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Description
Centrifugal borehole electric pump ETsV units (State standard specifications I0428-89E) represent the unit consisting of the centrifugal multistage pump and the submersible electric motor with rigid connection of their shaft.
They are intended for rising of water of mineralizations by the general (the dry rest) of no more than 1500 mg/l, with a hydrogen indicator (rn) 6,5-9,5, with a temperature of 25 °C and with a mass fraction of solid mechanical impurity no more than 0,01%; content of chlorides no more than 350 mg/l, sulfates no more 500-¼ú/l, hydrogen sulfide no more than 1,5 mg/l.
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Artesian pumps (ETsV)
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