Skip to main content

CJC Filter Insert

High-Capacity Depth Filtration for Reliable Oil Systems

The CJC filter insert is the core of C.C.JENSEN’s offline oil filtration technology. Designed for maximum dirt-holding capacity and absolute filtration efficiency, it removes fine particles, water, varnish and oxidation by-products, ensuring clean, dry oil and stable system performance across demanding industrial applications.

CJC® filter insert for high-capacity depth filtration, designed to remove fine particles, water, varnish, and oxidation by-products from industrial oil systems.

Why contamination control is critical

Oil contamination is one of the leading causes of premature wear, unstable operation and unplanned downtime. Fine particles, water and degradation products circulate continuously, accelerating component damage and reducing oil lifetime.

CJC filter inserts address these challenges directly by removing contaminants that conventional inline filters cannot handle—protecting both oil and system components.


Typical contamination challenges include:

  • Accelerated wear on pumps, valves and bearings
  • Increased oil oxidation and acid formation
  • Reduced system efficiency and higher maintenance effort
  • Shortened oil and component lifetime


CJC® depth filter insert for contamination control in oil systems, removing fine particles, water, and degradation products to protect pumps, valves, and bearings.
CJC® depth filter insert made from stacked cellulose discs, designed for high dirt-holding capacity and removal of particles, water, varnish, and acidity from industrial oil systems.

How the CJC Filter Inserts Works

CJC filter inserts are true depth filters, manufactured from specially processed cellulose discs. Oil passes through multiple filtration layers, capturing contaminants throughout the entire filter mass—not just on the surface.

Key technical principles:

Absolute filtration down to 3 microns

Extremely high dirt-holding capacity

Simultaneous removal of particles, water, varnish and acidity

Stable performance throughout the service life of the insert

This allows the filter insert to operate efficiently over long periods without pressure drop issues or bypassing.

What Makes a CJC Filter Inserts Different?

Depth filtration vs. pleated filters

Unlike pleated surface filters, a CJC filter insert captures contaminants throughout its entire structure. This results in:

Proven Results with an Acidity Removal Unit

Key Capabilities

Customer Benefits

High dirt-holding capacity for long service life

Fine particle removal down to 3 µm

Stable ISO cleanliness in real operating conditions

Continuous offline filtration without system interruption

Longer oil and component lifetime

Fewer unplanned stoppages and higher uptime

Reduced maintenance effort and service frequency

Lower total operating and maintenance costs

Proven Results with CJC® Filter Inserts

What customers typically achieve when using CJC® depth filter inserts in offline filtration systems.

Trophy icon representing achieved ISO cleanliness performance.

ISO

Consistent removal of fine particles throughout the full service life of the filter insert, ensuring stable oil cleanliness in demanding applications.

Rising arrow symbol representing extended oil lifetime and improved results.

2–5 x 

Extended oil lifetime and longer service intervals by reducing particle-driven wear and oil degradation.

Wrench icon representing reduced maintenance and wear.

30–50%

Cleaner oil lowers component wear, unplanned downtime, and maintenance interventions - reducing total cost of ownership.

Oil drop with circular arrows symbol representing stable and continuous filtration performance.

Stable

High dirt-holding capacity and stable filtration efficiency enable predictable performance and condition-based maintenance.

*Results depend on application, oil type, operating conditions, contamination levels, and other outside factors

Industries Using CJC® Filter Inserts for Oil Cleanliness Control

CJC® filter inserts are used across industries where particle contamination, water ingress, and oil degradation threaten reliability and performance.

Industry

Large lubrication and hydraulic systems

Marine & Offshore

Thrusters, stern tubes, and hydraulic systems

Mining & Construction

Heavy-duty hydraulic and lubrication systems

Power

Gas and steam turbine oil systems

Wind

Gearboxes and hydraulic pitch systems

Talk to a Filtration Specialist


Ensure the right filter insert is selected for your oil type, system design, and contamination challenges.