Contact
  • Hydraulic Brands
  • Product Catalogue
  • Hydraulic Power Packs & System Design
  • Technical Knowledge Hub
  • Ebooks & Resources
  • Industries, Sectors, Markets
  • About Us
    • About Us
    • Testimonials
    • Case Studies
    • Awards, Recognition & Global Trust
    • Official UK Government Export Champions
    • ISO 9001 Quality Management
    • Hydraulics Online Highlights & News
    • Community Action
    • Honoured by His Majesty The King
  • Contact Us

Contact Information

Email: sales@hydraulicsonline.com

UK: 01270 872528

International: +44 (0)1270 872528

Units 2 & 3 Townend Farm
Audley Road
Alsager
Cheshire ST7 2QR
United Kingdom
Language:
Quick Quote

Quick Quote

*required

Drop files here or
Max. file size: 5 MB, Max. files: 3.
    Newsletter SignUp
    Terms & Conditions*

    You can now access our world-trusted expertise and product range, wherever you are, at the click of a button
    Download our app now, keep us at your fingertips and save time in future!

    HomeProductsHydraulic FiltersReturn Line FiltersIn-Line Return Line FiltersDonaldson HPK03 In-Line Cartridge Filters
    Donaldson-HPK03
    Donaldson-HPK03
    Donaldson Donaldson High Pressure Filters High Pressure Hydraulic Filters Hydraulic Filters In-Line Return Line Filters Return Line Filters

    Donaldson HPK03 In-Line Cartridge Filters

    Donaldson HPK03 filters are sturdy in-line cartridge filters, constructed of ductile iron for use in high pressure circuits. They have a cast aluminium head and an impact-extruded aluminium housing for strength and durability at a relatively light weight.

    These filters have a choice of visual or AC/DC electrical indicators and fluorocarbon or nitrile seals. Likewise bypass options are 3.5 bar (50 psi) or no bypass.

    HPK03 filters are suitable for: in-plant systems, mobile equipment and servo valve circuits. Their standard housing drain plug means simplified servicing, while the housing includes a fluoroelastomer head-to-housing seal.

    Maximum working pressures go to 206.9 bar (3000 psi) and rated static burst to 413.8 bar (6000 psi). Their flow range is to 227 litres/minute and operating temperature range is -29°C to 121°C (-20°F to 250°F).

    Download the Donaldson HPK03 Technical Catalogue >>>

    Contact us for further technical details and configuration options.

    Quick Quote Go Back

    Contact Us for further technical details and configuration options.

    Subscribe to our newsletter
    Twitter Facebook LinkedIn YouTube
    • Hydraulics Online
    • About Us
    • Contact Us
    • ISO 9001 Quality Management
    • Community Action
    • Press Enquiries
    • FAQs
    • Discover
    • Product Catalogue
    • All Hydraulic Brands
    • Our Markets
    • Testimonials
    • Case Studies
    • News & Highlights
    • UNSDGs
    • Our Policies
    • Terms and Conditions
    • Privacy Policy
    • Anti-Bribery & Corruption
    • Modern Slavery Transparency Statement
    • Business Partner Code of Conduct
    • Cookie Policy
    • Knowledge & Expertise
    • Hydraulic Power Packs and System Design
    • Fluid Power Technical Knowledge Hub
    • Hydraulic Repairs

    © 2026 Hydraulics Online. All rights reserved.

    Accepted payment methods