231 Cat Pump 2.3 GPM 1500 PSI Direct Drive, 316 Stainless steel

231 Cat Pump 2.3 GPM 1500 PSI Direct Drive, 316 Stainless steel

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CAT Pumps 231 3-Frame Stainless Steel Plunger Pump

The CAT Pumps 231 is an industrial-duty triplex positive displacement reciprocating plunger pump engineered for continuous performance in harsh fluid handling applications. Built on a compact and durable 3-frame crankcase, this model features a 316 Stainless Steel manifold and 316 Stainless Steel valve assemblies. This premium metallurgy provides exceptional structural strength and superior corrosion resistance, making it an ideal choice for demanding applications such as reverse osmosis (RO), desalination, chemical injection, and industrial fogging systems where standard brass components would prematurely degrade.

Designed to maximize uptime and minimize maintenance costs, the 231 is equipped with precision-polished solid ceramic plungers and standard NBR (Buna-N) seals, offering a true wear surface that significantly extends seal life under rigorous conditions. Its versatile design allows for multiple drive options, including a compact direct-drive with a bell housing and flexible coupling, or a standard belt-drive configuration. Highly efficient and reliable, this continuous-duty pump delivers a consistent 2.3 GPM at pressures up to 1500 PSI (running at 1725 RPM), ensuring a smooth, low-pulsation flow for aggressive liquids and high-salinity water.