#hydraulicfiltration

Hydraulic filtration plays a crucial role in keeping hydraulic systems efficient, reliable, and long-lasting. Contaminants such as dust, metal particles, and sludge can damage components and reduce system performance. Hydraulic filter elements are designed to remove these impurities, ensuring that hydraulic fluid stays clean and machinery operates smoothly.

Filter elements are installed in different parts of a hydraulic system, including pressure lines, return lines, suction filters, and off-line filtration units. Their primary function is to protect pumps, valves, cylinders, and other critical components from contamination. Using high-quality filtration elements improves equipment lifespan, minimizes system downtime, and reduces maintenance costs.

At DURAfilter, we design and manufacture high-performance hydraulic filter elements that deliver reliable filtration across demanding industrial and mobile hydraulic environments. Our product range includes DURAfilter-branded cartridges, OEM replacement elements, and cross-reference filter cartridges compatible with leading hydraulic brands such as EPE and Bosch Rexroth. Each filtration element is engineered for durability, efficiency, and consistent performance even in harsh operating conditions.

Types of Hydraulic Filtration Media Offered by DURAfilter

Every hydraulic application has unique operating conditions, which is why choosing the correct filtration media is essential. DURAfilter provides several advanced filtration materials to match various performance requirements.

Glass Fiber Filtration Media (1–20 µm Absolute)

Glass fiber filter elements are ideal for systems that require high-efficiency filtration and strict fluid cleanliness levels. This filtration media provides excellent dirt-holding capacity and low resistance to fluid flow. These elements are widely used in precision hydraulic systems where particle contamination must be tightly controlled.

Explore detailed information about Hydraulic Filter Elements click here.

Stainless Steel Mesh Media (10–300 µm Nominal)

Stainless steel mesh elements are known for their mechanical strength and reusability. These filter elements can be cleaned and reused multiple times, making them a cost-effective option for heavy-duty industrial applications.

Sintered Metal Fiber Media (5, 10, 25 µm Nominal)

For hydraulic systems operating in high temperature or high viscosity environments, sintered metal fiber filtration offers stable and reliable performance. Its porous structure provides consistent filtration even under extreme operating conditions.

Paper Filter Media (5–25 µm Nominal)

Paper filtration elements are a practical and economical solution for auxiliary filtration or low-pressure hydraulic systems. They provide dependable contamination control while keeping operational costs low.

Dualglass (G6) and Stainless Fiber Media

Dualglass and stainless fiber media combine high particle retention with excellent durability. These elements support filtration ranges between 1 and 60 microns, making them suitable for applications requiring broader filtration performance.

Key Features and Advantages of DURAfilter Hydraulic Filter Elements

DURAfilter filtration products are built with advanced materials and precision manufacturing to ensure consistent hydraulic system protection.

Strict Quality Testing

Every hydraulic filter element undergoes rigorous testing to meet important international standards, including:

ISO 2941 – Collapse and burst resistance

ISO 2942 – Fabrication integrity

ISO 2943 – Fluid compatibility testing

ISO 3724 – Flow fatigue testing

ISO 16889 – Multi-pass filtration efficiency testing

These certifications ensure our filter elements maintain reliability even under demanding conditions.

High Dirt-Holding Capacity

Our filter cartridges are engineered with large dirt-holding capacity. This allows them to trap more contaminants before replacement is required, extending maintenance intervals.

Improved System Efficiency

Low pressure drop across the filtration media helps maintain smooth fluid flow. This improves overall system efficiency and reduces strain on pumps and valves.

Durable Construction

Premium materials such as glass fiber, stainless steel mesh, and sintered metal fiber allow our filtration elements to withstand high pressure, high temperature, and varying fluid viscosities.

Compatibility and Custom Hydraulic Filter Solutions

DURAfilter filter elements are designed to integrate easily with industrial hydraulic systems, mobile hydraulic equipment, and fluid power systems.

For applications that require unique specifications, we also manufacture custom hydraulic filter cartridges. Our engineering team can design filtration elements based on:

Required pressure rating

System flow rate

Filtration efficiency

Fluid compatibility

Temperature range

Our solutions are suitable for systems using standard hydraulic oil, synthetic fluids, phosphate esters, or water-based hydraulic fluids.

In addition to filtration elements, we also supply hydraulic breathers, strainers, and filter heads, ensuring your filtration system functions as a complete and efficient unit.

Industries That Use Hydraulic Filter Elements

DURAfilter products are trusted across industries where clean hydraulic fluid is essential for equipment performance.

