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Dirt Defence Filter


2" DDO-Type

Specification EI 1599 2nd Edition

Dirt Defence Filter (DDO) are designed for the efficient and continuous removal of solids such as rust, sand and other particulates from aviation fuels.

FAUDI Aviation DDO-Type filter elements are primarily used in the filtration of mobile into-plane refueling. Dirt Defence Filters are an economical and reliable alternative to filter monitor elements and its associated SAP* (Super Absorbent Polymer) problem.

Dirt Defence Filters shall be used in conjunction with the AFGUARD® Electronic Water Sensor (EWS). The EWS technology becomes the data source for highest performance and service life of filter elements - we call it simply PerformanceBasedFilterLife™.

Technical Data

  • Qualification: EI 1599 2nd Edition

  • Nominal filtration: According to EI 1599 2nd Edition

  • Flow direction: Out-to-in

  • Changeout differential pressure: 1.5 bar (22 psi) acc. to JIG Standard / 1.0 bar (15 psi) acc. to ATA Specification 103

  • Service time (max.): 60 months*

  • Storage time (max.): 60 months*

  • Operating temperature: -30 °C (-22 °F) / Max. 80° C (176° F)

*Manufacturer recommendation

Standard Design

  • Outside diameter: 50 mm (2 inch)
  • Center tube: Painted steel

  • Gaskets: NBR (Buna-N)

  • End caps: Polyamide, carbon fiber reinforced

  • Labeling: According to EI Specification

Global Standard: Dirt Defence Filters in conjunction with AFGUARD® EWS


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