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6,000 litre single chamber washdown & silt separator

6,000 litre single chamber washdown & silt separator

CWS Washdown Separator

The Environment Agency’s PPG13 requires that discharge from pressure washers must discharge to a foul drainage system. Where there is no foul drainage available, the effluentmust be contained within a sealed drainage system or catchpit for disposal by a licensed waste contractor. Silt build-up is the main problem with wash down facilities, the Conder CWS range ofwash down and silt separators are used to remove the silt and will allow some separation of hydrocarbons. Detergents that are used in wash down areas will break down and disperse the hydrocarbons, hindering the separation process. Therefore it is important to remember that the main function of wash down separators is to remove silt. Although it is recognised that single stage separators give the most efficient separation, 2 and 3 chamber CWS silt separators are available on request.

Application Areas

  • Carwash facilities
  • Tool hire depots
  • Pressure washer facilities

FST Silt Trap

Large quantities of silt can be associated with wash down areas. The Conder FST silt trap is ideal for easy removal of silt either manually or by a waste disposal contractor. The FST range of silt traps are available with varying grades of covers from B125 up to E600 to allow installation in all types of vehicle or plant wash down facilities.



Capacity: 6
Silt Storage: 3,000mm
Diameter: 1,500mm
Length: 3,636m




Please note that the Environment Agency insists that all separators are, without exception, legally required to be fitted with a robust alarm device to provide visual and audible warning when the level of oil reaches 90 per cent of the oil storage volume under static level conditions. This automatic warning device indicates that the separator is in need of immediate emptying in order for it to continue to work effectively.

Standard pipework on bypass separators will be 150mm, 225mm or 300mm. Please advise of the size of pipework for your separator at point of order.

Orientation for separator pipework is set at a standard 12 o’clock for the inlet and 6 o’clock for the outlet.

Please note all separators should be installed with a concrete surround.

Please click here for full details of alarm systems for separators.  

For full details of the unit and installation instructions, please see the PDF’s below.
files/graphics/filetypes/pdf6,000_ltr_single_chamber_washdown_silt_separator.pdf - 61kb
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files/graphics/filetypes/pdfbypass_washdown_full_retention_separator_brochure.pdf - 508kb
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files/graphics/filetypes/pdfinstallation_instructions_for_separators.pdf - 417kb
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