Graphic with link to download filter elements technology brochure

What is a Hydraulic Filter Element?

Filter elements are the heart and soul of every high pressure fluid power system. The main job of hydraulic filtration is to clean hydraulic fluid. This is achieved by removing impurities and contaminants in the system.

They are also used to ensure that contaminants do not interfere with the hydraulic machine’s main operating functionality. Such as maximizing efficiency and offering low energy consumption.

When a hydraulic oil filter removes those contaminants from a hydraulic system, an increase in the fluid’s cleanliness level is achieved. This results in the reduction of machine downtime and maintenance costs. A hydraulic oil filter also increases hydraulic fluid and component life, such as hydraulic pumps, hydraulic motors, etc..

Why Schroeder Filters?

At Schroeder Industries, our elements:

  • Remove impurities and contaminants
  • Meet required cleanliness levels
  • Preserve energy on system components
  • Maximize overall efficiency.

Schroeder Filter Media options that can help achieve your hydraulic fluid cleanliness and system efficiency goals. With numerous micron ratings and media options, there is a solution for you!

The special class of synthetic micro-glass and other fibers used in our Excellement® Z-Media® are manufactured with utmost precision and bonded with select resins to create material with extra fine passages.  No other filter media in the market matches the quality of Schroeder’s Excellement® Z-Media®. We excel in the cartridge hydraulic filter market through the factors of: Maximum dirt-holding capacity Particle capture Excellent beta efficiency and stability Minimum pressure drop Low overall operating costs
Schroeder’s Anti-Stat® Pleat Media (ASP®) was developed to reduce or eliminate electrostatic discharging problems that can occur during filtration of hydraulic and lube fluids.   By combining proven Excellement® Z-Media® and ASP® technology, it is now possible to offer both high filtration efficiency and electrical conductivity.
Schroeder offers Aqua-Excellement®, which excels at removing both water and solid particulates from petroleum-based fluids.   The filtering media incorporated into Aqua-Excellement® includes layers of Schroeder’s high efficiency Excellement® Z-Media® for capturing particulate contaminations in combination with high water removal capabilities, making this media a winning combination.
Series of over 2000 Schroeder BestFit® part numbers of filter cross references. The BestFit® family consists of: Standard cartridge hydraulic filters Spin-on replacements CoreCentric® coreless elements High collapse elements Melt-blown and spun-bonded for Process Filtration If there is an element that cannot be crossed, Schroeder Industries can work with you in finding a replacement solution to your element problem!
The CoreCentric® Coreless series are environmentally friendly, all plastic elements (no metal parts) that can be crushed, shredded, or burned.  These alternative methods of disposal will not only greatly reduce solid waste volumes, but also reduce disposal costs simultaneously. Built with Excellement® Z-Media®, the CoreCentric® Coreless series is designed to ensure optimum performance and ease of service.
The use of Electric Drive (ED-Media) guarantees safe  and reliable operation of your equipment while also protecting the use of excess energy.  The ED-Media series is characterized by an especially low pressure drop which makes them particularly suitable for a lower energy requirement on a system compared to conventional hydraulic power under the same ambient conditions. It saves to go green!
Far too often, customers make purchasing decisions based solely on price, only to be extremely disappointed with the poor quality delivered by low cost imitations.  To make matters worse, the customer often criticizes the filter housing manufacturer for poor performance, rather than the inadequate element they used as a replacement for the original Schroeder element. This is where Quality Protection comes in, and Schroeder Industries offers different Quality Protected designs for your needs.
GeoSeal® is a patented offering that provides a unique way for OEM’s to retain replacement element business and keep a filter’s performance at the quality level that it was originally supplied.  The idea is brilliantly simple: the critical sealing arrangement between a filter housing and its replacement element takes on a shape other than the standard circular arrangement. Specifically, the element grommet & mating bushing are given a new geometric shape.
DirtCatcher® offers a superior alternative to inside-out filtration. The patented outer shell prevents contaminants from falling back into the system during element changes while still providing the excellent dirt retention of Excellement® media.  The DirtCatcher® solution provides peace of mind to those concerned with dirt escaping from elements during the removal process while delivering all the advantages of Schroeder original (outside-in flow) elements.

Use of Non-Schroeder Elements in Schroeder Filter Housings:

Due to the possibility of a fit, form, and function error, Schroeder Industries does not recommend nor
guarantee that a non-Schroeder filter element can be used properly in a standard Schroeder filter housing. Other businesses have filter elements that are not controlled by Schroeder, which may cause decreased performance and system downtime.

Filter element image with warning symbol
Potential Effects of Using Non-Schroeder Elements:
  • Increased and Uncontrolled ISO Counts
  • Lower Beta Efficiencies
  • Uncontrolled Contamination Introduced in System
  • Lower Dirt Holding Capacities
  • Dissimilar Component Material from Original Specifications
  • Material Issues Mixing with Hydraulic Fluid
  • Premature System Component Failures
  • Uncontrolled System Downtime

How can I tell if my hydraulic filter is working?

Genuinely, a filter element’s performance can be measured. Such factors to watch include:

  • Beta Efficiency – how well it can remove contamination through fluid conditioning
  • Beta Stability – how well it can maintain its efficiency throughout its life
  • Dirt Holding Capacity (DHC) – how much contamination it can hold
  • Lower Pressure Drop – how restricting it is on the hydraulic system


Watch our YouTube “Filter Elements” Playlist for more product information:

Graphic with link to download the private labeling for for filter elements and filter cartridges

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