6.6 Coalescing bed-type oily water separators The separator is designed so that it is only necessary to lift the top section 75 mm to gain access to the interior and for full examination, the top half can be moved sideways. This facility enables the separator to be installed between the decks where the headroom is low Steam coils or electric heaters may be fitted to reduce the specific gravity of the oil to aid collection and discharge. Drain and steaming out connections are provided so that the separator can be drained and steamed out before opening up for survey6.6 Coalescing bed-type oily water separators • The separator is designed so that it is only necessary to lift the top section 75 mm to gain access to the interior and for full examination, the top half can be moved sideways. This facility enables the separator to be installed between the decks where the headroom is low. • Steam coils or electric heaters may be fitted to reduce the specific gravity of the oil to aid collection and discharge. Drain and steaming out connections are provided so that the separator can be drained and steamed out before opening up for survey