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Pump borehole ETsV buy in Tashkent
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Pump borehole ETsV

Pump borehole ETsV

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Uzbekistan, Tashkent
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Description
Pumps ETsV it is borehole electric pump units which are intended for raising of drinking water from artesian wells by the general mineralization (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 than 500 mg/l, hydrogen sulfide no more than 1,5 mg/l.
Pumps ETsV — are carried out submersible and semisubmersible. Submersible pump units in working situation are located entirely under the level of the liquid environment. In semisubmersible units in working situation the pump is located in the liquid environment, and the engine — over its surface.
The unit consists of the asynchronous electric motor, and the multisection centrifugal pump part connected among themselves by the rigid coupling. The rotor of the pump and a rotor of the electric motor rotate in rubber-metal bearings. In the bottom of the electric motor the persistent bearing perceiving axial loading is located. On an entrance to pump part the protective grid filter protecting the pump from hit of large mechanical particles is established. The electric motor which is water filled with a short-circuited rotor, with a synchronous frequency of rotation of 3000 rpm. "The squirrel cage" of a rotor is made of copper. The winding of the stator is executed by a waterproof wire. Cooling of the electric motor is carried out by the pumped-over water.
The unit is connected to a three-phase network of 380 V, 50 Hz through station of management and protection, gredokhranyayushchuyu the electric motor from work in the emergency modes. To make connection the VPV cable the section corresponding to the consumed current.
Installation of these pumps in artesian wells and boreholes defines features of their design: the form, the sizes and an arrangement of a pump housing have to correspond to the sizes and a vertical arrangement of upsetting pipes in which pumps are installed.
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Pump borehole ETsV
Pump borehole ETsV
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