Wärtsilä 31DF MDF Fine Filter (1F05)

Sources:
  • Wärtsilä 31DF Product Guide, DBAE248994, Section 6.4.5.5

The Wärtsilä 31DF MDF Fine Filter (1F05) is identified in the Wärtsilä 31DF Product Guide as a full-flow duplex-type filter with steel net filter elements in the marine diesel fuel oil system.

Technical Data

  • OEM Number: —
  • MPN: —
  • Filter Media: Steel net
  • Micron Rating: 34 µm
  • Engine Family: Wärtsilä 31DF
  • Filter Type: Fuel Oil Duplex Filter

Compatible Engines

Application Notes

The filter has an absolute mesh size of 34 µm (β50 = 75, ISO 16889). It must be installed as near the engine as possible. The pipe diameter between the fine filter and the engine should be the same as the diameter before the filters.

Additional Notes

Design temperature: 50°C. Design pressure: 1.6 MPa (16 bar). Design flow: greater than the feed/circulation pump capacity. Maximum permitted pressure drop at 14 cSt: 20 kPa (0.2 bar) for a clean filter and 80 kPa (0.8 bar) at the alarm limit.

The Wärtsilä 31DF MDF Fine Filter (1F05) is a full-flow duplex-type filter in the marine diesel fuel oil system.