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DONALDSON
Hydraulic Filtration

Hydraulic Filtration

Product catalog summary

Overview
Donaldson Company, a leader in filtration technology, offers a wide range of hydraulic filtration products designed to maintain clean, dry oil essential for equipment performance. Their product line includes spin-ons, cartridges, in-tank, low, medium, and high-pressure filters, duplex systems, and accessories.

Hydraulic Filter Housing Selection Guide
This guide helps in selecting the appropriate Donaldson model based on maximum operating pressure and flow rate. Filters are categorized by pressure families (low, medium, high) and housing styles (spin-on, in-tank, in-line).

Selecting the Proper Hydraulic Filter
Steps include determining system operating pressure and flow rate, selecting the filter housing model, considering application factors such as ISO code, fluid type, oil viscosity, and efficiency, choosing appropriate line and reservoir accessories, and implementing ongoing contamination control practices.

Importance of Temperature in Pressure Drop
Fluid viscosity affects flow through filters, impacting pressure drop. Higher viscosity fluids result in higher pressure drops, and temperature influences viscosity, with colder fluids being more viscous.

Pressure Drop Correction Formulae
Formulas are provided to calculate pressure loss considering viscosity and specific gravity, ensuring accurate pressure drop assessments.

Product Line Overview
Donaldson offers low, medium, and high-pressure filtration solutions:

Low Pressure Filters: Used in return line applications, rated up to 350 psi.
Medium Pressure Filters: Suitable for applications up to 2000 psi, available in spin-on and in-line styles.
High Pressure Filters: Positioned between pumps and critical components, rated up to 6500 psi.

Accessories and Additional Information
Accessories such as breathers, suction strainers, and gauges are crucial for system performance. Regular fluid analysis and off-line filtration are recommended for optimal system maintenance.

Filtration Solutions
Donaldson offers solutions for clean, dry oil with high-performance DT filters that increase dirt-holding capacity and lower pressure drop. The product range includes low, medium, and high-pressure filters, as well as hydraulic line and reservoir accessories.

Filtration Media
Donaldson provides over 35 different formulations of filter media, including DT Synteq™ Synthetic Media, Synteq™ Synthetic Media, Cellulose Media, Water Removal Media, and Wire-Mesh Media. These media are designed to meet various customer specifications and provide high filtration efficiency.

Engineering and Testing
Donaldson's engineering capabilities include design centers in the United States, Asia, and Europe. They offer prediction and simulation services, development and validation testing, rapid prototyping, and filtration performance testing to ensure product reliability and performance.

Industry Trends
Donaldson is committed to introducing new filtration technologies that meet the evolving demands of hydraulic systems, which require higher cleanliness standards and increased filtration performance.

Design Validation
Donaldson conducts design validation in key regions including the United States, Asia, and Europe. Their testing includes high viscosity ∆P, high temperature, flow fatigue, used oil analysis, and component durability. They offer 24/7 durability testing and web-based test cell monitoring.

Vibration/Shaker Testing
Multiple benches are used for performance vibration tests with flow tests. They can apply random, shock, or custom vibration profiles and conduct tests in hot or cold conditions.

Field Testing
Field tests are conducted on and off-highway, in heavy-duty applications, and on both end-user and OEM applications. Real-time measurements and remote communications are used for data acquisition.

Quality and Manufacturing
All facilities are ISO/TS certified, ensuring consistent and reliable products. Manufacturing locations for liquid filtration are strategically placed in the United States, Canada, Mexico, Europe, and Asia-Pacific.

Base Component Materials
Donaldson uses materials built for long-life, durability, corrosion resistance, and liquid compatibility. Methods to enhance media durability include oven-curing, wire backing, and multiple layered media.

Logistics and Distribution
Donaldson has a global distribution network with primary distribution locations supporting regional centers and warehouses. They work with transportation and logistics companies to meet customer requirements.

Hydraulic Filtration
Donaldson hydraulic filters reduce contaminants to keep equipment running smoothly. They offer a range of filtration options including low, medium, and high-pressure filtration, as well as in-tank and off-line filtration.

Shoptalk
Shoptalk provides maintenance tips, cost reduction ideas, and product features. It is available as direct mail cards or email, with new topics sent out 3-4 times a year.

