
m (5
0Hz)
ft
Mark II & Mark IIICOMPOSITE PERFORMANCEREVERSE VANE IMPELLER1450 (rpm)CURVE NO. ____________MARCH 2000
1
2
3
4
5
6
SC
AL
EC
HA
NG
E
1
2 3
4
5
6 7
7
1K1-1/2X1-1/2US-82
2K2X1-1/2US-10A
2K3X2US-10
2K3X2US-13
2K4X3US-10H
2K4X3US-13
2K6X4US-13A
2539A
23
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 23
© TriCom, Inc., 2005, All Rights Reserved.
24
1
0 5 10 15 20 25
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1J1-1/2X1US-62900 (rpm)7061V
17.87 cm2
9.5 mmREVERSE VANESTD-N/A
DURCO Mark II
SPEED
CURVE NO.
20 40 60 80 100 120
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)8
4
0
(m)3
2
1
00 10 20 30
0 40 80 120
STUFF BOX HEADABOVE T.S.H. (ft)
(m)6
4
2
0
15
10
5
0
6in 5in
0 50 100 150PRIMING TIME SECONDS
VOLUME OF 40 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
100
80
60
40
4
3
2
1
30
25
20
15
10 4
3
2
1
0
NPSH (m)
6 in Ø
5-1/2 in Ø
5 in Ø
40
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-29
US (gpm)
(m3/h)
20 30
4548
48
1
1.5
.5
2
2.5
3
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 24
© TriCom, Inc., 2005, All Rights Reserved.
0 10 20 30 40 50
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1K1-1/2X1-1/2US-822900 (rpm)7261
20.8 cm2
8/7 mmREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
50 100 150 200 250
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)60
45
30
15
0
(m)15
10
5
00 20 40 60
0 50 100
STUFF BOX HEADABOVE T.S.H.
(ft)(m)6
4
2
0
20
15
10
5
0
8 3/16in 6in
0 20 40 60 80PRIMING TIME SECONDS
VOLUME OF 40 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
200
150
100
50
15
10
5
80
60
40
20
0
10
5
0
7in
NPSH (m)
8-3/16 in Ø
7-1/2 in Ø
7 in Ø
6-1/2 in Ø
6 in Ø
4046
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D91-01-22
US (gpm)
(m3/h)
30
46
12
34
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
25
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 25
© TriCom, Inc., 2005, All Rights Reserved.
0 5 10 15 20 25
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1K1-1/2X1-1/2US-821450 (rpm)7263
20.8 cm2
8/7 mmREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
20 40 60 80 100
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)15
10
5
0
(m)4
2
00 10 20 30
0 50 100
STUFF BOX HEADABOVE T.S.H.
(ft)(m)6
4
2
0
20
15
10
5
0
8 3/16in
0 30 60 90PRIMING TIME SECONDS
VOLUME OF 40 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
60
50
40
30
20
10
4
3
2
1
20
15
10
5
0
3
2
1
0
NPSH (m)
8-3/16 in Ø
8 in Ø 40
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D91-01-23
US (gpm)
(m3/h)
30
4549
4045
491
1.5
.5
2
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
26
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 26
© TriCom, Inc., 2005, All Rights Reserved.
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
0 10 20 30 40 50
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K2X1-1/2US-10A2900 (rpm)8061V
22.65 cm2
9.5 mmREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
50 100 150 200 250
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)15
10
5
0
(m)6
4
2
00 20 40 60
0 100 200
STUFF BOX HEADABOVE T.S.H. (ft)
(m)6
4
2
0
15
10
5
0
8-10in
0 50 100 150 200PRIMING TIME SECONDS
VOLUME OF 50 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
300
200
100
24
16
8
100
80
60
40
20 20
15
10
5
0
7in
NPSH (m)
10 in Ø
9-1/2 in Ø
9 in Ø
8-1/2 in Ø
8 in Ø
7-1/2 in Ø
7 in Ø
35
40
42
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
P(kW)
(m3/h)
(gpm)
Y-M-D82-01-29
US (gpm)
(m3/h)
2030
11.5 2
4
EFF %
3
27
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 27
© TriCom, Inc., 2005, All Rights Reserved.
