Donaldson Hydraulics

Donaldson Filtration

Hydraulics Online – Supplying you with Donaldson Filtration Solutions hydraulics and Donaldson hydraulic filters and other Donaldson hydraulic equipment and components…

Founded in 1915, Donaldson Hydraulics develops, manufactures, and markets a full line of industrial hydraulic filters for the protection of machinery and components in hundreds of applications, in the factory and on heavy duty-mobile equipment.

Donaldson Hydraulics High Pressure Filters:

Donaldson Hydraulics heavy-duty high-pressure hydraulic filters sit behind hydraulic pumps and other prime movers to protect critical hydraulic components such as hydraulic cylinders, hydraulic motors and hydraulic valves. All contain SYNTEQ® synthetic filter media, specially developed by Donaldson Hydraulics for high efficiency liquid filtration. Working pressures range from 2000 psi up to 6090 psi; static pressures from 4500 psi up to 12000 psi.

FPK02 Series — High Pressure/Low Flow:

  • Working Pressures to 6090 psi / 42 MPa / 420 bar
  • Minimum Burst (Rated Static) Pressure to 9135 psi / 63 MPa / 630 bar
  • Flow Range to 25 gpm / 95 lpm
  • FPK02 is perfect for high pressure, low flow applications.

HPK04 Series – Sturdy workhorse:

  • Working pressures to 6000 psi / 41,400 kPa / 413.8 bar
  • Rated static burst to 12000 psi / 82800 kPa / 827.6 bar
  • Flow Range to 120 gpm / 456 l/min
  • This versatile filter is offered in 2 lengths and has an optional reverse flow check valve.

HPK05 Series – High Pressure/High Flow:

  • Working Pressures to 3000 psi / 20,700 kPa / 206.9 bar
  • Minimum Burst (Rated Static) Pressure to 6000 psi / 41,400 kPa / 413.8 bar
  • Flow Range to 0-200 gpm / 0-757 l/min

HPK03 Series:

  • Working Pressures to 3000 psi / 20,700 kPa / 206.9 bar
  • Minimum Burst (Rated Static) Pressure to 6000 psi / 41,400 kPa / 413.8 bar
  • Flow Range to 0-60 gpm / 0-227 l/min

HPK02 Series – Aluminium Body:

  • Working Pressures to 2000 psi / 13,790 kPa / 137.9 bar
  • Minimum Burst (Rated Static) Pressure to 4500 psi / 31,030 kPa / 310.3 bar
  • Flow Range to 0-20 gpm / 0-75 l/min

Donaldson Medium Pressure Hydraulic Filters: 

Donaldson Hydraulics DURAMAX®, well-known as the highest rated spin-on style hydraulic filters available, are most often used in return-line positions. As spin-ons, they are particularly well-suited for duplex circuits. DURAMAX working pressures range from 350 psi up to 1000 psi; static pressures from 800 psi up to 2000 psi.

HMK03 Duramax: 

  • Working Pressure: 1000 psi / 6895 kPa / 69 bar
  • Static Pressure: 2000 psi / 13790 kPa / 138 bar
  • Flow Range: 0-25 gpm / 0-95 l/min
  • HMK03 offers TWICE the pressure capability of competitive filters, yet is physically smaller than traditional housing/cartridge filter assemblies.

HMK04 (single head) & HMK24 (dual head) Duramax:

  • Working Pressure: 500 psi/3450 kPa/34.5 bar
  • Static Pressure: 1000 psi/6900 kPa/69 bar
  • HMK04 Flow Range: 0-35 gpm / 0-130 l/min
  • HMK24 Flow Range: 0-60 gpm / 0-230 l/min
  • HMK04/24 Duramax models offer high flow capacities, heavy-duty design, and a very wide choice of replacement filters.

HMK05 (single head) & HMK25 (dual head) Duramax — High Flow:

  • Static Pressure: 800 psi/5520 kPa/55.2 bar
  • Working Pressure: 350 psi/2413 kPa/24.1 bar
  • HMK05 Flow Range: 0-50 gpm / 0-189.3 l/min
  • HMK25 Flow Range: 0-100 gpm, 0-378.5 l/min
  • Full-range performance with Synteq® filter media for high-flow applications, with the ease and convenience of a spin-on! The double element head means double flow capability, with two filters to hold more contaminant!

Donaldson Hydraulics Low Pressure Filters:

Low pressure hydraulic filters are the most commonly used type of filter in hydraulic circuits, used most often as return line filters in applications with working pressures up to 150 psi and static pressure up to 300 psi. Donaldson offers flow/pressure combinations to fit most applications. Continuous filtrations of bulk fluids through dedicated off-line circuits or kidney loops helps keep fuel, oil and lubricants clean.

