The range of the working flow of Cat Piston pumps is from 3.0 to 60 GPM (11.3 to 227 LPM), and the range of working pressure is from 100 to 1,500 PSI (6.9 to 103 BAR). Piston pumps have excellent suction capabilities and typically don't require pressurized feed or boosting pumps. They are made up of brass and 316 stainless steel pump heads and 304 stainless steel check valve components. Suitable for recycled water and corrosive supply conditions.
Solid Shaft
Brass
| Model Number | Maximum Flow | Maximum Pressure | RPM | |||
|---|---|---|---|---|---|---|
| gpm | lpm | psi | bar | |||
| 280 | 3.00 | 11.40 | 1000 | 69 | 1330 | |
| 290 | 3.50 | 13.20 | 1200 | 83 | 1200 | |
| 333 | 4.00 | 15.10 | 1200 | 83 | 1070 | |
| 335 | 4.00 | 15.10 | 1200 | 83 | 1070 | |
| 430 | 5.00 | 18.90 | 1000 | 69 | 1040 | |
| 435 | 5.00 | 18.90 | 1000 | 69 | 1040 | |
| 323 | 5.00 | 18.90 | 1500 | 103 | 1000 | |
| 623 | 6.00 | 22.70 | 1200 | 83 | 850 | |
| 820 | 10.00 | 37.90 | 1000 | 69 | 940 | |
| 390 | 12.00 | 45.40 | 600 | 41 | 1200 | |
| 1010 | 13.00 | 49.20 | 700 | 48 | 900 | |
| 2520 | 25.00 | 94.60 | 800 | 55 | 772 | |
| 2525 | 25.00 | 94.60 | 800 | 55 | 772 | |
| 6040 | 40.00 | 151.40 | 1500 | 103 | 500 | |
| 6020 | 60.00 | 227.10 | 1000 | 69 | 500 | |
Solid Shaft
304 Stainless Steel
| Model Number | Maximum Flow | Maximum Pressure | RPM | |||
|---|---|---|---|---|---|---|
| gpm | lpm | psi | bar | |||
| 281 | 3.00 | 11.40 | 1000 | 69 | 1330 | |
| 291 | 3.50 | 13.20 | 1200 | 83 | 1200 | |
| 331 | 4.00 | 15.10 | 1200 | 83 | 1070 | |
| 431 | 5.00 | 18.90 | 1000 | 69 | 1040 | |
| 621 | 6.00 | 22.70 | 1200 | 83 | 850 | |
| 821 | 10.00 | 37.90 | 1000 | 69 | 940 | |
| 1011 | 13.00 | 49.20 | 700 | 48 | 900 | |
| 6041 | 40.00 | 151.40 | 1500 | 103 | 500 | |
| 6021 | 60.00 | 227.10 | 1000 | 69 | 500 | |