28
1
0 4 8 12 16 20
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K2X1-1/2US-10A1450 (rpm)8063V
22.65 cm2
10.32 mmREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
20 40 60 80 100
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)8
4
0
(m)3
2
1
00 5 10 15 20
0 20 40 60 80
STUFF BOX HEADABOVE T.S.H. (ft)
(m)6
4
2
0
15
10
5
0
8in
10in
0 50 100 150PRIMING TIME SECONDS
VOLUME OF 50 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
80
60
40
20
4
3
2
1
24
20
16
12
8
43
2
1
0
9in
NPSH (m)
10 in Ø
9-1/2 in Ø
9 in Ø
8-1/2 in Ø
8 in Ø
35
40ST
ATIC
SUC
TION
-LIF
T
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-02
US (gpm)
(m3/h)
20
30
38
1
.75.5
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 28
© TriCom, Inc., 2005, All Rights Reserved.
0 20 40 60 80 100
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K3X2US-102900 (rpm)7861V
48.46 cm2
12.7 mmREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
100 200 300 400 500
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)15
10
5
0
(m)6
4
2
00 40 80 120
0 200 400
STUFF BOX HEADABOVE T.S.H.
(ft)
(m)6
4
2
0
15
10
5
0
8in10in
0 30 60 90PRIMING TIME SECONDS
VOLUME OF 80 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
250
200
150
100
30
20
10
80
60
40
20
30
20
10
0
9in7in
NPSH (m)
10 in Ø
9-1/2 in Ø
9 in Ø
8-1/2 in Ø
8 in Ø
7-1/2 in Ø
7 in Ø
40
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-02
US (gpm)
(m3/h)
3050
55
50
55
1 23
4
6
5
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
.5
29
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 29
© TriCom, Inc., 2005, All Rights Reserved.
0 20 40 60 80 100
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K3X2US-101450 (rpm)7863V
48.46 cm2
12.7 mmREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
50 100 150 200 250 300 350 400 450 500
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
60
40
20
5
4
3
2
1
20
16
12
8
4 4
3
2
1
0
NPSH (m)
10 in Ø
9-1/2 in Ø
9 in Ø
8-1/2 in Ø
8 in Ø
40
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-03
30
5052
45
40
5052
45
1
1.5
2
3
.3.5
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)4
2
0
(m)2
1
00 20 40 60 80
100 200 300
STUFF BOX HEADABOVE T.S.H. (ft)
(m)6
4
2
0
15
10
5
0
8in
0 50 100 150 200PRIMING TIME SECONDS
VOLUME OF 80 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
9in10in
STAT
IC S
UCTI
ON-L
IFT
US (gpm)
(m3/h)
30
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 30
© TriCom, Inc., 2005, All Rights Reserved.
0 20 40 60 80 100
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K3X2US-131450 (rpm)7461V
48.46 cm2
10.3mmREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
100 200 300 400 500
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
120
80
40
0
15
12
8
4
40
30
20
10
0
12
8
4
0
NPSH (m)
10 in Ø
13 in Ø
12-1/2 in Ø
12 in Ø
11-1/2 in Ø
11 in Ø
10-1/2 in Ø
40
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-03
50
45
49
40
45
1.5
23 4
65
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)6
4
2
0
(m)2
1
00 20 40 60 80
100 200 300 0
STUFF BOX HEADABOVE T.S.H. (ft)
(m)6
4
2
0
15
10
5
0
10in
0 30 60 90 120PRIMING TIME SECONDS
VOLUME OF 80 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
13in
STAT
IC S
UCTI
ON-L
IFT
US (gpm)
(m3/h)
12in 11in
31
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 31
© TriCom, Inc., 2005, All Rights Reserved.
32
1
0 40 80 120 160 200
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-10H1450 (rpm)7661V
85.18 cm2
19.8 mmREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
100 200 300 400 500 600 700 800 900
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
60
40
20
9
6
3
20
16
12
8
4
8
4
0
NPSH (m)
10 in Ø
9-1/2 in Ø
9 in Ø
8-1/2 in Ø
8 in Ø
64
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-09
60
30 50
64
60
11.5
.5
22.5
3
3.5
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)4
2
0
(m)1.5
1.0
.5
00 40 80 120 160
200 400 600
STUFF BOX HEADABOVE T.S.H. (ft)
(m)6
4
2
0
15
10
5
0
8in
0 50 100 150 200PRIMING TIME SECONDS
VOLUME OF 100 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
9in
10in
STAT
IC S
UCTI
ON-L
IFT
US (gpm)
(m3/h)
24
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 32
© TriCom, Inc., 2005, All Rights Reserved.
33
0 40 80 120 160 200
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-131450 (rpm)7561V
85.48 cm2
17.5 mmREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
200 400 600 800 1000
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
120
100
80
60
40
20
24
16
8
40
30
20
10
0 20
15
10
5
0
NPSH (m)
13 in Ø
12-1/2 in Ø
12 in Ø
11-1/2 in Ø
11 in Ø
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-09
60
3050 55
60
55
1.5
23 4
5
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)8
4
0
(m)3
2
1
00 50 100 150 200
200 400 600 800
STUFF BOX HEADABOVE T.S.H. (ft)
(m)6
4
2
0
15
10
5
0
12in
0 60 120 180 240PRIMING TIME SECONDS
VOLUME OF 100 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
13in
11in
STAT
IC S
UCTI
ON-L
IFT
US (gpm)
(m3/h)
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 33
© TriCom, Inc., 2005, All Rights Reserved.
0 50 100 150 200 250
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K6X4US-13A1450 (rpm)8161V
187.1 cm2
26.2 mmREVERSE VANESTD-N/A
DURCO Mark III
SPEED
CURVE NO.
200 400 600 800 1000 1200
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
120
80
40
30
20
10
40
30
20
10
0
30
20
10
0
NPSH (m)
13 in Ø
12-1/2 in Ø
12 in Ø
11-1/2 in Ø
11 in Ø
69
65
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D82-01-10
6068
50
1 1.5 22.5
3
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)4
2
0
(m)3
2
1
00 80 160 240 320
400 800 120
STUFF BOX HEADABOVE T.S.H. (ft)
(m)6
4
2
0
15
10
5
0
12in
0 60 120 180 240PRIMING TIME SECONDS
VOLUME OF 150 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
13in
11in
STAT
IC S
UCTI
ON-L
IFT
US (gpm)
(m3/h)
1 VIBRATION AND NOISE EXCEEDS SPECIFIED LIMITS.
1
34
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 34
© TriCom, Inc., 2005, All Rights Reserved.
0 50 100 150 200 250 300
10 20 30 40 50 60
120
100
80
60
40
20
0
800
700
600
500
400
300
200
100
0
FLOW - 3500 rpm (60Hz) m3/h
FLOW - 3500 rpm (60Hz) US gpm
TDH
350
0 rp
m (6
0Hz)
m
TDH
350
0 rp
m (6
0Hz)
ft
Mark IIICOMPOSITE PERFORMANCEOPEN VANE IMPELLER3500 (rpm)CURVE NO. ________APRIL 2000
1 2
1
2
1K1-1/2X1-1/2US-82
2KX1-1/2US-10A
4507
35
PUMP SPEED CURVE # PAGEComposite 3500 4507 35
Curves 1750 4505 361150 4504 36
1K1-1/2X1-1/2US-82 3500 MIII 7270 371750 MIII 7272 38
2K2X1-1/2US-10A 3500 MIII 8065V 391750 MIII 8067V 401150 MIII 8069V 41
2K3X2US-13 1750 MIII 7463V 421150 MIII 7465V 43
2K4X3US-10H 1750 MIII 7663V 441150 MIII 7665V 45
2K4X3US-13 1750 MIII 7563V 461150 MIII 7565V 47
2K6X4US-13A 1750 MIII 8163V 481150 MIII 8165V 49
PUMP SPEED CURVE # PAGEComposite 2900 4506 50
Curves 1450 4508 501K1-1/2-1/2US-82 2900 MIII 7271 51
1450 MIII 7273 522K2X1-1/2US-10A 2900 MIII 8066V 53
1450 MIII 8068V 542K3X2US-13 1450 MIII 7464V 55
2K4X3US-10H 1450 MIII 7664V 562K4X3US-13 1450 MIII 7564V 57
2K6X4US-13A 1450 MIII 8164V 58
Index-60 Cycle Open Vane Curves Index-50 Cycle Open Vane Curves
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 35
© TriCom, Inc., 2005, All Rights Reserved.
36
0 400 800 1200 1600 2000 2400
50 100 150 200 250 300 350 400 450 500
90
80
70
60
50
40
30
20
10
0
320
280
240
200
160
120
80
40
0
FLOW - 1750 rpm (60Hz) m3/h
FLOW - 1750 rpm (60Hz) US gpm
TDH
175
0 rp
m (6
0Hz)
m
TDH
175
0 rp
m (6
0Hz)
ft
Mark IIICOMPOSITE PERFORMANCEOPEN VANE IMPELLER1750 (rpm)CURVE NO. ____________APRIL 2000
1
2
3
4
5
6
61
2
3
4
5
4505
1K1-1/2X1-1/2US-82
2K2X1-1/2US-10A
2K3X2US-13
2K4X3US-10H
2K4X3US-13
2K6X4US-13A
0 200 400 600 800 1000 1200
20 40 60 80 100 120
20
15
10
5
0
80
70
60
50
40
30
20
10
0
FLOW - 1150 rpm (60Hz) m3/h
FLOW - 1150 rpm (60Hz) US gpm
TDH
115
0 rp
m (6
0Hz)
m
TDH
115
0 rp
m (6
0Hz)
ft
Mark IIICOMPOSITE PERFORMANCEOPEN VANE IMPELLER1150 (rpm)CURVE NO. ____________APRIL 2000
1
2
3
4
5
1
2
3 4 5
4504
2K2X1-1/2US-10A
2K3X2US-13
2K4X3US-10H
2K4X3US-13
2K6X4US-13A
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 36
© TriCom, Inc., 2005, All Rights Reserved.
37
2
0 50 100 150 200 250
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1K1-1/2X1-1/2US-823500 (rpm)7270
3.7 in2
15/32 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
10 20 30 40 50 60
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft) 20
10
(m)
60
40
200 100 200 300
0 20 40
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
8 3/16in
5in
6in
0 20 40 60 80PRIMING TIME SECONDS
VOLUME OF 1.5inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
80
70
60
50
40
30
20
10
15
10
5
300
250
200
150
100
50
0
30
20
10
0
7in
8-3/16 in Ø
8 in Ø
7-1/2 in Ø
7 in Ø
6-1/2 in Ø
6 in Ø
5-1/2 in Ø
5 in Ø
35
1215
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft) P(kW)
(m3/h)
US (gpm)
Y-M-D91-01-20
US (gpm)
(m3/h)
30
38
36 8
EFF %
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 37
© TriCom, Inc., 2005, All Rights Reserved.
0 25 50 75 100 125
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1K1-1/2X1-1/2US-821750 (rpm)7272
3.7 in2
15/32 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
5 10 15 20 25 30
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft) 6
4
2
0
(m)
16
8
00 50 100 150
0 10 20 30
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
4
2
0
8 3/16in
6in
0 30 60 90PRIMING TIME SECONDS
VOLUME OF 1.5inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
250
20
15
10
5
2
1
100
75
50
25
0
3
2
1
0
7in
8-3/16 in Ø
7-1/2 in Ø
7 in Ø
6-1/2 in Ø
6 in Ø
35
10
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D91-01-20
US (gpm)
(m3/h)
2030
35
30
2 4 6 8
EFF %
38
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 38
© TriCom, Inc., 2005, All Rights Reserved.
0 50 100 150 200 250
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K2X1-1/2US-10A3500 (rpm)8065V
4.1 in2
5/16 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
15 30 45 60
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
8
6
4
2
0
(m)30
20
10
00 100 200 300
0 20 40 60
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
5
4
3
2
1
0
8,9&10in
5in
6in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 2inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
150
100
50
50
25
500
400
300
200
100
0 75
50
25
0
7in
10 in Ø
9 in Ø
8 in Ø
7 in Ø
6 in Ø
5 in Ø
1014
18
32
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-04-20
US (gpm)
(m3/h)
36
20
6
EFF %
39
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 39
© TriCom, Inc., 2005, All Rights Reserved.
40
0 40 80 120 160 200
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(ft)
2K2X1-1/2US-10A1750 (rpm)8067V
4.1 in2
5/16 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
10 20 30 40 50
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
30
20
10
8
4
100
80
60
40
20 12
8
4
0
P(kW)
TDH(m)
P(hp)
(m3/h)
US (gpm)
Y-M-D94-04-20
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
120
NPSH (ft)
10 in Ø
9 in Ø
8 in Ø
7 in Ø
20
30
34 6
5
EFF %
(ft)
2
1
0
(m)8
4
00 50 100 150
0 10 20 30
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
5
4
3
2
1
0
8in9in10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 2inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
7in
STAT
IC S
UCTI
ON-L
IFT
US (gpm)
(m3/h)
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 40
© TriCom, Inc., 2005, All Rights Reserved.