LPS04, SP15/25 –Economical Spin-on, low flow:

  • Working Pressures to 150 psi / 10.3 bar
  • Rated Static Pressure to 300 psi / 20.7 bar
  • Flow Ranges
  • Return: up to 30 gpm / 114 lpm
  • Suction: up to 10 gpm / 38 lpm
  • SYNTEQ©, Cellulose, Wire mesh and Water Removal media choices.

HBK05 – In-line Spin-on, moderate flow

  • Working Pressures to 150 psi / 10.3 bar
  • Rated Static Pressure to 250 psi / 17.2 bar
  • Flow Ranges:
  • Return: up to 60 gpm / 227 lpm
  • Suction: up to 30 gpm / 114 lpm
  • With its heavy-duty steel bowl and SYNTEQ© media, the HBK05 is a popular choice for many industrial applications.

SP50/60 – In-line Spin-on, moderate flow:

  • Working Pressures to 150 psi / 10.3 bar
  • Rated Static Pressure to 250 psi / 17.2 bar
  • Flow Ranges:
  • Return: up to 60 gpm / 227 lpm
  • Suction: up to 30 gpm / 114 lpm
  • SYNTEQ©, Cellulose, Wire mesh and Water Removal media choices.

SP80/90 – Dual Spin-on:

  • Working Pressures to 150 psi / 10.3 bar
  • Rated Static Pressure to 250 psi / 17.2 bar
  • Flow Ranges:
  • Return: up to 120 gpm / 454 lpm
  • Suction: up to 60 gpm / 228 lpm
  • Side by side dual filter configuration, two element lengths. SYNTEQ©, Cellulose, Wire mesh and Water Removal media choices.

SP100/120 – Dual Spin-on:

  • Working Pressures to 150 psi / 10.3 bar
  • Rated Static Pressure to 250 psi / 17.2 bar
  • Flow Range:
  • Return: up to 100 gpm / 378 lpm
  • Space-saving vertical filter configuration, two element lengths. SYNTEQ©, Cellulose, Wire mesh and Water Removal media choices.

TT15/30/60 –Spin-on Tank Top Return Filter:

  • Working Pressures to 100 psi / 6.9 bar
  • Rated Static Pressure to 150 psi / 10.3 bar
  • Flow Range:
  • Return: up to 50 gpm / 189 lpm
  • Cellulose media, convenient tank top mounting.

FIK – In-tank, low flow:

  • Working Pressures up to 145 psi /10 bar
  • Rated Static Pressure to 217 psi / 15 bar
  • Flow: Up to 40 gpm / 150 lpm
  • FIK-low-flow filters are economical models with screw-on caps, ideal for in-tank applications. The head and inlet sit above the reservoir, with the housing in it.

FIK – In-tank, high flow

  • Working Pressures up to 145 psi /10 bar
  • Rated Static Pressure to 217 psi / 15 bar
  • Flow: Up to 211 gpm / 800 lpm
  • The space-saving FIK-high-flow filters have heavy-duty heads, secured to a reservoir top by 2 or 4 bolts.

TI08/12/16 – Tank Immersed Filters, low flow

  • Working Pressures up to 100 psi / 6.9 bar
  • Flow Range: up to 25 gpm / 95 lpm
  • TI series filters save space by mounting into tanks. Elements are easily replaceable through the filter cover. Different bowl lengths and a variety of media choices.

TI25 – Tank Immersed Filters, moderate flow:

  • Working Pressures up to 100 psi / 6.9 bar
  • Flow Range: up to 60 gpm / 227 lpm
  • Variety of media choices for 9” (229 mm) elements. Steel bowl, Buna-N seals standard.

HAK05 – Higher pressure, moderate flow:

  • Working Pressures to 500 psi / 34.5 bar
  • Rated Static Pressure to 1000 psi / 69 bar
  • Flows:
  • Return Line: up to 120 gpm / 454 lpm
  • Suction: up to 30 gpm / 114 lpm
  • Inside-to-outside flow through the cartridge makes this unit perfect for return line filtering in heavy duty applications. Available in two element lengths, several choices of SYNTEQ© or wire mesh media.

HDK06 – higher pressure, moderate flow:

  • Working Pressures to 350 psi / 24.1 bar
  • Rated Static Pressure to 500 psi / 34.5 bar
  • Flow Ranges:
  • Return Line: up to 150 gpm / 568 lpm
  • Suction: up to 50 gpm / 189 l/min
  • Choose from a range of SYNTEQ© media or wire mesh to achieve the cleanliness level you need. Element is installed from the top for user convenience.

