HILCO EHC Systems for Industrial Applications Utilizing Phosphate Ester Synthetic Lubricants

HILCO Electro Hydraulic Control (EHC) Filtering Systems are engineered as single- or multi-housing solutions to effectively reduce and control Total Acid Number (TAN) in critical lubrication systems. Most commonly applied in phosphate ester synthetic lubricant filtration, these systems remove harmful acids to prevent damage to pumps, bearings, and servo valves, particularly when TAN levels approach or exceed 1.

HILCO systems support a range of proven media, including Fuller’s earth (HilLITE), Activated Alumina (HiLITE-A), and Selexsorb GT, along with a newly patented dry resin ion exchange cartridge developed to meet evolving performance demands. System sizing is tailored to reservoir capacity, with HILCO recommending up to 1% media by weight for optimal treatment.

Regardless of configuration or media selection, HILCO leverages extensive application expertise to design reliable, application-specific solutions that ensure long-term equipment protection and operational performance.

Industrial filtration system used in nuclear power applications, featuring three cylindrical filters mounted on a base with labeled components and cautionary notices.

HILCO EHC Systems Key Features:

ASME Code and Internationally Certified

Trusted worldwide and already certified and utilized in many complex applications.

Large Range of Media Types

Can utilize many different types of media and configured to small or large lube oil reservoirs.

Reducing and stabilizing TAN Levels and Acid

Don’t just reduce TAN Levels and acid but also stabilize the fluid to ensure it does not reappear by continuous filtration of the oil.

Designed for Critical Hydraulic Components

Helps protect pumps, valves, actuators, servo controls, and other precision hydraulic equipment from contamination-related wear.

Reliable Performance in Harsh Environments

Built to withstand the pressures and flow conditions worldwide.

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HOW IT WORKS

HILCO FILTRATION Equipment

Since HILCO’s founding in 1915, our filtration equipment has earned a trusted reputation among both Original Equipment Manufacturers (OEMs) and end users worldwide. This reputation is built on a long legacy of filtration expertise combined with world-class manufacturing capabilities.

One of HILCO’s defining advantages is our fully integrated design approach: every filtration system features a precisely engineered HILCO vessel paired with a perfectly matched HILCO cartridge, both manufactured at the same facility. This level of control ensures optimal performance, reliability, and consistency across all products.

By manufacturing both vessels and cartridges as a complete system, HILCO has not only established the industry benchmark for filtration performance but has continually raised the standard for more than a century.