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Donaldson

Donaldson Company is an American multinational that sets the global standard in filtration technology for industrial, mobile and commercial applications. The company, founded in 1915, has built more than a century of experience in developing highly efficient filtration solutions for air, fluids, gases and fuels. Donaldson products are trusted by manufacturers and maintenance companies in the most demanding environments in the world.

The extensive Donaldson product program includes hydraulic filter elements, industrial air filters, fuel filters, oil and separation filters for compressors, and specialized filtration systems for the process industry. The Donaldson Torit series contains industrial dust extraction installations and filtration equipment for dry and wet applications, while the Donaldson Ultrafilter series offers high-quality compressed air filtration for compressed air treatment.

Donaldson hydraulic filter elements are available for all common hydraulic filter housings from Donaldson and other manufacturers. The filter elements are available in various filter fineness values from 3 to 25 micron, with and without bypass valve, and in fiberglass, synthetic material and cellulose versions. The P-series filter elements from Donaldson are the best-known product line and are compatible with a large number of hydraulic filter series.

Verkopershulp.nl is an authorized distributor of Donaldson filtration products and supplies the complete range, including hydraulic filter elements (P series), fuel filters, engine air filters, lube/cartridge filters and pressure filters for compressed air treatment. Most common types are directly available from our European stock for fast delivery to industrial customers and maintenance organizations.

Donaldson also offers complete filtration systems and stations for hydraulic and lubrication oil systems. These systems include filter housings, bypass indicators, differential pressure measurement and automatic bypass valves for continuous and safe filtration operation in critical industrial installations.

History

Donaldson Company was founded in 1915 by Frank Donaldson in Minneapolis, Minnesota, USA. The company started with the production of air filters for early combustion engines and grew into a global leader in filtration technology. Through decisive innovations in filter materials and constructions, Donaldson has revolutionarily improved the efficiency and service life of industrial filtration equipment. Today Donaldson has more than 40 production facilities worldwide, supplies products to customers in more than 100 countries and has revenues of more than $2 billion. The strong focus on engineering and R&D has earned Donaldson the position of one of the most trusted names in industrial filtration technology.

Product Categories

  • Compressor
  • Connector
  • Control Panel
  • Control Valve
  • Controller
  • Cylinder
  • Display & Indicator
  • Drive
  • Filter
  • Hydraulic Pump
  • Meter
  • Motor
  • Pressure Sensor
  • Relay
  • Seal & Gasket
  • Sensor
  • Solenoid Valve
  • Switch
  • Temperature Sensor
  • Transmitter
  • Valve

Applications

  • Hydraulic systems in mechanical engineering and steel industry
  • Lubrication oil filtration in industrial production plants
  • Fuel purification in diesel engines and generators
  • Air filtration in construction machines and earthmovers
  • Compressed air treatment in industrial factories
  • Filtration in compressors and air compression installations
  • Industrial dust extraction in wood and metal processing
  • Process filtration in the chemical and petrochemical industry
  • Oil filtration in wind turbines and energy installations
  • Fluid filtration in offshore and marine systems

Frequently Asked Questions

How do I find the right Donaldson filter element for my installation?
The correct Donaldson filter element can be identified via the article number on the existing element or via the model number of your filter housing. Verkopershulp.nl has an extensive database of Donaldson filter elements and can identify the correct element based on your filter housing brand and model. Also specify the desired filter fineness (micron) and any special requirements.
What is the filter fineness of Donaldson P series hydraulic filter elements?
Donaldson P series hydraulic filter elements are available in filter fineness values of 3, 6, 10, 12, 25 and 40 micron (nominal or absolute filtration rating depending on the type). The most commonly used fineness values for hydraulic systems are 10 micron (for systems with servo and proportional valves) and 25 micron (for standard hydraulic systems). Verkopershulp.nl advises on the correct fineness for your system.
Are Donaldson filter elements compatible with non-Donaldson filter housings?
Many Donaldson filter elements are interchangeable with filter elements from other brands using the same dimensions and connection standards. Verkopershulp.nl can identify a compatible Donaldson alternative based on the dimensions of your existing element. This applies to both hydraulic filter elements and compressed air filters.
How frequently should Donaldson hydraulic filter elements be replaced?
The replacement interval for hydraulic filter elements is primarily determined by the pressure drop across the element (measured via a bypass indicator or differential pressure gauge) and not solely by a fixed time interval. Replacement is necessary at a pressure drop of 3-6 bar (depending on the system). As preventive maintenance, an interval of 1000-2000 operating hours is typically maintained.
Does Verkopershulp.nl also supply Donaldson Ultrafilter compressed air filters?
Yes, Verkopershulp.nl supplies the Donaldson Ultrafilter series compressed air filters and associated filter elements for the treatment of industrial compressed air. These filters remove oil, water, dust and micro-organisms from compressed air for use in instruments, pneumatic systems and spray booths. We supply both the filter housings and the replacement elements.
Can I order Donaldson filter elements for fuel filtration at Verkopershulp.nl?
Yes, Verkopershulp.nl supplies Donaldson fuel filters and filter elements for diesel engines, generators and other fuel-powered systems. The Donaldson P series fuel filters are available as spin-on filters and as separate filter elements for filter housings. Provide the engine brand and model or the Donaldson article number for quick identification of the correct filter.
What is the difference between a nominal and absolute filtration rating for Donaldson filters?
A nominal filtration rating (e.g. 10 micron nominal) means that the filter retains approximately 90-95% of particles larger than that micron size. An absolute filtration rating (e.g. 10 micron absolute, Beta value ≥200) retains 99.5% of particles larger than that size. For critical hydraulic systems with servo or proportional valves, an absolute filter element is required.