Industrial Manufacturing

Hydraulic filter elements are used in presses, injection molding machines, and automated production equipment to maintain contamination-free fluid systems.

Mobile Hydraulics and Construction Equipment

Heavy machinery used in construction, mining, and agriculture relies on filtration elements to protect pumps and hydraulic components.

Power Generation

Hydraulic systems in turbines and control systems require high-pressure filter elements to maintain operational stability.

Marine and Offshore Systems

Marine hydraulic systems must withstand salt exposure, humidity, and harsh operating conditions. Reliable filtration ensures smooth operation of steering, propulsion, and deck equipment.

Oil and Gas Industry

Drilling and processing operations require high-performance hydraulic filtration to maintain equipment reliability in challenging environments.

How to Choose the Right Hydraulic Filter Element

Selecting the correct hydraulic filtration element ensures optimal system protection and efficiency.

1. Check Fluid Compatibility

Different hydraulic fluids have different chemical properties. Always select filter materials that are compatible with mineral oils, synthetic fluids, or water-based hydraulic fluids.

2. Select the Correct Micron Rating

Micron rating determines the size of particles a filter can capture.

Absolute micron rating (e.g., 1 µm): Removes nearly all particles of that size. Ideal for precision systems.

Nominal micron rating (e.g., 10 µm): Removes most particles but allows a small percentage to pass through.

3. Consider System Pressure and Flow Rate

Filter elements must withstand system pressure without collapsing. High-pressure systems require elements tested for burst resistance and structural strength.

4. Evaluate Maintenance Requirements

Most industrial breakdowns start silently — inside your system. That’s why choosing the right filter suppliers and investing in complete filtration solutions is critical for long-term performance.

At Aqua Fluid Technologies, one of the trusted filter suppliers Australia, we design advanced systems for hydraulic filtration, industrial air filtration, and industrial air filter systems that protect machinery before damage begins. Our wide product portfolio includes air filter, panel filter, HEPA filter, hepa air filter Australia, automotive air filters, cartridge filters, bag filters Australia, inline filter, in line water filter system, duplex filter system, coalescing filter, y strainer, basket strainer, oil filter, fuel filter, and high-performance water filtration systems Australia, delivering the best water filter Australia solutions for industrial operations.

We also specialize in filter cross reference Australia, filter cross reference, cross reference filters, oil filter cross reference Australia, and fuel filter cross reference, ensuring reliable replacement solutions for global filtration brands.

Hydraulic systems are the backbone of modern construction equipment. From lifting heavy loads to precise movement control, hydraulics deliver the power, reliability, and efficiency required on demanding job sites. Understanding the types of hydraulic systems used in construction equipment helps contractors and operators choose the right machinery and maintain optimal performance.

1. Open Loop Hydraulic Systems

Open loop hydraulic systems are the most commonly used in construction equipment such as excavators, loaders, and backhoes. In this system, hydraulic fluid flows continuously from the pump to the control valves and returns to the reservoir when not in use.

Key features:

Simple and cost-effective design

Easy to maintain

Reliable for general construction tasks

Open loop systems are ideal for equipment that operates at constant speeds and does not require frequent pressure changes.

2. Closed Loop Hydraulic Systems

Closed loop hydraulic systems circulate hydraulic fluid directly between the pump and the motor, with minimal fluid returning to the reservoir. These systems are widely used in heavy-duty construction machinery such as bulldozers, cranes, and large earthmoving equipment.

Key features:

High efficiency and faster response

Better control under heavy loads

Reduced energy losses

Closed loop systems are preferred for applications requiring high power density and precise control.

3. Load-Sensing Hydraulic Systems

Load-sensing hydraulic systems automatically adjust pressure and flow based on load demand. These systems are commonly found in advanced construction equipment like modern excavators and wheel loaders.

Key features:

Energy-efficient operation

Reduced fuel consumption

Improved machine responsiveness

By supplying only the required hydraulic power, load-sensing systems enhance productivity while lowering operating costs.

4. Electro-Hydraulic Systems

Electro-hydraulic systems combine traditional hydraulics with electronic controls. Sensors, controllers, and actuators allow precise operation and automation in construction machinery.

Key features:

High precision and smooth control

Improved safety and automation

Suitable for complex operations

These systems are widely used in smart construction equipment and machines requiring advanced motion control.

5. Hydrostatic Hydraulic Systems

Hydrostatic systems use hydraulic pumps and motors to transmit power without mechanical gearboxes. They are commonly used in tracked construction equipment, compact loaders, and paving machines.

