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Cat Pumps 231 Plunger Pump - 316 Stainless Steel - 2.3 GPM - 1500 PSI
Cat Pump's 231 plunger pump has been used for decades on marine reverse osmosis systems. Up to 3.6 GPM, up to 1500 PSI, max RPM 1725, pedestal mount. 1/2" x 3/8" port size NPT. 316 Stainless Steel. More information and specs below.
Reference: 231
$2,819.99
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Cat Pumps 231 Plunger Pump - 316 Stainless Steel - 2.3 GPM - 1500 PSI
Triplex design delivers high efficiency and a smooth, low-pulsation flow. 316 Stainless Steel for added compatibility in intermittent duty sea water. Installation flexibility with compact direct-drive or belt-drive. Standard NBR seals with alternative options for temperature and chemical compatibility
Cat Pumps 231 Pump Specifications
Triplex design delivers high efficiency and a smooth, low-pulsation flow. 316 Stainless Steel for added compatibility in intermittent duty sea water. Installation flexibility with compact direct-drive or belt-drive. Standard NBR seals with alternative options for temperature and chemical compatibility
- FPM – .0110
- EPDM – .0220
- IPFE– .0770
- High Temp, 190°F – .3000
- High Temp, 200°F – .3400 (Intermittent Run-Dry)
Cat Pumps 231 Pump Specifications
| U.S. Measure | Metric Measure | |
| Flow | 2.3 gpm | 8.7 lpm |
| Pressure Range | 100 to 1500 psi | 6.9 to 103 bar |
| Pump RPM* | 1725 rpm | 1725 rpm |
| Stroke | 0.287" | 7.3 mm |
| Bore | 0.709" | 18 mm |
| Inlet Pressure Range | Flooded to 60 psi | Flooded to 4.1 bar |
| Maximum Liquid Temperature | 160° F | 71° C |
| Crankcase Capacity | 15 oz. | .45 L |
| Inlet Ports (2) | 1/2" NPT(F) | 1/2" NPT(F) |
| Discharge Ports (2) | 3/8" NPT(F) | 3/8" NPT(F) |
| Shaft Diameter | 0.650" | 16.5 mm |
| Pulley Mounting | Either Side | Either Side |
| Weight | 13.4 lbs. | 6.1 kg |
| Dimensions | 10.28 x 8.78 x 5.35" | 261 x 223 x 136 mm |
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