Hydraulic System Contamination
Contamination sources include new fluid, built-in, ingressed, induced, in-operation, and degradation of rubber and elastomers. Proper filtration is crucial to protect hydraulic components from damage.

Beta Rating System
The beta ratio is used to calculate filtration efficiency, determined by monitoring fluid contamination levels upstream and downstream of the test filter.

Hydraulic Oil Test Kits
Donaldson offers basic and advanced hydraulic oil test kits to monitor component wear, contamination, and fluid condition.

Specifications and Standards
The document references ISO cleanliness codes (e.g., ISO 22/21/18, ISO 19/17/14, ISO 14/9/3) and the ISO 16889 test standard for measuring contaminant levels in hydraulic systems. It emphasizes the use of NIST certified on-line automatic particle counters and ISO medium test dust for accurate results.

Product Features
Donaldson's DT cartridge filters are highlighted for their high dirt-holding capacity and low initial pressure drop, with micron ratings down to 2 μm. The Synteq™ media technology is noted for extending filter life and improving system cleanliness.

Applications
The filters are suitable for heavy-duty mobile equipment, in-plant hydraulics, transmissions, and bearing lube oil systems. They are compatible with various competitive applications, including brands like Fairey Arlon, Hydac, Pall, Parker, PTI/Mahle, and Schroeder.

Moisture Control
The T.R.A.P.™ breather technology is designed to minimize moisture in hydraulic systems, extending service life and reducing maintenance costs. It features a thermally reactive barrier that removes moisture at low relative humidity levels.

Case Studies
The document includes case studies from various industries, such as paper mills, power generation, injection molding, and mining, demonstrating the effectiveness of Donaldson's filtration solutions in improving equipment reliability and reducing downtime.

Maintenance and Best Practices
Recommendations for filter storage and handling are provided to prevent contamination. The document advises on proper filter servicing steps, including checking service indicators, releasing system pressure, and ensuring proper installation of new filters.

Environmental Initiatives
Donaldson encourages recycling of used hydraulic filters and is a member of the Filter Manufacturers Council, which promotes proper management of used oil filters.

Additional Resources
The document mentions the availability of Donaldson Academy filter servicing videos on YouTube, providing training on filtration selection and maintenance.

Cartridge Filter Servicing Procedure

Check the filter service indicator to determine if servicing is needed.
Turn off the hydraulic system and release pressure.
Unscrew the cartridge housing and remove the used filter and gasket.
Clean the housing seal area and cap, removing any sediment.
Inspect the new filter for damage and lubricate seals, gaskets, and threads with clean system oil.
Install the new cartridge, align threads, and hand tighten the filter.
Bleed the system and check for leaks.

In-tank Filter Servicing Procedure

Check the filter service indicator.
Turn off the hydraulic system and release pressure.
Remove the housing cover and the used filter, gasket, and spring.
Clean the filter mount, cap, inside of the housing, and cover.
Inspect the new filter for damage and lubricate the filter gasket and cover seal.
Install the new filter and spring, if applicable, and reinstall the housing cover.
Bleed the system and check for leaks.

Donaldson Quality Commitment

Continuous improvement of products, processes, and services.
Complete customer satisfaction and elimination of waste and variation.
Development and empowerment of employees and standardization of processes.
Management responsibility for policy implementation and maintenance.

Low Pressure Filters Overview

Commonly used in hydraulic circuits, especially in return line applications.
Rated for working pressures up to 350 psi (2400 kPa).
Available in in-tank and in-line configurations.

SP15/25 Spin-On Filters

Economical, low pressure filters with spin-on convenience.
Available with bypass ratings of 25 psi, 15 psi, 5 psi, or no bypass.
Options include Synteq™, cellulose, stainless steel wire-mesh, or water absorbing media.
Max flow rate: 30 gpm (114 lpm).

W012 Spin-On Filters

Economical, low pressure filters with spin-on convenience.
Available with bypass ratings of 25 psi or no bypass.
Options include Synteq™, cellulose, stainless steel wiremesh, or water absorbing media.
Max flow rate: 30 gpm (114 lpm).

