291 CAT Pump 3.5 GPM 1200 PSI 3-Frame Standard Solid Shaft S R

291 CAT Pump 3.5 GPM 1200 PSI 3-Frame Standard Solid Shaft S R

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CAT Pumps 291 3-Frame Stainless Steel Piston Pump

The CAT Pumps 291 is an industrial-duty triplex positive displacement reciprocating piston pump specifically engineered for high-performance cleaning and fluid transfer. As part of the 3-frame series, this model is constructed with a high-strength 316 Stainless Steel manifold and 304 Stainless Steel valve assemblies, providing superior corrosion resistance for demanding environments. Its unique Triplex UNIFLOW design ensures a smooth, low-pulsation flow by moving liquid in a continuous forward direction, which significantly enhances suction capabilities and reduces the risk of cavitation.

Designed for long-term reliability in continuous-duty applications, the 291 is built with solid ceramic plungers and precision-polished stainless steel cylinders that maximize seal life. The belt drive configuration allows the pump to operate at a lower 1200 RPM, resulting in quieter operation and extended longevity for internal components. This model is a staple in professional-grade pressure washing, reverse osmosis, and chemical injection systems where a consistent 3.5 GPM flow at 1200 PSI is required.