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Tag Archive: hydraulic contamination

  1. Eliminate Hidden Contaminants with Ultimate Roll-Off Cleanliness

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    Equipment failures within warranty and product recalls are a major headache for both end users and manufacturers, ranging from costly and inconvenient to downright dangerous.  One common cause of issues and even catastrophic failures is contamination present in the equipment the moment it exits the assembly line.

    Just last month, Toyota recalled tens of thousands of trucks and SUVs due to possible machining debris in the engines, which could result in anything from knocking and rough performance to total loss of engine power. 

    A similar machining debris issue caused an even bigger recall of over 1 million Hyundai and Kia vehicles in 2017, as well as triggering a costly class action lawsuit brought by end users.

    The risks of contamination-related, premature equipment failures to both end users and original equipment manufacturers are clear. So, how can these issues be prevented?


    What is Roll Off Cleanliness?

    Roll off cleanliness is commonly referred to as the overall contamination level of the fuel system, hydraulic system, and hydraulic fluid in the equipment at the time of release from an assembly line or re-build line, after testing and before shipping to customers and/or end users.

    Built-in contamination, or contamination that enters a vehicle or piece of equipment during assembly, is a common cause of premature failure. A high standard of roll-off cleanliness ensures that new equipment is free of contamination which can cause failures within warranty, triggering returns, recalls, and other negative outcomes that inconvenience consumers and impact a brand’s reputation.


    Where Does Built-In Contamination Come From?

    For hydraulic, lubrication, and fuel systems with sensitive components, even contaminants measured in microns can cause damage. For optimal roll-off cleanliness, there are several avenues of contamination that must be monitored and addressed, depending on the application:


    As the automotive manufacturers mentioned above are all too aware, machining debris, or particulates left over from the process of manufacturing and assembling components, can be catastrophic.

    Tiny fragments of metal and other particulates produced in the manufacturing process can cause both localized damage to engines or critical system components and spread downstream of the original contamination source, causing wear and tear throughout the system.  

    The overall cleanliness of the manufacturing setting at every stage of production is also vital for ensuring overall roll-off cleanliness. Dust, debris, and moisture present in the environment can settle into components as they are being manufactured, packaged, transferred, or assembled.

    Most manufacturers source at least some components from third party vendors, so the condition of other facilities should also be examined, and incoming components should be tested to ensure they comply with a manufacturer’s standard of cleanliness.

    Contamination from newly added hydraulic or lubricating fluids is another common source of contamination at the start of a machine’s life.  Oil producers generally adhere to strict ISO standards, but throughout the process of production, transfer, and filling, contaminants may ingress into the hydraulic fluid.

    New oil should be tested before being added to any system. It is also recommended to utilize an offline filtration system or kidney loop filter to cycle the oil through the system and ensure its cleanliness.

    For plants which produce diesel-powered mobile equipment, fuel management for on-site testing and end-of-line filling equipment is a critical part of their operations. Fuel is a common vector for water, bacteria, and particulate contamination to enter a fuel system, as there are many potential points of exposure throughout the fuel production and transfer processes.

    Inbound fuel, on-site storage tanks, and distribution systems should be carefully monitored and filtered. Filtration units specialized for maintaining diesel quality are a must to ensure clean fuel, protecting new equipment from an influx of contamination into the fuel system.


    Schroeder Industries understands the importance of setting end users up for success through roll-off cleanliness. We offer a variety of filtration solutions and diagnostic tools that ensure your equipment is putting its best foot forward from a cleanliness standpoint when it leaves the assembly line.



    Component Cleanliness Testing Cabinets

    Testing cabinets like Schroeder’s CTU 1000, CTU-SC, and CTU-EB are used to analyze individual machine components and provide detailed analysis of the type, size, and quantity of contaminants. Analyzing components throughout the production, storage, and system assembly process ensures that individual contaminants are clean when entering the equipment.

    If a testing cabinet is outside your budget, Schroeder Industries offers turnkey testing services and expert analysis!

    Filter Cart Systems

    Contaminated hydraulic fluid or oil is a common cause of premature machine failure. Offline filtrations systems such as Schroeder’s array of filter carts (including the MFS, FS, and AMFS) allow for flexibility and mobility when testing the hydraulic fluid and lubricating oil across a variety of machines.

    Ranging from streamlined-but-reliable basic cart systems to advanced systems with onboard particle counting and recording capabilities, these filter carts ensure the cleanliness of fluid within the equipment and can be customized for your specific needs.


