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pumplast tulev survetoru osa, mille kõrgeim punkt on paisutustasemest kõrgemal, the part of the discharge pipe from the pump which has its highest point above the level of the discharge head
backflow loop . Veevarustuse ja kanalisatsiooniga seotud terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//evkis/backflow%20loop/1/eng (02.07.2026)