Filter Specifications

W012 Series: Max flow of 30 gpm (114 lpm). Features include various port sizes, bypass settings, and seal options. The series supports different media ratings, with Western Filter spin-ons replaced by Donaldson spin-on filters.
W015 Series: Max flow of 60 gpm (227 lpm). Offers spin-on convenience with a range of cleanliness ratings. The filters are available with or without bypass, and users can select from different media types, including Synteq™, cellulose, stainless steel wire mesh, or water-absorbing media.
W021/023 Series: Also supports a max flow of 60 gpm (227 lpm). These filters are suitable for high corrosion environments and offer options for gauge or differential pressure indicator ports. The series provides multiple bypass settings and port size options.

Ordering Guide

Each filter series includes a detailed ordering guide with tables specifying options for filter assembly, collapse ratings, port sizes, bypass settings, pressure gauges, and seal materials.
For example, the W015 series offers options like 150 psid collapse ratings, SAE-20 O-ring port sizes, and Buna-N® seal materials.

Performance Data

Performance charts illustrate pressure drop versus flow rate for different filter media and configurations, helping users select the appropriate filter for their application.
Beta ratings are provided to indicate filtration efficiency, with performance to ß<4(c)=1000.

Additional Features

Options for surge control and thermal lockout are available to prevent premature indicator actuation due to pressure surges or cold start-ups.
Electrical and visual indicators are offered for monitoring filter conditions, with various settings and configurations available.

Conclusion
Donaldson's hydraulic filters are highly customizable, allowing users to configure products to meet specific operational requirements. The document provides comprehensive information on specifications, options, and performance data to assist in selecting the right filtration solution.

Specifications
The document outlines specifications for hydraulic filtration systems, focusing on medium pressure filters. It details the use of Buna-N® and Viton® seals, with Buna-N® suitable for petroleum oil applications and Viton® required for diester, phosphate ester fluids, and high water content fluids over 150°F. The filters are designed for various flow rates and pressure drops, with specific models like HMK04/24 and HMK05/25 offering different configurations and capabilities.

Procedures
The document emphasizes the importance of lubricating filter head snouts/posts before installing new filters to prevent thread damage. It also provides guidance on selecting the appropriate filter and head configurations based on application needs, such as charge pump applications.

Performance Data
Performance data is provided for different filter models, including maximum flow rates, pressure ratings, and operating temperatures. The HMK05/25 models are highlighted for high-flow applications, with features like heavy-duty steel bodies and diecast top plates for added strength.

Standards and Ratings
The document specifies working pressures up to 350 psi and rated static burst pressures up to 800 psi. It also includes housing fatigue strength ratings and filter collapse ratings, ensuring reliability under various operating conditions.

Recommendations
Recommendations include using Donaldson’s mix and match system for in-stock heads, housings, and media choices to meet specific filtration needs. The document also suggests using Synteq™ synthetic media for high filtration efficiency.

Key Features
Key features of the filters include a RadialSeal™ design for easier servicing, multi-purpose design for compatibility with both spin-on and cartridge filters, and improved performance metrics such as higher burst and fatigue strength.

Applications
The filters are suitable for various applications, including hydrostatic charge side filtration, pilot circuits, power transmissions, and cooling circuits. The document provides detailed illustrations and part numbers for different configurations and service indicators.

Specifications and Features
1. General Specifications: The fluid level gauges offer 180° visibility and are constructed with a steel frame, acrylic lens, and steel zinc plated bolts. They are designed for a maximum wall thickness of ½" (12.7 mm) and can withstand temperatures up to 225°F (107°C) for SLT models and 180°F (80°C) for SLG models.
2. Material and Construction: Transparent lens material with Buna-N® seals, suitable for pressurized tanks with a maximum working pressure of 14.5 psi (1 bar/100 kPa).
3. Temperature and Pressure: The temperature scale ranges from 35°F to 210°F (0°C to 100°C). Bolt torque specifications are provided to ensure proper installation.

Product Variants and Options
1. Level Gauges: Various models are available with different dimensions and features such as red or blue thermometers, fast mount kits, and protective guards.
2. Options: Include alcohol-resistant versions, Viton seals, and fast mount kits that require no internal access or threads to mount.