    Hand Held Hydraulic Filter Units

    For an ultra-portable alternative to a filter cart system, Schroeder Industries offers hand-held filtration units like the HFS-15.

    These lightweight, hand-held units provide the same powerful filtration as a filter cart system with unprecedented mobility.

    Portable Fluid Sampling Systems

    Diagnostic tools like the TFC are used for establishing ISO counts for fluids in real-time.  Due to the technology included in the TFC, it is able to distinguish air bubbles from particulate contamination, removing the counted air from the particle count, thus providing a more accurate ISO code.  With shape and size recognition software, determining the type of the contamination present in the hydraulic fluid is now even easier.


    Bulk Diesel Filters

    Schroeder’s Fuel Filtration division specializes in coalescing and particulate filtration for diesel fuel.

    Products like the BDF, GHCF, and more provide superior filtration at every stage of the fuel supply chain, including during transfer, point of fueling, and kidney loop circulating filtration for bulk storage tanks.

    Mobile Diesel Filtration Units

    Fuel filtration carts like the BDFC combine our world-class fuel filters with integrated pumps, hoses, and a mobile cart chassis.

    These turn-key, complete systems offer increased flexibility and enable easy transitions from application to application around a manufacturing plant or storage facility.


    Schroeder Industries’ Commitment to Cleanliness

    As a provider of critical filtration components and accessories, Schroeder Industries is all-too aware of the importance of providing clean parts to our manufacturing partners.

    Our manufacturing facilities in Leetsdale, PA and Cumberland, MD maintain high standards of cleanliness, creating a comfortable working environment and minimizing the risk of particulate contamination.

    Our products are subject to stringent standards which include proprietary, rigorous testing and cleaning methods that ensure our filters, rotomolded reservoirs, and other components arrive to our partners in clean condition.


    Let the experts at Schroeder Industries help you reach your roll off cleanliness goals!

    Contact-Blog-Roll Off Cleanliness

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  2. Quality Protection Filter Elements Offer Superior Defense from Contamination

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    Banner featuring various Quality Protection filter element products

    ‘Will-Fit’ Doesn’t Cut It

    Keeping a hydraulic system free of contamination is critical for system efficiency and longevity, and high quality filtration elements are the key to contamination control. Unfortunately, it’s not uncommon for customers to seek out low-cost, off-brand imitations of Schroeder Industries filter elements in order to cut down on expense.

    Not all filter elements are created equally, and just because a given element fits in a Schroeder filter housing, it doesn’t necessarily provide adequate filtration. Cut-rate imitations may claim that “All filtration elements are guaranteed to meet or surpass all specifications of the original equipment manufacturer” but that’s not always the case. Take a look at the numbers below and see for yourself:

    ElementsSchroeder KZ5“Will-Fit” replacement
    # of pleats8071
    Pleat Height (in)0.630.61
    Media Layers65
    DHC (g)11984.3
    Beta 2004.812.2
    Beta 10006.318.1
    ElementsSchroeder 27KZ1“Will-Fit” replacement
    # of pleats8071
    Pleat Height (in)0.630.61
    Media Layers65
    DHC (g)378.1233.1
    Beta 200<412.4
    Beta 1000<418.3

    Cheaper knockoff filter elements trade functionality for lower cost, exposing the hydraulic system to increased risk of contamination, machine downtime, and system failure. Furthermore, the blame for these failures may be wrongly placed on the housing manufacturer, not the cut-rate filter element.

    How can we ensure that proper, high-quality filtration elements are being used?


    Quality Protection: Guaranteeing High Quality Filter Elements, Every Time

    Quality Protection is Schroeder’s answer to the problem of mismatched, inadequate elements. The patented, premium Quality Protection elements are engineered specifically for superior performance when paired with Schroeder filter housings.

    Quality Protection logo with lineup of Quality Protection filter elements

    What does Quality Protection mean?

    • End users cannot substitute “will-fit”, low quality elements for a Quality Protection element
    • OEM’s will capture aftermarket revenue from Quality Protection elements; exponential growth year after year
    • Increase in machine productivity and reliability when Quality Protection filtration elements are deployed
    • Overall reduction in warranty claims when hydraulic equipment is protected by superior filtration

    Why Do My End Users Need Quality Protection?

