Donaldson Hydraulic Filters Catalog

DURAMAX – HMK 04 Pressure Line Medium Pressure Filters – In-Line up to 34 bar

Mix&Match to Get What You Need Donaldson's Mix&Match system provides the great performance and functional advantages of custom-engineered filters with the convenience and speedy delivery of in-stock parts. Choose your options and build a filter model that exactly suits your cleanliness requirements.

Technical Data

Filter Elements

• Operating pressure up to 3,45 MPa (34,5 bar). • Static spin-on burst resistance 6,9 MPa (69 bar). • Element collapse resistance 2 MPa (20 bar) per ISO 2941. • Cellulose paper: 23 micron. • Synteq ® synthetic media: 7-11-33-50 micron. • Heavy duty steel can with die cast baffle for added strength and a special head-to-spin-on O-ring seal. • Available intermediate length spin-on L=180 mm.

• Operating pressure up to 3,45 MPa (34,5 bar). • Static pressure testing up to 6,9 MPa (69 bar). • By-pass valve setting 170 kPa (1,7 bar) differential per ISO 3968. • Available by-pass valve with setting 350 kPa (3,5 bar) differential. • Operating temperature -20 +120°C. • Pressure fatigue strength per NFPA T3.10.17 0 - 3,45 MPa (0-34,5 bar) for 100.000 cycles. • Compatibility with hydraulic fluids per ISO 2943. • Flow rate and pressure drop determined per ISO 3968 with oil kinematic viscosity 30 cSt at 40°C and density 0,875 kg/dm³.

Hydraulic Filters & Accessories • 119

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