Fuel Polishing Systems

A Fuel Polishing System is the only environmental answer to contaminated fuel. If you have experienced engine breakdown, fuel starvation, clogged or blocked filters, waxy deposits in your fuel, water in your fuel or for that matter any other contamination in your diesel (or other middle distillate fuel), then you need a fuel polishing system.

Whatever your application (generators, marine vessels, storage tanks, etc) the fuel polishing system is the simple way to ensure you are protected from fuel contamination. By automatically cleaning fuel in storage, you can control and remove bacterial content (the fuel bug) sludge, water and other contaminates - ensuring your fuel is clean and ready for use when you need it most.

The Separ range of fuel polishing systems has now been superseded by our WASP branded, British Manufactured units. Please either click here or on the logo below for more details.

See how WASP fuel polishing works.


To see a selection of units manufactured by WASP PFS Ltd, why not visit the product gallery



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Alternatively, Separ UK are proud to offer a mobile system manufactured in Germany called the MFS-SWK2000/40M/WSA.

This AC or DC powered device is supplied complete with hoses, and can clean fuel at flow rates up to 40 lit/min. 

More details...

For technical or sales assistance with your fuel polishing needs, please contact either Separ UK or our specific Fuel Polishing division WASP PFS Ltd on +44(0)1923 606600 or via email (This email address is being protected from spambots. You need JavaScript enabled to view it.). Or contact us via Twitter 


Need help selecting a filter?

See our guide to help you select the most suitable filter for your needs.

Technical Support

How it works

See how the Separ filter works to separate water and particulate from fuel. 

SWK2000 flow diagram transparancy

How to Order

Call or email us to place your order. We accept ALL major credit and debit cards, bank transfer and also PayPal. 

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Expert advice

Unsure which spare parts you require? Or if a Separ filter will meet your requirements? 

Talk to our expert team. Call 01923 276 007



Delivery options

We have a wide range of shipping options available to suit your destination and budget.



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Contact Us

3 Kingley Park, Station Road, Kings Langley, Herts, WD4 8GW

Tel: +44 (0)1923 276007

Fax: +44 (0)1923 267463

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

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