    Pie chart detailing expense breakdowns including the cost of hydraulic system downtime, hydraulic equipment repair and replacement, and other expenses

    Hydraulic system downtime and repairs represent a significant portion of overall costs to equipment end users. Contamination is the leading cause of hydraulic machine downtime, accounting for as much as 70% of premature machine failures. Ensuring the highest quality filtration protects your end users’ equipment from contamination-related failures and associated costs.


    How Does Quality Protection Benefit My Business?

    Quality Protection is the clear choice for protecting your end user’s hydraulic equipment from contamination-related damage, but how does it benefit your business directly?

    Not only will your equipment perform at like-new levels, but Quality Protection can also provide an increase in aftermarket retention year over year. By taking advantage of our Quality Protection filter elements with the private labeling option, you may see up to 90-100% aftermarket retention. Compare this to the expected retention when using standard Schroeder elements with or without private labeling.

    Over a 10 year period, one may sell an estimated triple the quantity of filter elements when implementing a Quality Protection strategy than without. The associated boost to sales margins makes this a highly profitable, winning strategy.

    Graph representing the increase in quantity and sales margin for a Quality Protection filter element strategy versus non-Quality Protection

    Quality Protection Solutions

    GeoSeal Quality Protected elements for hydraulic filters

    Geo Seal®| Patented Quality Protection

    US Patent D658740

    The element grommet and mating bushing are given a new geometric shape

    • Provides a unique way for OEMs to retain replacement element business and keeps a filter’s performance at the level it was supplied
    HydraSPIN Quality Protected elements for hydraulic filters

    GH6, GH9, GH11, & GH14
    HydraSPIN Filters

    Only filters to offer a full range of a cartridge style element, but in a robust metal housing

    • Up to 35 gpm (130 L/min) HydraSPIN Filters (GH6 & GH9),
    • Up to 87 gpm (325 L/min) HydraSPIN Filters (GH11 & GH14)
    • Capable of delivering the best performance solution for any hydrostatic or CVT application challenge
    Air Fusion Technology Quality Protected elements for hydraulic filters

    Air Fusion Technology (AFT)

    Patent Pending In-tank filter design

    • Lightweight; as part of a tank optimization package can reduce reservoir size
    • Lock & Key Quality Protected, OEM specific interfaces available
    • Superior de-aeration performance
    • 360 degree swivel connection; lines stay connected during element changeouts
    • Part of Schroeder Industries 2030 Initiative
    Lock & Key Quality Protected elements for hydraulic filters

    Lock & Key

    Quality-Protected Design for OEMs

    Patent protected design that can be customizable to specific OEM requirements

    • The bushing acts like a lock, the end cap acts as a key, and only a matched “Lock & Key” will allow the element to seal on the bushing
    • Unique and customizable patterns for OEMs to “own” an exclusive design for their equipment
    • Currently utilized in high pressure housings and AFT technologies

    Private Labeling Solutions

    Incorporating a private labeling program has proven benefits for aftermarket element business retention, and offers additional protection against inferior, cut-rate filter element substitutions. Schroeder offers a full line of branding solutions for filter elements, including our Quality Protection items. Review our Private Labeling Capabilities Form and email sisales@schroederindustries.com to plan your private labeling program!

    Private Labeling Capabilities Form
  3. Electric Hydraulics: Revolutionizing the Mobile Hydraulics Industry

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    The Future of Hydraulics is Electrifying

    In recent years, the mobile hydraulics industry has been revolutionized by the development and proliferation of electric hydraulic systems. Among other inherent benefits, electric hydraulic systems could also be dramatically more energy efficient compared to traditional hydraulic systems.

    How is this possible? Unlike traditional hydraulic systems, electric hydraulic motor-pump units only operate when flow and pressure are required to perform the working task at hand.

    When there is no flow or pressure required, the electric hydraulic motor-pump unit switches to zero energy-mode, saving the consumption of energy and increasing the system’s efficiency. This is what we call energy efficiency.


    Energy Efficiency through Electric Hydraulics

    Energy efficiency logo symbol

    Energy efficiency, put simply, is when less energy is needed for a system to get the job done. This can be achieved by lowering the amount of energy consumed to accomplish an equivalent output (e.g. halt of use when not in operation).

    Think about some of the newer car models in the market today.

    Some higher-end models shut down every time the car stops at a stop light. Since the car is in idle at that stop light, why would the car continue to place tension and wear the performing components when they’re not performing their sole duty: driving?

    This way of thinking is slowly creeping into hydraulics too. Experts are now looking at ways to incorporate these (and other) types of electric energy to power hydraulic machines. This is called electric hydraulics.

