Figure 3: Standard Pumps and Trim Based on Chiller Capacities
(Flow based on 2.4 gpm per ton)
American Standards
Capacity | Trim | Process | Recirculating | |
Nominal | Nominal flow | size | pump | pump |
refrigeration tons | gallons | inches | hp | hp |
25 | 60 | 2½” | 5 | 3 |
35 | 84 | 2½” | 7½ | 3 |
50 | 120 | 3” | 7½ | 5 |
60 | 144 | 3” | 10 | 5 |
75 | 180 | 4” | 10 | 5 |
90 | 216 | 4” | 15 | 7½ |
100 | 240 | 4” | 15 | 7½ |
125 | 300 | 4” | 20 | 7½ |
155 | 372 | 6” | 20 | 10 |
185 | 444 | 6” | 25 | 10 |
220 | 528 | 6” | 30 | 15 |
250 | 600 | 6” | 30 | 15 |
310 | 744 | 6” | 40 | 20 |
375 | 900 | 6” | 50 | 20 |
Pump horsepower | 1½ | 3 | 5 | 7½ | 10 | 15 | 20 | 25 | 30 | 40 | 50 | 60 |
Amp draw 460/3/60 | 2.6 | 4.8 | 7.6 | 11 | 14 | 21 | 27 | 34 | 40 | 52 | 65 | 77 |
Shipping weight (lbs.) • P1 | — | 95 | 115 | 125 | 165 | 180 | 300 | 310 | 400 | 465 | 710 | 730 |
• P2 | 60 | 90 | 115 | 275 | 320 | 425 | 510 | 630 | 670 | — | — | — |
Trim size (inches) | 2 | 2½ | 3 | 4 | 6 | 8 |
Maximum flow (gpm) | 50 | 90 | 160 | 320 | 900 | 2,000 |
Shipping weight (lbs.) | 25 | 35 | 50 | 75 | 120 | 165 |
Metric Standards
Capacity |
| Trim | Process | Recirculating | |||||
Nominal refrigeration, |
| Nominal flow | size |
| pump | pump |
| ||
chilled water, Kcal/hr |
| liters | mm dia. | hp |
| kW | hp |
| kW |
75,600 |
| 227 | 64 mm | 5 |
| 3.73 | 3 |
| 2.24 |
105,840 |
| 318 | 64 mm | 7½ |
| 5.59 | 3 |
| 2.24 |
151,200 |
| 454 | 76 mm | 7½ |
| 5.59 | 5 |
| 3.73 |
181,440 |
| 545 | 76 mm | 10 |
| 7.50 | 5 |
| 3.73 |
226,800 |
| 681 | 102 mm | 10 |
| 7.50 | 5 |
| 3.73 |
272,160 |
| 818 | 102 mm | 15 |
| 11.19 | 7½ |
| 5.59 |
302,400 |
| 908 | 102 mm | 15 |
| 11.19 | 7½ |
| 5.59 |
378,000 |
| 1,136 | 102 mm | 20 |
| 14.91 | 7½ |
| 5.59 |
468,720 |
| 1,408 | 152 mm | 20 |
| 14.91 | 10 |
| 7.50 |
559,440 |
| 1,680 | 152 mm | 25 |
| 18.64 | 10 |
| 7.50 |
665,280 |
| 1,998 | 152 mm | 30 |
| 22.37 | 15 |
| 11.19 |
756,000 |
| 2,271 | 152 mm | 30 |
| 22.37 | 15 |
| 11.19 |
937,440 |
| 2,816 | 152 mm | 40 |
| 29.93 | 20 |
| 14.91 |
1,134,000 |
| 3,407 | 152 mm | 50 |
| 37.29 | 20 |
| 14.91 |
Pump horsepower/kW | 1½/1.1 | 3/2.24 | 5/3.73 | 7½/5.5 | 10/7.5 | 15/11.1 | 20/14.9 | 25/18.6 | 30/22.3 | 40/29.9 | 50/37.2 | 60/44.7 |
| 2 |
|
| 9 |
| 9 | 1 | 4 | 7 | 3 | 9 | 4 |
Amp draw 460/3/60 | 2.6 | 4.8 | 7.6 | 11 | 14 | 21 | 27 | 34 | 40 | 52 | 65 | 77 |
Ship weight (Kg) • P1 | — | 44 | 53 | 57 | 75 | 82 | 137 | 141 | 182 | 211 | 323 | 332 |
• P2 | 28 | 41 | 53 | 125 | 146 | 193 | 232 | 286 | 304 | — | — | — |
Trim size (mm) | 51 mm | 64 mm | 76 mm | 102 mm | 152 mm | 203 mm |
Maximum flow (lpm) | 189 | 340 | 624 | 1,211 | 3,406 | 7,570 |
Shipping weight (Kg) | 12 | 16 | 23 | 35 | 55 | 75 |
Pump Tanks | Chapter 6: Appendix | 24 of 36 |
