Series 5000 Static Mixers

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Series 5000 Static Mixers are an open channel version of a Series 3050 low headloss mixer by simply fixing the mixing elements to the floor of the channel, simplifying installation. As there are no moving parts, and the design sheds any ragging or hangups, there is no need for servicing.

This range has all the advantages of the 3050 Series mixer, but is designed to mix fluids in an open channel for flatter hydraulic grade lines.

They are designed to be an alternative for motor driven (shaft and submersible) mixers where there is an exisitng flow due to the process.

The advantages are:

  • Mixes well with minimal, or very low, headloss
  • Customised mixing
  • Affordable custom manufactured in Australia and USA
  • Vanes custom built for channell size
  • Patented vane shape
  • Counter-rotating vortices
  • Upstream nozzle delivers additives to zone of turbulence - side range of additives possible
  • Choice of three levels of mixing with three levels of headloss by choosing number of rows of four "fins" - single, double, or triple stage
  • High performance mixing - CoV of 0.057 or better
  • Published headloss - k-Value of 1.64 or better
  • Accommodates Changing Water Levels and Flow Rates
  • Suitable for Remote Locations
  • Easy to install - bolts to channel bottom
  • Sustainable - no power consumption
  • Reduced maintenance costs (no motors, bearings, oil seals etc)
  • Resits fouling - no ragging and clogging of impellors
  • No moving parts
  • Long service life - FEA proves 40 year plus durability
  • The small (but predictable) hydraulic step can be measured and translated to a flow measurement.
  • CFD reports available
  • Whte Papers available

H2O Rx's engineers will assist with all the engineering, sizing, and specification of the complete design - from concept to reality.

Series Brochure Description Diagram
Series 5000 For mixing in an open channel with flatter hydraulic grade lines and fixing the mixing elements to the floor of the open channel. 5000 Series Mixer

Westfall Static Mixers have predictable headloss co-efficients.

Click Here for a chart that indicates the head loss coeffient of each model.


Westfall Manufacturing Series 5000 Mixers are designed and built to meet your needs:

Common materials for 5000 Series mixers are:

  • FRP
  • 316 stainless steel


  • Water treatment - Chlorine Contact Tanks (CCT's) in both chlorination and dechlorination zones
  • Waste Water Treatment - Mixing Coagulants (eg Ferric Chloride) at the inlet to Primary Sedimentation Tanks (PST's) and clarifiers.

Additional Resources


Get it from the Clouds

(requires internet connection)

Series 5000 Open Channel Static Mixer CFD Report

Colborne STP.

 CFD Report


H2O Rx Pty Ltd


+61 409 784 236


Last Updated: 12 November, 2020