Key features:

Smooth speed variation

High torque at low speeds

Excellent control in confined spaces

Hydrostatic systems provide reliable performance in demanding and uneven terrain.

Importance of Hydraulic Filtration in Construction Equipment

Regardless of the system type, clean hydraulic oil is critical for performance and longevity. Effective hydraulic filtration systems remove contaminants, reduce component wear, and prevent unexpected breakdowns on construction sites.

Conclusion

Different types of hydraulic systems play a vital role in construction equipment performance. Open loop systems offer simplicity, closed loop systems deliver power, load-sensing systems improve efficiency, electro-hydraulic systems enhance precision, and hydrostatic systems provide smooth control. Selecting the right hydraulic system ensures higher productivity, lower maintenance costs, and reliable operation in construction environments.

When your hydraulic system starts losing efficiency, it’s often not the pump - it’s the filter element failing to do its job. At DURAfilter, we build filters engineered to protect, perform, and prolong system life.

Get complete insights into Filter Elements click here.

Here’s how we keep your operations running clean and smooth 👇 🔹 Oil Filter Elements – Maintain cleaner oil for smoother, more efficient hydraulic performance. 🔹 Replacement Filter Elements – Precision-fit replacements that meet or exceed OEM specs - no leaks, no downtime. 🔹 Reverse-Engineered Filter Elements– Perfect when part numbers are lost; we rebuild filters to exact original specs. 🔹 Industrial Filters – Built tough to handle high pressure, high flow, and harsh industrial environments.

Each filter is rigorously tested under ISO 2941, 2942, 2943, 3724, and 16889 standards, ensuring durability and performance in real-world conditions.

✅ Lower maintenance costs ✅ Extended equipment life ✅ Consistent, contamination-free operation

Don’t let poor filtration slow your system down. Upgrade to DURAfilter  -where precision meets performance.

Engineered Filter Solutions for Hydraulic and Industrial Filtration Systems

DURAfilter is a trusted name in advanced Hydraulic Filters and industrial liquid & gas filters, delivering robust performance across both stationary and hydraulic filtration mobile applications. Designed for harsh working environments across heavy machinery, manufacturing, power generation, and process industries, our engineered filter solutions ensure superior protection against contaminants while extending operational lifespan and reducing maintenance costs.

We supply a comprehensive portfolio of industrial filter system components, including DURAfilter-branded products, OEM-compatible replacements (covering select brands like EPE and Bosch Rexroth), and precision cross-reference alternatives. Each filter element is carefully crafted to ensure compatibility with a wide spectrum of hydraulic, lubrication, and industrial circulating systems. Whether you’re upgrading existing equipment or sourcing replacements for legacy models, our solutions provide reliable fitment and consistent filtration efficiency.

Explore detailed specifications of Filter Elements click here.

Built on Certified Quality Standards

Every DURAfilter product undergoes extensive laboratory and field testing to meet or exceed international safety and performance requirements. Our filtration elements conform to:

ISO 2941 – Verifying collapse and burst strength

ISO 2942 – Ensuring fabrication integrity and sealing reliability

ISO 2943 – Confirming chemical compatibility with hydraulic fluids and lubricants

ISO 3724 – Evaluating fatigue resistance under fluctuating flow conditions

ISO 16889 – Determining particle capture efficiency through multi-pass testing

This rigorous compliance positions DURAfilter among the top names in industrial filters technology, making our elements suitable for mission-critical environments where failure is not an option.

Types of Filter Elements Offered by DURAfilter

1. Filter Element Reverse Engineering

When original Reverse-Engineered Filter Elements specifications are unavailable or branding has worn away over years of use, DURAfilter offers specialized filter element reverse engineering services. Unlike companies that require an OEM number before assisting, we excel at identifying and recreating unknown or obsolete filter models without prior documentation.

Our Reverse Engineering Methodology

Dimensional Profiling – We measure outer diameter, inner core structure, end cap design, and sealing interface.

Media Structure Analysis – Pleat density, fiber layering, and permeable surface structure are studied to match performance.

Material Replication – Based on fluid type (hydraulic oil, lubricants, emulsions, or gases), we select suitable media and gasket materials.

Performance Reconstruction – Micron rating, differential pressure capacity, and flow resistance are recalculated to ensure equivalent or improved output.

This service ensures full compatibility with your industrial filter system without requiring costly assembly replacements or operational downtime.

2. Oil Filter Elements

Clean lubrication is essential for maximizing the life of pumps, valves, gears, and actuators. DURAfilter’s Oil filter elements are developed to protect hydraulic machinery from abrasive wear and sludge accumulation.

