Test parameters:

  • Mesh size: 37 micron
  • Quantity: 250 cubic meters of sea water per hour
  • Sampling location: Ballast Water Detecting Laboratory of Shanghai Ocean University, Land-Based Testing Base
  • Viable organisms of > 50 um in minimum dimension before filtering: 19,500 per m³
  • Viable organisms of > 50 um in minimum dimension after filtering: 0 per m³
  • Remarks: SHOU BWDL certify that TWF Co. Ltd. has successfully tested their filter system on the ocean as-is directly from Yangshan Port Shanghai

    with 250m³/h Flow.


    The system from TWF is the unique filter tested the raw water without any sedimentation at this location.

The 2018 Test Report is listed below: