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150 • 160 • 170 • 250 • 260 • 270 Series Regenerative Turbine Pumps

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Cold Water Pump Selection Chart:

(Click on the model to see the individual curve.)

Head
in
Feet

U.S. GALLONS PER MINUTE

20 30 40 50 60 70 80 90 100 110 120 130 140
Model
HP
Model
HP
Model
HP
Model
HP
Model
HP
Model
HP
Model
HP
Model
HP
Model
HP
Model
HP
Model
HP
Model
HP
Model
HP
50 * 151I
2
161D
2
161E
3
151L
3
161G
3
161G
3
171H
5
171H
5
171J
5
171J
5
171K
5
171K
5
100 * 151I
2
151K
3
151L
5
161G
5
161G
5
171H
5
171H
5
171J
7.5
171K
7.5
171K
7.5
172K
10
173K
15
150 * 161D
3
151L
5
151L
5
161G
7.5
171H
7.5
171J
7.5
171K
10
171K
10
172J
10
172K
15
173K
15
174K
15
200 151I
2
161D
5
151L
7.5
161G
7.5
171H
10
171J
10
171K
10
172H
10
172J
15
172K
15
173K
15
173K
15
---
250 151I
5
151K
5
151L
7.5
161G
10
162G
10
172H
15
172H
15
172J
15
172K
15
172K
15
173K
20
173K
20
---
300 151I
5
162D
7.5
152L
10
152L
10
162G
15
172H
15
172J
15
172K
20
172K
20
173K
20
174K
20
--- ---
350 152I
7.5
162D
7.5
152L
10
162G
15
172H
15
172J
20
172K
20
173J
20
173K
20
174K
25
--- --- ---
400 152I
7.5
162D
7.5
152L
15
162G
15
163G
15
172J
20
172K
20
173J
20
173K
25
174K
25
--- --- ---
450 152I
7.5
152K
10
152L
15
162G
15
163G
15
173H
20
173J
25
173K
25
174K
30
--- --- --- ---
500 152I
7.5
163D
10
153L
15
163G
20
164G
20
173J
25
174J
25
174K
30
174K
30
--- --- --- ---
600 153I
10
163D
15
153L
20
163G
20
164G
25
173K
30
174J
30
174K
40
--- --- --- --- ---
700 153I
10
153K
15
154L
20
164G
25
174H
30
174J
40
174K
40
--- --- --- --- --- ---
800 163D
15
154K
15
154L
20
164G
30
174J
40
--- --- --- --- --- --- --- ---
900 163D
15
154L
25
164G
30
--- --- --- --- --- --- --- --- --- ---
1000 163D
20
154L
25
164G
30
--- --- --- --- --- --- --- --- --- ---

All Selections are for Cold Water and Utilize a 1.15 Motor Service Factor Horsepower.
*Refer to 140 • 240 • 180 • 280 Series Pumps.

Click here to see 50 Hz (1450 RPM) Cold Water Selection Chart.


Boiler Feed Selection Guide

Boiler HP Evap Rate GPM Pump
GPM
BOILER PRESSURE IN PSI
15
50 100 125 150 200 250
Model HP Model HP Model HP Model HP Model HP Model HP Model HP
15 1 3.1 141D 0.3 141D 0.75 142E 1 142E 1.5 142F 1.5 143E 2 144E 3
20 1.4 4.1 141D 0.3 141D 0.75 142E 1 142E 1.5 142F 1.5 143E 2 144E 3
25 1.7 4.4 141D 0.3 141D 0.75 142E 1 142E 1.5 143E 1.5 143E 2 144E 3
30 2.1 5 141D 0.3 141D 0.75 142E 1 142E 1.5 143E 1.5 143E 2 144E 3
40 2.8 5.6 141D 0.3 141E 0.75 142F 1.5 142G 2 143E 1.5 144F 3 144I 7.5
50 3.5 7 141D 0.3 141F 0.75 142F 1.5 143F 2 143F 2 144I 5 144I 7.5
60 4.2 8.3 141E 0.3 141F 0.75 142G 2 143G 2 143G 5 144I 5 144I 7.5
70 4.8 9.6 141F 0.5 141I 1.5 142I 3 143I 3 143I 5 144I 5 144I 7.5
80 5.5 11 141F 0.5 141I 1.5 142I 3 143I 3 143I 5 144I 5 144I 7.5
100 6.9 14 141G 0.5 141I 1.5 142IA 3 143I 3 143IA 5 144I 5 152I 10
125 8.6 17.5 141I 0.75 141IA 1.5 142IA 3 143I 3 143IA 5 144IA 7.5 152I 10
150 10.7 21 141I 0.75 141IA 1.5 151I 5 143IA 5 144IA 5 152I 7.5 153I 10
200 13.8 28 141IA 1 182K 2 151K 5 152I 5 162D 7.5 162D 10 163D 15
250 17.3 33 181M 1.5 151K 3 152K 5 152K 7.5 162D 7.5 162G 10 153L 15
300 20.7 38 181M 1.5 151K 3 152K 5 152K 7.5 152L 10 162G 15 153L 15
350 24.2 43 181P 1.5 151L 5 152L 7.5 152L 10 152L 10 162G 15 153L 15
400 27.6 48 181R 2 151L 5 152L 7.5 152L 10 162G 15 162G 15 163G 20
500 34.5 57 151L 3 161G 5 162G 10 162G 10 163G 15 164G 20 173H 25
600 41.5 71 161G 3 161G 5 172H 15 172H 15 172J 20 173H 20 173K 30
700 43.5 77 161G 3 171K 7.5 172K 15 172K 15 173K 20 174H 20 174J 30

NOTES
Selections are for water at 200°F (Maximum) with above 3 feet NPSHA (Net Positive Suction Head Available) over NPSHR (Net Positive Suction Head Required).
All pumps are selected for intermittent (on-off) operation and with ODP (Open Drip Proof) motors operating at 1750RPM.
This selection is for reference only. Refer to the technical data of the specific model number to ascertain the suitability of the model in your application, or call the factory.
140 Model pump information is available in our Bulletin 140.

Go to Low NPSH 250 • 260 • 270 Series Pump Selection Table

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For a copy of the 150 • 250 • 160 • 260 • 170 • 270 Manual and 150 • 250 • 160 • 260 • 170 • 270 Parts List, go to the Product Support Page.

Download a printable version of the 150 • 250 • 160 • 260 • 170 • 270 Product Bulletin in .pdf format.

Download a printable version of the150 • 250 • 160 • 260 • 170 • 270 Catalog Pages (curves and dimensions) in .pdf format.