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Bypass separators fully treat all flows generated by rainfall rates of up to 6.5mm/hr. These separators are used when it is considered to be an acceptable risk not to provide full treatment for high flows, for example where only small spillages occur and the risk of pollution is minimal such as short stay car parks. Any flow in excess of the nominal design parameter is allowed to bypass the seperation chamber thus keeping the separated and trapped oil safe.
During the early part of a storm, which is a time of high oil contamination, all of the contaminated water flow passes through a sediment collection chamber and enters the separation chamber through a patented oil skimming and filter device. This ensures that all of the oil proceeds to the separation chamber where it is separated to the Class 1 standard of 5mg/l and safely trapped. As the rain storm builds up to its maximum and the level of oil contamination reduces, the nominal size flow continues to pass through the separation chamber and any excess flow of virtually clean water is allowed to bypass directly to the outlet. Fully compliant to the Environment Agency's PPG3 guidelines and BSEN-858-1-2. Full BSI certification. Environment Agency verified manufacturer.
Conder Clereflo Oil Separators