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SPEL Filter

The SPELFilter is a cartridge filter system that incorporates an upflow treatment process, through a spiral wrapped media configuration that maximises surface treatment area. Flow through the filter cartridges utilises a self-regulating siphon which results in a low maintenance and high performance stormwater treatment. The automatic backwash at the end of each storm event further lengthens the lifespan of the filter.
Hydraulic pressure forces water through the filter media — causing a constant velocity throughout the filter area realising a consistent media contact time and therefore treatment.
Upon completion of a treatment cycle, the filter backwashes and effectively dislodges particulates from the filtration layers. This re-establishes filter media interstitial porosity. The dislodged particles then accumulate away from the filter media allowing easy removal during maintenance.
The SPELFilter range incorporates patented designs which use no moving parts, and in turn generates a true filter media regeneration effect.

The product has been approved by Auckland Council for Private and Public developments (excluding arterial / collector roads).

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Description

The SPEL Filter is a cartridge filter system that incorporates an upflow treatment process, through a spiral wrapped media configuration that maximises surface treatment area. Flow through the filter cartridges utilises a self-regulating siphon which results in a low maintenance and high performance stormwater treatment. The automatic backwash at the end of each storm event further lengthens the lifespan of the filter.
Hydraulic pressure forces water through the filter media — causing a constant velocity throughout the filter area realising a consistent media contact time and therefore treatment.
Upon completion of a treatment cycle, the filter backwashes and effectively dislodges particulates from the filtration layers. This re-establishes filter media interstitial porosity. The dislodged particles then accumulate away from the filter media allowing easy removal during maintenance.
The SPELFilter range incorporates patented designs which use no moving parts, and in turn generates a true filter media regeneration effect.

The product has been approved by Auckland Council for Private and Public developments (excluding arterial / collector roads).

The spiral wrapped media cartridge provides a significantly greater surface contact area to footprint ratio than other filters. With a flow rate of 2.83L/s per cartridge and underground installation, the SPELFilter provides excellent removal efficiency whilst maintaining site surface yield.

  • Small footprint
  • Inorganic filter media (doesn’t leach nutrients)
  • Can be deployed in various drainage structures such as manholes & vaults
  • Contains no moving parts
  • 90% TSS, 54% TP and 36% TN removal

Proven filter media performance. The uniform size filter media provides for higher removal efficiencies than coarser types of media used in other cartridge systems. Also, all SPELFilter media is inorganic — it doesn’t leach nitrogen and other nutrients.

Greater flexibility Due to the greater surface area and high flow capacity, combined with the modular cartridge design, the SPELFilter systems can be deployed in a variety of structures including manholes, precast vaults, or cast-in-place structures.

  • Car Parks & Shopping Centres
  • Council Depots
  • Industrial Estates
  • Heavy Vehicle Maintenance
  • Transport Depots & Loading Bays
  • Tunnels
  • Highways & Transport Corridors
  • Recycling Yards
  • Airport Aprons & Tarmacs

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