41
2
0 25 50 75 100 125
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K2X1-1/2US-10A1150 (rpm)8069V
4.1 in2
5/16 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
10 20 30
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
1.0
.5
0
(m)4
2
00 25 50 75
0 5 10 15
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
5
4
3
2
1
0
9in
10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 2inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
15
10
5
1
0.5
50
40
30
20
10
0 3
2
1
0
10 in Ø
9 in Ø
23
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-04-20
US (gpm)
(m3/h)
20
10
20
1
2
EFF %
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 41
© TriCom, Inc., 2005, All Rights Reserved.
0 100 200 300 400 500
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K3X2US-131750 (rpm)7463V
7.9 in2
13/32 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
40 80 120
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
60
40
20
20
10
160
120
80
40
0 30
20
10
0
P(kW)
TDH(ft)
P(hp)
(m3/h)
US (gpm)
Y-M-D94-08-21
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
200
(ft)3
2
1
0
(m)10
5
00 200 400 500
0 50 100
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
5
4
3
2
1
0
12in
9in10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 40 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
13in
11in
NPSH (ft)
10 in Ø
9 in Ø
11 in Ø
12 in Ø
13 in Ø
35
10
STAT
IC S
UCTI
ON-L
IFT
US (gpm)
(m3/h)
50
45
45
46
8
EFF %
42
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 42
© TriCom, Inc., 2005, All Rights Reserved.
0 50 100 150 200 250
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K3X2US-131150 (rpm)7465V
7.9 in2
13/32 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
15 30 45 60
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
1.0
.5
0
(m)4
2
00 100 200 300
0 20 40 60
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
5
4
3
2
1
0
12in
9in
10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 3inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
30
20
10
8
4
100
80
60
40
20
0 12
8
4
0
11in
10 in Ø
11 in Ø
12 in Ø
13 in Ø
35
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-08-21
US (gpm)
(m3/h)
45
47
2
4
EFF %
13in
43
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 43
© TriCom, Inc., 2005, All Rights Reserved.
44
0 200 400 600 800 1000
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-10H1750 (rpm)7663V
10.3 in2
11/16 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
50 100 150 200 250
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
4
2
0
(m)16
8
00 400 800 1200
0 50 100
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
5
4
3
2
1
0
9&8in
10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 4inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
30
20
10
20
10
100
80
60
40
20
0 30
20
10
0
7in
10 in Ø
9 in Ø
8 in Ø
7 in Ø
40
10
1412
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)P
(kW)
(m3/h)
US (gpm)
Y-M-D94-04-20
US (gpm)
(m3/h)
50 60
63
50
60
63
46 8
EFF %
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 44
© TriCom, Inc., 2005, All Rights Reserved.
45
2
0 100 200 300 400 500
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-10H1150 (rpm)7665V
10.3 in2
11/16 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
40 80 120
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
1.5
1.0
.5
0
(m)6
4
2
00 200 400 600
0 50 100
STUFF BOX HEADABOVE T.S.H.
(ft)
(m)15
10
5
0
4
3
2
1
0
9in
10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 4inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
15
10
5
4
2
50
40
30
20
10
0 6
4
2
0
10 in Ø
9 in Ø
40
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-04-20
US (gpm)
(m3/h)
50
56
59
50
56
6
5
7
8
EFF %
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 45
© TriCom, Inc., 2005, All Rights Reserved.
0 200 400 600 800 1000
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(ft)
2K4X3US-131750 (rpm)7563V
12.5 in2
11/16 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
50 100 150 200 250
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
60
40
20
40
20
160
120
80
40
0 60
40
20
0
P(kW)
TDH(m)
P(hp)
(m3/h)
US (gpm)
Y-M-D94-08-21
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
200
(ft)
15
10
5
0
(m)16
0
-160 400 800 1200
0 20 40 60
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
5
4
3
2
1
0
13in
9in
10&11in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 4inSUCT. PIPE EQUALSSTATIC LIFT + 3ft
12in
NPSH (ft)
10 in Ø
9 in Ø
11 in Ø
12 in Ø
13 in Ø40
1013
STAT
IC S
UCTI
ON-L
IFT
US (gpm)
(m3/h)
50
6550
60
4 68
EFF %
46
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 46
© TriCom, Inc., 2005, All Rights Reserved.
