ROEDIGER VACUUM GMBH
ROEDIGER VACUUM GMBH Patent applications | ||
Patent application number | Title | Published |
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20110214758 | CONTROL SYSTEM - A control system for a purge valve that can be actuated by low pressure, which can be used for a low pressure or vacuum waste water system, encompassing a first valve and a second valve. The purge valve can be actuated as a function of its position, and the accumulated waste water can be drawn off via the sewage system. | 09-08-2011 |