FIELD: non-displacement compressors and pumps.
SUBSTANCE: group of inventions relates to an installation with plastic container (1) and a flow guide component, for example a sewage pumping station. Installation contains plastic container (1) and flow-guiding component with housing (8) made of metal material. Metal casing (8) is connected by rotary moulding to plastic container (1) with geometrical closure.
EFFECT: invention is aimed at providing reliable sealing between component and container, simple installation, operational reliability, economy and long service life.
11 cl, 4 dwg
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