    Electric Hydraulic Advantages

    Eleectric Drive Media with check mark

    Electric hydraulic systems have some major advantages over their traditional hydraulic counterparts. The key advantages of electro-hydraulic motor pump units are:

    • Up to 70% more efficient than standard hydraulic counterparts
    • CO2 reduction = less fluid being used in the system
    • Component lifespan increased, especially with bearings and seals
    • Ability to control direction & amount of hydraulic flow by controlling direction/speed of the electric motor.
      • Injection molding machine systems eliminate the need for directional and proportional valves in the motion axis.
      • Fewer, less complicated components also simplifies troubleshooting.
    • Quieter run times, reducing noise decibel readings
    • Save space and reduce weight with lighter, more compact electric systems
    • Integrated electrohydraulic packages are now available. These packages include an electric motor, controller, and hydraulic pump combined into one compact unit to lower total cost of ownership.

    With the rising trend of electric drive vehicles and utilizing efficient energy throughputs, there is now a need to reduce power consumption and extend the battery life through increased hydraulic efficiency. How do we capitalize on saving energy and becoming more efficient in electric hydraulic systems?

    The answer: minimize the pressure drop

    Electric Drive Savings Through Pressure Drop Reduction

    All energy has a price, and wasting it means wasting meaningful dollars. It is desirable to have as much energy that is inputted into a system available to do useful work. In hydraulic systems, we tend to look at differential pressure across the entire system. Differential Pressure describes the loss of energy available in a hydraulic system—however, the energy is not lost, but converted into thermal energy, which is unavailable to perform useful work.

    For example, a small pressure drop effects high horsepower systems, as the pump/motor group must make up for that loss of energy and operate much harder, costing more money and shortening component life. Take a look at the figure below to see an example of how much money can be saved by lowering the pressure drop by a few psi:

    Graph depicting electric drive savings through pressure drop reduction
    *Assuming electric driven operation at 65% efficiency. $ Savings based on energy cost of $0.15/kw-hr & ~6000 hours per year on an electric driven operation.

    So how do we lower the overall pressure drop in an electric hydraulic system? That is where Schroeder’s Electric Drive media can help.


    Schroeder’s Electric Drive Media

    Schroeder Industries Electric Drive Media for electric hydraulic systems

    The use of Schroeder’s GREEN, Electric Drive (E-Drive) Media filtration technology guarantees safe and reliable equipment operation, all-while conserving the use of energy.

    Part of Schroeder’s Energy Saver initiative, filter elements made using the all-new E-Drive Media are characterized by a low pressure drop, making them suitable for low energy requirements compared to conventional hydraulic elements under the same ambient conditions.

    In certain applications, the E-Drive Media can lower the pressure drop to a point where consumers may be able to size down their horsepower requirements on their current motor and save even more overall!

    E-Drive filter elements are made using an all-new specialty formulated, high efficiency, low differential pressure media and are the perfect choice for use in electric hydraulic drive motor-pump units. Use them for conserving energy bills and wherever high viscosity fluids are employed – especially at low temperatures that produce a cold start behavior.

    Let’s see how our 10-micron Electric Drive media element compares to the typical synthetic microglass media available on the market today.

    Technical Specs (evaluated in K-sized element):

    Media Typeβ200
    [µm(c)]
    Pressure Drop Factor
    [psid/gpm]
    E-Drive Media (10 µ)10.20.050
    Typical Synthetic Media (10 µ)10.60.156
    Graph measuring pressure drop versus flow rate in standard hydraulic filter media versus electric drive filter media
    • Element Collapse Rating: 145 psid (10 bar)
    • Temperature Range: -22°F to 212°F (-30°C to 100°C)
    • Flow Direction: Outside to Inside

    E-Drive Media is currently rated for 10-micron filtration, with other micron options available in the near future.


    What Can E-Drive Media Do For You?

    To see if Schroeder’s Energy Saving Initiative E-Drive Media can be the right solution for your electric hydraulic systems, email us at sisales@schroederindustries.com or leave a comment in the blog post below.


    Learn how our electric drive media can work for your electric hydraulic systems!

    Schroder 2030 carbon neutrality initiative logo

    E-Drive Media is part of Schroeder Industries’ 2030 Initiative, a suite of filtration solutions and technology proven to support carbon neutrality goals. Learn more about how Schroeder Industries and sustainability go hand in hand!