Oil separators are for installation on surface water drainage systems and are designed to prevent hydrocarbons from mixing with surface water and entering drainage systems.
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BFG Commercial supplies a wide range of oil separators including:

​Bypass Separators: used to fully treat all flows generated by rainfall rates of up to 6.5mm/hr

​Full Retention Separators: used to treat the full flow that can be delivered by a drainage system which is normally equivalent to the flow generated by a rainfall intensity of 65 mm/hr

​Forecourt Separators: Used specifically for petrol filling stations and other similar applications

​Washdown and Silt Separators: Used in areas such as car washes, pressure wash facilities or other cleaning facilities