Automatic-suction pump for use as e.g. centrifugal pump, is used for automatically pumping polluted or consolidated fluid material from supply lines to automatically ventilate supply ducts and tubes

摘要

The pump (P1,P2) is used for automatically pumping polluted or consolidated fluid material from the supply lines (1,2,3) to automatically ventilate the supply ducts and tubes. The pump ensures high dry-run stability, and prevents pumped fluid from going back without having to use a shut-off or return valve.