Varnish Removal System

Oil Filtration Systems introduced a new series of oil purification equipment to remove varnish from hydraulic and lubrication oils. By utilizing the two leading varnish mitigation technologies, a single varnish removal system (VRS) can remove either soluble varnish or suspended varnish from oil. VRS equipment employs granular adsorbent media to remove soluble varnish found in warm oil at normal operating temperatures of 100F and higher. At cooler temperatures (typically under 70F), varnish is in suspension and can be removed by depth media filter elements. The VRS housing accepts either media, giving an end user the flexibility to effectively remove either type of varnish. The VRS is ideal for purifying turbine lube oil (for Frame 7FA and 7EA gas turbines), hydraulic oil, Fryquel EHC fluid, paper machine oil, compressor oil, and oil for many other types of rotating equipment. (

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