Fluid Analysis Program
1. Purpose: The fluid analysis program provides insights into the condition of lubricants and identifies component wear and contamination.
2. Sampling and Testing: Suggested sampling intervals and methods are provided for different equipment types. The program includes tests for metals, water content, viscosity, oxidation, and particle count.
3. Benefits: The program helps optimize filtration performance, extend equipment life, and minimize downtime by identifying potential issues early.

Installation and Maintenance
1. Installation Instructions: Detailed instructions are provided for tightening nuts and bolts, applying thread lock, and ensuring proper mounting.
2. Maintenance Recommendations: Regular fluid analysis and adherence to recommended actions can prevent major failures and extend equipment reliability.

Additional Information
1. Fluid Analysis Reports: Reports provide a graphical representation of fluid cleanliness and include severity color codes for easy interpretation.
2. Data Management: Online access to test results and management reports helps in identifying trends and making informed maintenance decisions.

Understanding the Beta Rating System
This section explains the beta ratio, a formula used to calculate the filtration efficiency of fluid filters based on multi-pass testing. The beta ratio is determined by comparing particle counts in upstream and downstream oil, with a higher ratio indicating better filtration efficiency. The document references ISO, ANSI, and NFPA standards for testing.

Filter Efficiency Standards
ISO 16889 is the current standard for multi-pass tests, replacing ISO 4572. It requires the use of NIST-certified calibration fluid and automatic particle counters for accurate and repeatable results. Beta ratings are reported with a subscript (c) to indicate NIST traceability.

Donaldson Hydraulic Filter Media Beta Ratings
Donaldson provides beta ratings for various filter media, including synthetic, cellulose, and wire mesh. These ratings are based on tests conducted per ISO 16889 standards, with different ratings for different particle sizes.

Cleanliness Level Correlation Table
This table correlates cleanliness specifications with filter performance, highlighting the impact of contamination levels on hydraulic systems. Factors affecting cleanliness include abrasive, erosive, and fatigue wear.

Compatibility of Donaldson Filter Media with Hydraulic Fluids
Donaldson filters are compatible with various fluids, including petroleum-based, fire-resistant, and biodegradable fluids. The document provides recommendations for filter media based on fluid type.

Seal Installation Instructions
Instructions for installing different types of seals (O-Ring, L-Cut, Square-Cut) are provided, emphasizing the importance of proper installation to avoid damage.

Filter Positioning in Hydraulic Circuits
The document discusses optimal filter placement within hydraulic circuits, including in the reservoir, before/after the pump, in the return-line system, and off-line. It highlights the benefits and limitations of different filter types, such as return-line and kidney loop filters.

Catalog excerpts

FILTRATION SOLUTIONS Hydraulic Filtration Product Guide Spin-ons • Cartridges • ln-tank • Low Pressure • Medium Pressure • High Pressure • Duplex • Accessories Donaldson Delivers Performance Under Any Pressure! Clean, dry oil is essential for your equipment. Donaldson Company, a leader in filtration for over 90 years, has proven performance in thousands of applications - offering the industry's largest selection of replacement hydraulic, lube and gear oil filtration products for contamination control.

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Hydraulic Filter Housing Selection Guide Locate the Donaldson model closest to the intersection of the maximum operating pressure and maximum flow rate. If there is not a model at the exact intersection, select the nearest series to the right or above the intersection to ensure a filter that is adequate to handle the maximum operating pressure and flow rate has been selected. Pressure families are color coded in the selection chart for low, medium and high model series. Filter housing styles are identified by their shape. Filter Housing Style Code Spin-on J ln-tank Housing / Cartridge In-line...

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Selecting the Proper Hydraulic Filter Sensitive hydraulic circuits are vulnerable to a variety of contaminants that result in inefficiency, downtime and excessive repair costs. It is important to remember that protecting and maintaining the most sensitive components within a circuit will result in effective contamination control. With the broad range of housing styles and filters available from Donaldson, how do you choose the right filter to reliably protect your systems and equipment? Follow these recommended steps to identify the correct Donaldson filter and parts required for efficient contamination...

