Cat Pumps
2511 Cat Pump 20 GPM 1500 PSI Belt Drive, 316 Stainless steel
2511 Cat Pump 20 GPM 1500 PSI Belt Drive, 316 Stainless steel
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2511 Cat Pump 20 GPM 1500 PSI Belt Drive, 316 Stainless steel
Cat Pumps 2511 25-Frame Triplex Plunger Pump
The Cat Pumps 2511 is a heavy-duty, 25-frame triplex positive displacement plunger pump engineered for high-volume, continuous-duty fluid transfer in harsh industrial environments. Constructed with a premium, precision-machined 316 stainless steel manifold and 316 stainless steel valve assemblies, this pump provides exceptional structural integrity and superior corrosion resistance. This specialized metallurgy makes it an ideal, high-efficiency solution for demanding applications such as reverse osmosis (RO), desalination, chemical injection, and wastewater processing where standard brass components would prematurely degrade. Its internal wet-end features highly polished, solid ceramic plungers that offer a true concentric wear surface to minimize friction and heat, significantly extending seal life during rigorous operation.
Designed to maximize uptime and efficiency, the 2511 model delivers a steady, high-capacity flow rate of 20.0 gallons per minute (GPM) while operating at a maximum pressure of 1,500 PSI. Driven at an optimal speed of 1450 RPM, it features a durable die-cast aluminum crankcase with a splash oil-bath design to ensure maximum load capacity and extended bearing life. The pump comes standard with pre-set, low-pressure NBR (Buna-N) seals and O-rings, allowing it to safely handle liquid temperatures up to 160°F (71°C) while providing secondary protection against external leaks. Its versatile footprint permits multiple drive configurations—including precision flow-setting via belt drive or a compact direct-drive footprint utilizing a bell housing and flexible coupling—providing a highly reliable fluid handling solution for aggressive liquids and critical commercial processes.
| Specification | Details |
|---|---|
| Model Number | 2511 |
| Manufacturer | Cat Pumps |
| Pump Type | Triplex Plunger Pump (Positive Displacement) |
| Frame Size | 25-Frame |
| Manifold Material | 316 Stainless Steel |
| Valve Assembly Material | 316 Stainless Steel |
| Seal Material | NBR (Buna-N) |
| Max Flow Rate | 20.0 GPM (76.0 LPM) |
| Max Operating Pressure | 1500 PSI (103 bar) |
| Test PSI (Applied Pressure) | 1500 PSI (103 bar) |
| Max Pump Speed | 1450 RPM |
| Max Liquid Temp | 160°F (71°C) |
| Inlet Port Size | (2) 1-1/4" NPT(F) |
| Discharge Port Size | (2) 3/4" NPT(F) |
| Bore | 0.984" (25 mm) |
| Stroke | 1.516" (38.5 mm) |
| Crankcase Capacity | 84 oz (2.5 L) |
| Weight | 75 lbs (34 kg) |
| Pump model | Flow | Pressure | Manifold material | RPM | HP | kW | ||
| GPM | LPM | PSI | BAR | |||||
| 2511 | 20 | 75.7 | 1500 | 103 | SS | 1450 | 21 | 15 |
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