6.2 Pumping considerations It follows that equal care must be taken to avoid turbulence occurring in pipework eeain the separator Placing a filter on the discharge side of a separator will 'polish the discharge but overloading must be avoided6.2 Pumping considerations • It follows that equal care must be taken to avoid turbulence occurring in pipework feeding the separator. • Placing a filter on the discharge side of a separator will 'polish' the discharge but overloading must be avoided