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How Donaldson Displays Filter Flow versus Pressure Loss Data Pressure Drop (AP) Correction Formulae To properly calculate pressure loss for viscosity and/or specific gravity, use the filter and housing formulae below to determine the clean filter assembly pressure drop. Filter Correction Calculation ,n, ,„ Universal Viscosity (SSU) „ New Specific Gravity (S.G.) AP Filter = AP from graph X Viscosity (cSt) v New Specific Gravity (S.G.) Housing Correction Calculation AP Housing = AP from graph X Universal Viscosity (SSU) x New Specific Gravity (S.G.) AP Housing = AP from graph X VisCOsity |cSt)...

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FILTRATION SOLUTIONS This publication contains a wide selection of standard, stocked and custom hydraulic housing models and replacement filters for both original equipment manufacturers and stationary equipment that operate in today's mobile and variations on a hydraulic filtration system design, please contact your Donaldson supplier. echnical Reference Guide YouTube® is a registered trademark of Google Inc. PRODUCT INFORMATION Hydraulic Filtration •

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Product Line Overview Comprehensive Hydraulic Filtration Solutions Low pressure filters are the most commonly used type of filter in hydraulic circuits, used most often in return line applications. Donaldson low pressure filters are rated for working pressures up to 350 psi (2400 kPa). In-tank and in-line configurations are available to accommodate virtually Pressure Filtration Medium pressure filters can be used in applications up to 2000 psi (13790 kPa). Donaldson offers both spin-on and in-line cartridge-style filters. Donaldson Duramax® filters are the highest rated medium pressure spin-on...

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Product Line Overview Comprehensive Hydraulic Filtration Solutions Model Series Spin-on Filters ln-tank Filters In-line Cartridge Spin-on Filters rtridge Filters Porting Size Options Page# I 3" SAE 4-Bolt Flange Flange Code 61 SAE-16,-20, -24 0-ring, VÁ" SAE 4-Bolt Flange Code 61 or 62 or VA" Code 61 197

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Product Line Overview Comprehensive Hydraulic Filtration Solutions Off-Line Filtration The Donaldson Filter Cart, Filter Panel and Filter Buddy™ offer convenient off-line filtration, fluid transfer. Use them with your industrial and mobile equipment to achieve and maintain cleanliness levels. Filter Cart Designed with performance, convenience and safety in mind. Includes value-added features to protect your machinery and equipment from breakdowns caused by Filter Panel Provides fixed/mounted offline filtration and a turn-key approach to supplemental filtration. Filter Buddy™ This handheld portable...

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Product Line Overview Comprehensive Hydraulic Filtration Solutions Accessories for hydraulic circuits, lines and reservoirs that will help you maintain proper ISO cleanliness levels. Filter Service Indicators • Service indicators to maximize filter life Hydraulic Line Accessories • Pressure gauges for monitoring system • Hoses and test points for sampling oil and determining ISO cleanliness levels • Flanges to connect components • Valves for system control Reservoir Accessories • Suction strainers help protect pumps from damage • Diffusers for reducing aeration, foaming, turbulence and noise...

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Hydraulic Filtration Solutions OVERVIEW Engineered for Today's Industrial & Mobile Equipment The best solutions for clean, dry oil. Count on Donaldson to have the right filters, contamination control products and services to protect critical components in hundreds of applications – in the factory and on heavy-duty mobile equipment. When you need hydraulic filtration, Donaldson delivers. Low Pressure or Suction Filter Medium or High Pressure Filter Low Pressure or Medium Pressure Return Line Filter Strainer In-Tank Return Filter Breather Full-Product Range Expert Technical Support The industry's...

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Hydraulic Filtration Solutions Engineered for Today's Industrial & Mobile Equipment Performance Under Pressure • Low, medium and high pressure filtration • Hydraulic line and reservoir accessories • Spin-on, cartridge and in-tank style filters • TRAP.™ reservoir breather technology Hydraulic Filter Pressure Gauges High Pressure Hydraulic Filter Off-Line Filtration Filter carts, filter panels and Filter Buddy™ handheld filtration. Water Removal remove entrained water. Vacuum Dehydrators Quick removal of free water, dissolved water, particles

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Hydraulic Filtration

Hydraulic Filtration

Catalog excerpts

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