HFK08 – Higher pressure, higher flow:

  • Working Pressures to 350 psi / 24.1 bar
  • Rated Static Pressure to 500 psi / 34.5 bar
  • Flow Ranges:
  • Return Line: up to 300 gpm / 1136 lpm
  • Suction: up to 100 gpm / 378 l/min
  • Sturdy, versatile. Available in both in-line and in-tank styles. SYNTEQ© and wire mesh media options, inside-to-outside element flow and a single centre retention bolt for simplified servicing.

HFK08-0087 Kidney Loop Filter:

  • Working Pressures to 350 psi / 24 bar
  • Rated Static Pressure to 500 psi / 34.5 bar
  • Flow: 50 gpm / 190 lpm (Return Line)
  • Our small-port HFK08 is ideal for dedicated off-line circuits (kidney loops) for fluid conditioning.

HEK11 – Low pressure, high flow:

  • Working Pressures to 150 psi / 10.3 bar
  • Rated Static Pressure to 250 psi / 17.2 bar
  • Flow Ranges:
  • Return Line: up to 600 gpm / 2271 lpm
  • Suction: up to 200 gpm / 757 lpm
  • Choose from among 7 media to achieve the cleanliness level you need. The inside-to-outside element flow means safer filter changeout. Element is installed from the top for user convenience. Visual or electrical service indicators for easy monitoring.

Donaldson Hydraulics Accessories:

Donaldson Hydraulics offer an extensive range of hydraulic accessories for hydraulic lines and reservoirs! Finish off your hydraulic circuit with hydraulic filter service indicators, hydraulic pressure gauges, test points assemblies, hydraulic valves, hydraulic flanges, reservoir level gauges, sight glasses, a variety of tank and filler breathers, caps, vents, plugs, strainers, diffusers, magnets and more.

Donaldson Hydraulics Filter Service Indicators: Service indicators — electrical, visual, pressure, or differential – tell you when to change the hydraulic filter. Mount on the filter head or connect remotely to your central control panel.

Donaldson Hydraulics Pressure Gauges: Mechanical bourdon tube pressure gauges with glycerine-filled stainless steel bezels and cases in a variety of face diameters are easy to install for continual monitoring of system pressure.

Test Points: Test points can be used as a connection into the hydraulic system on the suction side, pressure side or return. They allow connection for pressure and temperature transducers and provide ports for fluid sampling so you can monitor system cleanliness. Assemblies, adapters and hoses allow access to hard-to-reach lines.

Hydraulic Valves: In-line check valves to 200 gpm flow, ball valves for low, medium and high pressure (up to 7250 psi), two-way and three-way, standard and T-handle styles, also split flange ball valves.

Port Flanges: For connecting components on a hydraulic line we offer split flanges, gage port spacers, elbow flanges, blanking flanges, 4-bolt NPTF and SAE threaded flanges, flat socket weld and butt weld flanges in a broad range of sizes. O-Ring and flat face models, Schedule 61 and 62 options.

Strainers & Diffusers: Strainers remove larger particulate from the fluid in your reservoir or sump. Diffusers reduce aeration, foaming, turbulence and noise caused by return lines.

Breathers: Available in a wide range of styles, materials and sizes. Breathers provide clean airflow into reservoirs and other storage devices where there is an exchange of air during changing fluid levels. Breather caps with pressure relief and vacuum breakers limit air exchange and provide a positive suction at the pump inlet. Styles include spin-on, filler breathers, bayonet style with dip stick options, pressure filler breather caps and more. Prevent airborne contaminant from entering the tank!

Sight Glasses: Leak-free sight glasses come in plastic or metal for use with a variety of fluids. Steel models work well in high pressure and high temperature applications. In areas of low light, prism lens sight glasses provide quick, accurate readings.

Fluid Level Gauges: Gauges that show the oil level, or the oil level AND oil temperature. Steel and polyamide options. Models suitable for pressurized reservoirs.

Reservoir Magnets: Trap and hold ferrous metal contaminants, typically located in the tank. If not contained, these contaminants will cause collateral damage to significant components!

Caps, Plugs & Vents: Donaldson’s range of plastic plugs, caps and vents are a rare find! They’re great for small power units and gearboxes.

Suction & Return Flanges, Weld Risers: These flanges are designed for tank top mounting and provide a seal to the pipe and reservoir without welding.

Replacement Hydraulic Filters: Donaldson Hydraulics offer a broad selection of hydraulic replacement cartridges and spin-ons. Choose from many different filter media to find exactly the right filter to help you meet the cleanliness requirements for your hydraulic system.

Hydraulics CatalogueVisit our catalogue to see some of the hydraulic components we have within our range. If you can’t find what you’re looking for then call us or complete our Stock Enquiry Form.

Call us now on: +44 (0)845 644 3640 or enquire online and "let us take the pressure!"

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