HUT52985A - Liquid filtering device
- Google Patents
Liquid filtering device
Info
Publication number
HUT52985A
HUT52985AHU92089AHU92089AHUT52985AHU T52985 AHUT52985 AHU T52985AHU 92089 AHU92089 AHU 92089AHU 92089 AHU92089 AHU 92089AHU T52985 AHUT52985 AHU T52985A
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Filing date
Publication date
Application filed by Energiagazdalkodasi IntezetfiledCriticalEnergiagazdalkodasi Intezet
Priority to HU92089ApriorityCriticalpatent/HUT52985A/en
Publication of HUT52985ApublicationCriticalpatent/HUT52985A/en
The filter comprises the following : the supply pump is provided with a divided discharge pipe. One branch is fitted with the filter valve feeding a deep bed filter, or through the wash valve, a discharge channel. the other branch is fitted with the wash valve feeding the surface filter and deep bed filter in the reverse direction. The wash valves and the filter valves operate together, but the wash valves operate in the opposite sense to the filter valves. The raw water pump suction and the surface filter suction are connected through a pressure control valve. the filter valve supplying the user is arranged with delayed opening, compared with the closure of the wash valves and opening of the filter valve. The surface filter is in the form of a pipe, removable from the deep bed filter discharge