... in municipal, industrial and agricultural water supply. And in terms of pumping equipment article describes information about traditional oilpumps of the (1.2) NC, (1.2) NPS, NSD-E type. Also in the article we describe theproduction of a new design oil pump 2NKand 2NPS type, which Conform to the requirements of API 610. Materials and methods Oil cantilever pumps 2NK type and multistage pumps 2NPS type with longitudinal slot. Сonclusions As a result of these activities increased efficiency pumps ...

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