Sealing element for sealing of radial gap between housing of centrifugal pump and impeller of centrifugal pump against material transport, has support element, which is formed as dimensionally stable supporting ring made of plastic or metal
DE102008001814A1
Device for impeller sealing in centrifugal pumps
DE102004059934A1
System to enrich a fluid with a gas, especially aerate water with oxygen, has a jet within the treatment chamber where the oxygen is ripped out by the water flow to form a mist to dissolve the oxygen
WO2004092077A1
Method and device for the treatment of flowable media by means of a filter reactor
DE10351821A1
Treatment of flowable media, especially water treatment, uses upward flow through an inclined filter which can be switched to a downward backwash rinsing mode
DE10044696A1
Process, useful for treating ground water, comprises injecting pressure controlled oxygen into well water and releasing the supply of gas via a porous matrix in a pressure regulated reactor
