Electric pump units centrifugal multistage artesian type 12NA and centrifugal multistage artesian type 12NA pumps are designed for pumping oil:- from gathering tanks at oil pumping stations of operating and under construction trunk oil pipelines; - from gathering tanks at the linear part of operating and under construction trunk oil pipelines; - from reinforced concrete tanks at oil pumping stations of operating and under construction trunk oil pipelines. Aggregates and pumps as a part of aggregates are designed for pumping out harmful substances of the fourth and third hazard classes according to GOST 12.1.005-88 and GOST 12.1.007-76. The units and pumps belong to the equipment of group II according to GOST 30852.0-2002 and GOST 31441.1-2011 and are designed for indoor and outdoor operation in explosive zones of class 1 and 2 according to GOST 30852.9-2002 and in all fire-hazardous zones (P-I, P-II, P-IIa, P-III) in accordance with the current "Rules for the device of electrical installations".
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