0 100 200 300 400 500
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-131150 (rpm)7565V
12.5 in2
11/16 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
30 60 90 120
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
15
10
5
0
(m)6
0
-60 300 600 900
0 20 40 60
STUFF BOX HEADABOVE T.S.H.
(ft) (m)20
15
10
5
0
6
5
4
3
2
1
0
12in
13in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 4inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
30
20
10
10
5
100
80
60
40
20
0 15
10
5
0
12 in Ø
13 in Ø40
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-08-22
US (gpm)
(m3/h)
60
50
60
50
46
8
EFF %
47
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 47
© TriCom, Inc., 2005, All Rights Reserved.
48
0 500 1000 1500 2000 2500
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K6X4US-13A1750 (rpm)8163V
29.1 in2
1 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
150 300 450 600
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
6
4
2
0
(m)20
10
00 1000 2000 3000
0 200 400 600
STUFF BOX HEADABOVE T.S.H.
(ft)
(m)20
15
10
5
0
6
5
4
3
2
1
0
13in
9in
10in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 6inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
60
40
20
50
25
200
150
100
50
0
-50 75
50
25
0
11in
10 in Ø
9 in Ø
13 in Ø
12 in Ø
11 in Ø
40 60
12
16
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-06-22
US (gpm)
(m3/h)
7070
6
8
EFF %
12in
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 48
© TriCom, Inc., 2005, All Rights Reserved.
49
0 250 500 750 1000 1250
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K6X4US-13A1150 (rpm)8165V
29.1 in2
1 inOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
100 200 300
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)3
2
1
0
(m)10
5
00 500 1000 1500
0 100 200 300
STUFF BOX HEADABOVE T.S.H.
(ft)
(m)15
10
5
0
4
3
2
1
0
13in
11in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 6inSUCT. PIPE EQUALSSTATIC LIFT X 3ft
30
20
10
20
10
100
80
60
40
20
0 30
20
10
0
12in
11 in Ø
12 in Ø
13 in Ø
70
40
10
67
TO CALCULATE EXACTEFFICIENCY USE THE FOLLOWING
% EFF= TDH X GPM X 100 HP X 3960
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
NPSH (ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-06-22
US (gpm)
(m3/h)
60
70
50
67
2.5 46
8
EFF %
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 49
© TriCom, Inc., 2005, All Rights Reserved.
50
0 5 10 15 20 25 30
50 100 150 200
300
250
200
150
100
50
0
80
70
60
50
40
30
20
10
0
FLOW - 2900 rpm (50Hz) m3/h
FLOW - 2900 rpm (50Hz) US gpm
TDH
290
0 rp
m (5
0Hz)
m
TDH
290
0 rp
m (5
0Hz)
ft
Mark II & Mark IIICOMPOSITE PERFORMANCEOPEN VANE IMPELLER2900 (rpm)CURVE NO. ____________APRIL 2000
1
2
1 2
4506
1K1-1/2X1-1/2US-82
2K2X1-1/2US-10A
0 60 120 180 240 300 240
200 400 600 800 1000 1200 1400
120
100
80
60
40
20
0
40
35
30
25
20
15
10
5
0
FLOW - 1450 rpm (50Hz) m3/h
FLOW - 1450 rpm (50Hz) US gpm
TDH
145
0 rp
m (5
0Hz)
m
TDH
145
0 rp
m (5
0Hz)
ft
Mark II & Mark IIICOMPOSITE PERFORMANCEOPEN VANE IMPELLER1450 (rpm)CURVE NO. ____________APRIL 2000
1
2
3
4
5
1
2
3
4
5
1K1-1/2X1-1/2US-82
2K2X1-1/2US-10A
2K3X2US-13
2K4X3US-10H
2K4X3US-13
2K6X4US-13A
4508
6
6
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 50
© TriCom, Inc., 2005, All Rights Reserved.
51
0 10 20 30 40 50
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1K1-1/2X1-1/2US-822900 (rpm)7271
23.8 cm2
11/9 mmOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
50 100 150 200 250
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)45
30
15
0
(m)10
5
00 20 40 60
0 50 100
STUFF BOX HEADABOVE T.S.H.
