Washdown and silt separators

Registered white Rewatec logo
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Commercial and municipal solutions icon for wash down separators
Commercial and municipal solutions

Range of tank sizes. 
Efficient removal of silt. 
Assists with oil separation. 

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Built to last icon for rewatec bypass separators
Built to last

Leak-proof design. 
Robust and reliable tanks. 
Durable GRP shells. 

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Eco-responsible option icon for wash down and silt separators
Eco-responsible

Prevents contamination. 
Preserves our environment. 
Maintains our ecosystems.

What are washdown and silt separators?

Silt doesn’t seem like much by itself, but it has the potential to cause serious problems for your drainage system. 

As the separator fills with water, the silt settles at the bottom of the tank below the invert of the pipe. When the water level reaches the outlet pipe, it leaves the separator and continues to the drainage system, leaving the silt in the tank. 

The Environment Agency requires that discharge from washdown applications must discharge to a foul drainage system.   

Example applications 

  • car washes 
  • pressure washing facilities 
  • transportation depots 
  • car dealerships 
  • truck dealerships 
  • farm equipment dealerships 

How do washdown and silt separators work? 

Step 1 

Rewatec washdown separator being installed on site

Contaminated water enters the unit where the heavier solids and silt settle to the bottom of the tank. 

Step 2 

The lighter liquids and hydrocarbons will rise to the surface and be retained within the tank. 

Step 3 

Treated water will exit the separator via the outlet. 

Washdown and silt separators maintenance

​​​​​​We have a network of local service partners to maximise the life of your Rewatec washdown and silt separator and to provide years of reliable operation.

We stand by our products

Rewatec 20 year warranty

For over 50 years, we have proudly developed sustainable and long-lasting products that make a real difference for our customers, our professional partners, and, above all, our planet. 

Our experience in the industry allows us to give you a complete 20-year warranty for Rewatec washdown and silt separators. 

Training programmes 

At Premier Tech we provide a full range of training programmes to fully meet the requirements of our professional partners. If you require product functionality guidance or a more detailed training course for installations, we can provide a solution to meet your needs.   

Contact us for more information 

Available products

We offer single stage washdown and silt separators as standard however two and three chamber separators are available if required. 

Free quote

We are here to help. Request a quote today and our team of experts will be in touch.  

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