C.C.JENSEN designs and manufactures CJC® Offline Oil Filtration Systems that remove particles, water, acidity, and oil degradation products from oils and fluids. Our solutions extend the lifetime of oils and critical components while reducing costly downtime—making preventive oil maintenance a cornerstone for reliable hydropower operations. At the heart of our technology are the CJC® Filter Inserts, made from 100% natural cellulose fibers sourced sustainably—no plastic, no metal, no chemicals. This eco-friendly design not only keeps oils clean and dry but also reduces environmental impact by preventing thousands of liters of waste oil. C.C.JENSEN is a Danish family-owned company, founded in 1953 with more than 70 years of expertise in oil filtration, combining proven engineering with U.S.-based support to deliver trusted reliability for the hydropower industry.
