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The CAT Pumps 3CP1221 is an industrial-duty, positive displacement triplex plunger pump belonging to the highly reliable 3CP-Frame series. Engineered for continuous-duty performance in demanding environments, this reciprocating plunger pump features a wet end constructed entirely from 316 Stainless Steel. This premium metallurgy ensures exceptional structural integrity, chemical compatibility, and resistance to corrosion, making it an ideal choice for high-pressure industrial applications including reverse osmosis, DI water transfer, and specialized industrial cleaning operations.

Designed for maximum operational versatility, the 3CP1221 utilizes a triplex reciprocating design that delivers consistent, low-pulsation fluid transfer. It operates at a maximum flow rate of 4.2 GPM with a maximum pressure capacity of 2000 PSI at 1725 RPM. The pump is equipped with advanced, concentric solid ceramic plungers that provide a true, low-friction wear surface, significantly extending the life of the standard NBR (Buna-N) internal seals. Its compact footprint and 1725 RPM operating speed allow for multiple drive configurations, including direct drive with a bell housing and flexible coupling, or clutch and belt drive systems, providing reliable, continuous power for mission-critical liquid handling.