ECV pump is the domestic brand of equipment that is intended for the abstraction of water from a rather deep artesian basins. The production of this equipment on the territory of the Russian Federation is engaged in several companies, but the largest of them became "Livnynasos" and "energokomplekt". To put your product on the equipment market, these firms began 30 years ago. Their devices appeal to this day as they have a high power and affordable price.
The Deep-seated pump ECV - series units of centrifugal multistage type. The design of such units is quite simple and consists of two main elements - a motor and an impeller. These two elements are interconnected by rigid straight coupling. If to speak about a complete set of this pumping equipment, there are also items such as: cable for connection to the electricity feed line, and a control system of an automatic type.
The Casing of this device may be made of materials such as cast iron or stainless steel. If to speak about raw materials for the production of impellers, there may used a polymer, reinforced with fiberglass, stainless steel or with bronze. It should be noted that the second Assembly is used much less frequently. Another distinctive part of the device etsv-pump - two pairs of bearings of different types.
The First type is resistant to the elements, which are located in the lower part of the body, and are intended to protect the electric motor from the offset that may occur due to axial loads. The second kind is a rotary part, which play the role of the locking device. Also they are the main rotating part of the rotor of the motor, and a pumping station.
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ECV-pump provided with a pipe which is designed for attachment to the pipeline bringing the water. Also, this part overlaps the filter of mechanical type. Mesh mounted inside, designed to prevent the ingress of large mechanical debris inside the case. This significantly increases the service life of the device, as the wear of the internal parts is greatly reduced.
There are many models of these devices and depending on belonging to a particular class. The electric pump is capable of speeds of rotation of the impellers up to 3 thousand rpm the engine Cooling in the ECV-pumps at the expense of the environment, which pumps the pump. In order to make this possible, we had to do winding for the stator is completely moisture proof.
Another small but very important detail is the check valve located on the intake pipe. The main task of this element is the preservation of the fluid inside the pump after disconnecting the station from power. Also, this detail prevents the rotation of the motor in the opposite direction.
If we talk about the principle of the downhole and submersible ECV-pumps, they are identical. When energized starts the motor which drives the impeller. This movement causes the inside of the pump housing of the centrifugal force.
ECV-pump has a pretty extensive lineup, which includes more than 50 models. There are two types of connection - flanged or threaded. Near abbreviations ECV there is always a few figures. They indicate the diameter of the casing, which is designed for a pump. For example, the pump etsv-10 is suitable for those wells whose internal diameter is 10 inches. If we talk about the performance for each model, it varies from 4 m3/h to 7 m3/h. Another important characteristics of pumps is the height of the water intake. The maximum for this parameter is 160 meters, which is a lot. It is possible to use aggregates for industrial purposes.
You Should pay attention that there are models such as the ECV 6, which are used for casing pipes with a diameter of 6 inches. A distinctive feature of this model is improved performance, which reaches 17 m3
It is Also important to note that a large number of types divided also according to this parameter, as an indicator of supply. It can be 4 6,5 10, 16, 25 m3/h. These figures feed belong to the line for 6-inch pipes. One of the most popular models of this branch of the instrument was the pump etsv 6 10 80.
Technical parameters include the following parameters:
One of the most powerful devices of this line steel 16 6 6 16 160 and 190. The characteristics of the ECV pumps of these models is the following: productivity they have the same 16 m3/h and are suitable both for 6-inch pipes. These types of units can supply water with pressure from 160 and 190 m, respectively. Their length is 2000 and 2200 mm, and the power of the engine, which is usedreaches 13 kW. The total weight is equal to 100 and 104 kg.
When buying such equipment, it is important to know that diabetes can be operated in conjunction with the station management. Of proven brands that are perfectly suited for such equipment - Susa station and "Cascade". However, often the preference is given to the first category, as the functionality of these devices is much wider than that of any other.
There are three modes of operation:
It is Worth noting that regardless of which mode of operation is activated, the automatic control performs a number of functions. Automatically shutdown the motor when a strong jump in voltage or phase loss power cable. Also disables the pump from working in case if there is too low a level of water inside the working space. Has alarm, alarm of overload or when the pump is in the mode "dry run".
Naturally, the cost of the units will depend on their performance. Higher performance, longer tube, more powerful engine, etc., the greater will be the price. Etsv-pump with not too high technical performance is in the area of 10 thousand rubles. Powerful model, is installed in pipe 10 inches and have high performance, can cost up to 90 thousand rubles and more.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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