200
150
100
50
15
10
5
80
60
40
20
0
10
5
0
NPSH (m)
8-3/16 in Ø
7-1/2 in Ø
7 in Ø
6-1/2 in Ø
6 in Ø
35
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D91-01-16
US (gpm)
(m3/h)
30
38
38
12 3
4
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)(m)6
4
2
0
20
15
10
5
0
8 3/16in 6in
0 20 40 60 80PRIMING TIME SECONDS
VOLUME OF 40 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
7in
STAT
IC S
UCTI
ON-L
IFT
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 51
© TriCom, Inc., 2005, All Rights Reserved.
0 5 10 15 20 25
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
1K1-1/2X1-1/2US-821450 (rpm)7273
23.8 cm2
11/9 mmOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
20 40 60 80 100
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)15
10
5
0
(m)4
2
00 10 20 30
0 50 100
STUFF BOX HEADABOVE T.S.H.
60
50
40
30
20
10
4
3
2
1
20
15
10
5
0
3
2
1
0
NPSH (m)
8-3/16 in Ø
8 in Ø
37
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D91-01-16
US (gpm)
(m3/h)
2030
30
11.5
.5
22.5
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)(m)6
4
2
0
20
15
10
5
0
8in
0 30 60 90 120PRIMING TIME SECONDS
VOLUME OF 40 mmSUCT. PIPE EQUALSSTATIC LIFT + 1mm
8 3/16in
STAT
IC S
UCTI
ON-L
IFT
37
52
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 52
© TriCom, Inc., 2005, All Rights Reserved.
0 10 20 30 40 50
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K2X1-1/2US-10A2900 (rpm)8066V
26.5 cm2
7/9 mmOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
50 100 150 200 250
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
300
200
100
40
20
100
80
60
40
20
0 30
20
10
0
NPSH (m)
10 in Ø
9 in Ø
8 in Ø
7 in Ø33
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-04-16
20
32
12
34
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)(m)6
4
2
0
20
15
10
5
0
8in,9in &10in
0 30 60 90 120PRIMING TIME SECONDS
VOLUME OF 2inSUCT. PIPE EQUALSSTATIC LIFT + 3ft
7in
STAT
IC S
UCTI
ON-L
IFT
(ft)15
10
5
0
(m)6
4
2
00 20 40 60
0 100 200
STUFF BOX HEADABOVE T.S.H.
US (gpm)
(m3/h)
53
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 53
© TriCom, Inc., 2005, All Rights Reserved.
54
0 5 10 15 20 25
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K2X1-1/2US-10A1450 (rpm)8068V
26.5 cm2
7/9 mmOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
25 50 75 100 125
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
80
60
40
20
4
2
25
20
15
10
5
0
NPSH (m)
10 in Ø
9 in Ø
8 in Ø
27
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-04-16
20
1
.5
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)(m)6
4
2
0
20
15
10
5
0
8in
0 30 60 90 120 150PRIMING TIME SECONDS
VOLUME OF 2 inSUCT. PIPE EQUALSSTATIC LIFT + 3 ft
9in10in
STAT
IC S
UCTI
ON-L
IFT(ft)
8
4
0
(m)3
2
1
00 5 10 15 20
0 20 40 60 80
STUFF BOX HEADABOVE T.S.H.
US (gpm)
(m3/h)
3
2
1
0
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 54
© TriCom, Inc., 2005, All Rights Reserved.
55
0 20 40 60 80 100
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K3X2US-131450 (rpm)7464V
51 cm2
10.3 mmOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
100 200 300 400 500
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
125
100
75
50
25
16
8
32
24
16
8
0 12
8
4
0
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-08-16
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)4
2
0
(m)1.5
1.0
.5
00 40 80 120 160
200 400 600
STUFF BOX HEADABOVE T.S.H.
US (gpm)
(m3/h)
40
(ft)
(m)6
4
2
0
15
10
5
0
11&10in
13in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 3 inSUCT. PIPE EQUALSSTATIC LIFT + 3 ft
9in
12in
NPSH (m)
10 in Ø
9 in Ø
11 in Ø
12 in Ø
13 in Ø
35
STAT
IC S
UCTI
ON-L
IFT
50
45
45
1 2
EFF %
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 55
© TriCom, Inc., 2005, All Rights Reserved.
