Continuous-duty Series 5CP accommodates quality sea-water reverse osmosis systems. Corrosion-resistant Type 316 SSL stainless steel split manifold facilitates servicing. Components include solid ceramic plungers, high-pressure seals, and chrome-moly forged crankshaft. Model 5CP6221 runs at 1,400 rpm, and delivers 6 gpm at up to 2,000 psi. Higher powered units are available.