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Application filed by Propipe OyfiledCriticalPropipe Oy
Priority to FI973875ApriorityCriticalpatent/FI101729B1/en
Publication of FI973875A0publicationCriticalpatent/FI973875A0/en
Priority to FI970448Uprioritypatent/FI3305U1/en
Application grantedgrantedCritical
Publication of FI101729BpublicationCriticalpatent/FI101729B/en
Publication of FI101729B1publicationCriticalpatent/FI101729B1/en
The invention relates to a control valve intended for controlling the flow of water from a dispersion drain in a sludge separating system. The valve 4 consists of a stub pipe, which is closed at that one of its ends, which is located in the drain, and which has a triangular through-flow opening 9 on the shell surface 8 situated inside the drain. <IMAGE>