Japan Platform for Redesign: Sustainable Infrastructure (JPRSI)

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Automatic Siphon Filter(ASF)

Technology / Service Summary

Automatic siphon filter (ASF) is a gravity-type rapid filtration equipment with full-automatic unmanned operation, which requires no automatic operation valve nor flow rate adjustment for filtration and backwash


Mainly used for small scaled water supply plant (public/private sector) and industrial water treatment plant as gravity-type rapid sand filter.


ASF requires no auto valves nor flowrate adjustment for filtration and backwash. It contributes to reduce operation cost (power and manpower) and maintenance cost.



Controlled Substance

Applicable Regions / Countries

  • Japan
  • Southeast Asia
  • ASEAN countries

    Indonesia,Cambodia,Singapore,Thailand,Philippines,Brunei Darussalam,Viet Nam,Malaysia,Myanmar,Lao PDR


We have track records in Japan, Vietnam, Cambodia and Myanmar with its capacity approximately from 1,000m3/d to 7,000m3/d.

Related SDGs Goals

  • 3. Good Health and Well-being
  • 6. Clean Water and Sanitation

Automatic Siphon Filter(ASF)