Key Features

High capture efficiency for dirt, rust, metal particulates, and sludge

Available in multiple materials to support hydraulic filtration mobile units and stationary lubrication circuits

High-pressure resistant construction ideal for industrial filters technology

Quick installation with minimal downtime

Common Application Areas

Hydraulic presses and industrial machinery

Gear lubrication systems in power plants

Construction and mining vehicles

Automotive and transportation sectors

3. Replacement Filter Elements

DURAfilter manufactures drop-in Replacement of Filter Elements that eliminate the need to replace entire housing assemblies. Built to meet or exceed OEM standards, our replacements offer high dirt retention capacity, corrosion-resistant design, and long-life stability even in heavy-duty industrial liquid & gas filters applications.

Whether replacing spin-on filters, return line elements, suction strainers, or depth filters, our catalog includes hundreds of compatible dimensions ready for immediate deployment.

4. Industrial Filters

For large-scale industrial operations requiring consistent fluid or air purity, DURAfilter provides high-capacity industrial liquid & gas filters engineered for continuous-duty cycles. These filtration units protect compressors, pumps, dosing equipment, pneumatic systems, process pipelines, and tank circulation units from particulate or vapor-based contaminants.

Key Benefits

Engineered for high-pressure and high-flow industrial environments

Available in surface, pleated, and depth filtration architectures

Compatible with oils, emulsions, water-based fluids, compressed air, and inert gases

Scalable design for skid units, central filtration stations, and point-of-operation installations

Why Choose DURAfilter?

Engineered filter solutions optimized for long-term operational economy Reverse engineered replacements for obsolete or unmarked filter models Certified according to global ISO standards Customizable filtration media for precise performance tuning Reliable service across hydraulic, lubrication, and gas phase filtration

DURAfilter is more than a supplier we are a problem-solving partner for industries that rely on efficient and safe fluid systems. Whether you need an industrial filter system upgrade, emergency replacement, or full-scale filter element reverse engineering, our technical team is ready to assist.

When it comes to maintaining the performance and longevity of hydraulic systems, engines, and industrial equipment, oil cleanliness is crucial. This is where a bypass filter element plays a key role. In this complete guide, we’ll explain what a bypass filter element is, how it works, and why it is a valuable component in modern filtration systems.

What Is a Bypass Filter Element?

A bypass filter element is a component used in a bypass filtration system, which operates parallel to the main flow of oil or hydraulic fluid. Unlike a full-flow filter, which filters 100% of the fluid circulating through the system, a bypass filter handles only a small portion of the fluid—usually around 5-10%—at any given time.

The purpose of a bypass filter element is to remove ultra-fine particles, water, and oxidation by-products that conventional full-flow filters typically miss. It helps maintain fluid cleanliness at much higher levels, which significantly extends the life of both the fluid and the equipment it protects.

How Does It Work?

The bypass filter element is installed in a parallel flow loop. While the main flow supplies critical system components with fluid, a small side stream of fluid is diverted through the bypass filter.

By operating at a lower flow rate, the bypass filter allows the filter media to trap particles as small as 2 microns or even finer. The result is a much cleaner system over time.

Benefits of Using a Bypass Filter Element

Improved Fluid Cleanliness Removes fine contaminants missed by full-flow filters.

Extended Equipment Life Cleaner fluid reduces wear on pumps, valves, cylinders, and bearings.

Extended Fluid Life Removes oxidation products and water, keeping the oil in better condition for longer.

Lower Maintenance Costs Less frequent oil changes and reduced component replacement needs.

Common Applications

Hydraulic systems

Engine oil filtration

Turbine lubrication systems

Industrial gearboxes

Marine engines

Heavy equipment and construction machinery

Popular Types of Bypass Filter Elements

Cellulose bypass filter elements

Synthetic bypass filter elements

Depth bypass filter elements

High-capacity bypass filter elements

Water-removal bypass filter elements

Conclusion

A bypass filter elements is a smart investment for anyone aiming to improve system reliability, extend component life, and reduce overall maintenance costs. Whether in an engine, hydraulic system, or industrial application, adding bypass filtration delivers long-term value.

Are you in search of a new hydraulic filter? Proper filtration is essential for the longevity of the hydraulic systems but selecting the right one for the job is not that easy.

Here we help you out by describing five essential things to consider while selecting the right hydraulic filters.

1. Types of Filters to Choose From

2. Know the Viscosity

3. Knowing the Flow Rate

4. Know the Application