Monarch Industrial Products Filters and Strainers
Eaton Internormen Hydraulic Filters

Replacement Internormen Hydraulic Filter Elements

Internormen (Eaton) hydraulic filtration product line features more than 4,000 high-quality filter elements with a high dirt-holding capacity to ensure consistent filter efficiency and long element life. These elements are available with various filter materials, different construction types and micron ratings to help protect critical system components.

Internormen (eaton) genuine replacement filter elements with highest dirt-holding capacities ensuring consistent filter efficiency, even at high pressure differences. Various filter materials, construction types and micron ratings.

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Microglass (VG)
  • Deep filtration
  • Absolute Filtration
  • High particle holding capacity
  • Best micron rating at high Δp
  • Usable for mineral oils, emulsions and for most synthetic hydraulic fluids and lubrication oils
  • Various grades of filter fineness available (1 VG, 3 VG, 6 VG, 10 VG, 16 VG and 25 VG), other grades of filter fineness on request
  • Special filter design for lubrication applications available (10 API and 25 API)
Paper (P)
  • Deep Filtration
  • Nominal Filtration
  • Constructed of paper and polyester fiber
  • High material stability and strength
  • Available in 10 μm
Stainless steel wire mesh (G)
  • Surface Filtration
  • Nominal Filtration
  • Provides high resistance filter elements (irrespective of the hydraulic fluid used)
  • Partially cleanable
  • Available in 25 μm, 40 μm and 80 μm, other micron ratings on request
ISO Standards:

In addition to proprietary tests developed by Eaton, filter elements are tested according to several ISO Standards:

  • ISO 2941 Verification of collapse/burst pressure rating
  • ISO 2942 Verification of fabrication integrity
  • ISO 2943 Verification of material compatibility with fluids
  • ISO 3723 Method for end load test
  • ISO 3724 Determination of resistance to flow fatigue using particulate contaminant
  • ISO 3968 Evaluation of pressure drop versus flow characteristics
  • ISO 16889 Multi-pass method for evaluating filtration performance
Re-order Code
Each replaceable filter element is stamped with a 6 digit part number. This example cross references part numbers with their Type Code, an alphanumeric description code which describes the characteristics of the filter element.
Code Example
Part Number Type Code
319965 01.E 240.3VG.30.E.P.-
Code Description
01E = Series 01E, Return Line
240 = Nominal Length 240(mm)
3VG = 5 μm, Glass Fibre
30 = 30 bar Δp
E = without by-pass valve
P = Nitrile Seal
- = Standard Spec
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Release: 21:1:1