0 25 50 75 100 125
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-10H1450 (rpm)7664V
66.5 cm2
17/5 mmOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
125 250 375 500 625
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)
(m)6
4
2
0
15
10
0
0
8in
0 60 120 180PRIMING TIME SECONDS
VOLUM OF 4 inSUCT. PIPE EQUALSSTATIC LIFT + 3 ft
80
60
40
20
20
10
25
20
15
10
5
0 15
10
5
0
9in
10in
NPSH (m)
10 in Ø
9 in Ø
8 in Ø
40
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-04-16
50 57
61
61
57
5011.5
22.5
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)4
2
0
(m)1.5
1.0
.5
00 40 80 120 160
200 400 600
STUFF BOX HEADABOVE T.S.H.
US (gpm)
(m3/h)
56
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 56
© TriCom, Inc., 2005, All Rights Reserved.
57
0 40 80 120 160 200
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K4X3US-131450 (rpm)7564V
80.6 cm2
17.5 mmOPENSTD-N/A
DURCO Mark III
SPEED
CURVE NO.
200 400 600 800 1000
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
120
80
40
32
16
32
24
16
8
0 24
16
8
0
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-08-16
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
40
(ft)
(m)6
4
2
0
15
10
5
0
12in & 11in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 4inSUCT. PIPE EQUALSSTATIC LIFT + 3ft
13in
NPSH (m)
64
STAT
IC S
UCTI
ON-L
IFT
50
60
50
60
1
1.5
2
EFF %
13 in Ø
12 in Ø
11 in Ø
(ft)8
4
0
(m)3
2
1
00 50 100 150 200
200 400 600 800
STUFF BOX HEADABOVE T.S.H.
US (gpm)
(m3/h)
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 57
© TriCom, Inc., 2005, All Rights Reserved.
0 50 100 150 200 250
EYE AREA
MAX SPHERE
IMPELLERPUMP PERFORMANCECHARACTERISTICS
TDH(m)
2K6X4US-13A1450 (rpm)8164V
187.8 cm2
25.4 mmOPENSTD-A80
DURCO Mark III
SPEED
CURVE NO.
250 500 750 1000 1250
CONSULT YOUR FLOWSERVE REPRESENTATIVE FOR MINIMUM FLOW CONSIDERATION
(ft)(m)6
4
2
0
20
15
10
5
0
13in
10in
11in
0 60 120 180PRIMING TIME SECONDS
VOLUME OF 6inSUCT. PIPE EQUALSSTATIC LIFT + 3ft
160
120
80
40
40
20
50
40
30
20
10
0 30
20
10
0
12in
NPSH (m)
10 in Ø
11 in Ø
12 in Ø
13 in Ø 40 60
STAT
IC S
UCTI
ON-L
IFT
P(hp)
TDH(ft)
P(kW)
(m3/h)
US (gpm)
Y-M-D94-06-16
5070
70
1 1.5 2 2.5
3
EFF %
TO CALCULATE EXACTEFFICIENCY USE METRIC UNITS
WITH SPECIFIC GRAVITY=1.0IN THE FOLLOWING EQUATION
% EFF = TDH X CAPACITY
X 100kW X 369
(ft)4
2
0
(m)3
2
1
00 80 160 240 320
400 800 120
STUFF BOX HEADABOVE T.S.H.
US (gpm)
(m3/h)
58
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 58
© TriCom, Inc., 2005, All Rights Reserved.
(P-12-102) CurveBk_1Up 5/12/05 8:55 AM Page 59
© TriCom, Inc., 2005, All Rights Reserved.
To find your local Flowserve representative please use the Sales Support Locator System
found at www.flowserve.com
Or call toll free: 1 800 728 PUMP (7867)
Your local Flowserve representative:
USA and CanadaFlowserve CorporationPump Division5215 North O’Connor Blvd.Suite 2300Irving, Texas 75039-5421 USATelephone: 1 972 443 6500Telefax: 1 972 443 6800
Europe, Middle East, AfricaFlowserve CorporationPump DivisionVia Rossini 90/9220033 Desio (Milan), ItalyTelephone: 39 0362 6121Telefax: 39 0362 303396
Latin America and CaribbeanFlowserve CorporationPump Division6840 Wynnwood LaneHouston, Texas 77008 USATelephone: 1 713 803 4434Telefax: 1 713 803 4497
Asia Pacific Flowserve Pte. Ltd.Pump Division 200 Pandan Loop #06-03/04Pantech 21Singapore 128388Telephone: 65 6775 3003Telefax: 65 6779 4607
Flowserve... Supporting Our CustomersWith The World’s LeadingPump Brands
Jeumont-Schneider™Jeumont-Schneider™
Printed in U.S.A.April 2005
© Flowserve Corporation
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