How to select the deep well submersible pump?

1 and the choice of the submersible electric pump Wells with submersible pump selection should comply with the following: (1) the usefulness of deep well submersible pump used for pressure tank water supply should pick flow and high delivery lift Wells with submersible pumps; Used in water tower water supply, according to the water tower and head size, can choose medium flow Wells with submersible pumps; Used for irrigation, the head of appropriate conditions, as far as possible choose large flow Wells with submersible pumps. (2) use conditions in selection before get to know well the basic situation, such as caliper size, perhaps the water yield, sediment concentration, etc. , on the basis of understanding the situation to choose suitable standard of electric pump. It is important to pay special attention to the fresh water pump for water pumps, mix water, the high content of sediment cannot draw more cannot be used to clean out the new well, or you will wear pumps. Motor burn out. (3) the reasonable selection of accessories in Wells with submersible pumps of choose and buy accessories such as cables, protection switch, Yang conduit. Should choose manufacturers supporting the normal product, avoid using left hidden trouble for the future. 1 deep well in front of the device, should carefully read manual use, according to rules of procedure and requirements for devices. Together, but also pay attention to the following points: ( 1) Cable connector cable joint, should choose with resistance to high pressure pump with adhesive tape or formal manufacturers, according to the instructions to them. In the practical work, a lot of tape leakage due to poor insulation function make the cable joint is unqualified, form the pumps will not operate properly. ( 2) Device lift Wells with submersible pumps should be in strict accordance with the rules of lift device, avoid low head, super flow motor overload operation, shorten the using life and even burning motor. Have learned some users when buying pumps, high lift pump head high, buy than device that can make the motor overload, current is large, inefficient, shorten motor using life. ( 3) Device depth device with electric pump well, should be based on the well quicksand, silt condition. Determine the depth of the device of electric pump, may not be pumps into mud, in case the motor cooling bad or sand into the lumen worn bearing and burning motor. Generally shall ensure that the electric water pump base to bottom hole distance of not less than 3 m. ( 4) Motor with water water, should choose the pure water, it is necessary to fill it up with water. The correct water way is: after filled with water, let stand 20 - 30 min。 Add up. Can also be swung motor, speed motor chamber filled with water, especially the large power motor more should pay special attention to. In countryside examination, we found that many motor power motor damage, in particular, because motor caused by a small amount of water, first on the upper guide bearing or holding shaft winding damage, thus burning motor. Therefore, when the electric pump device, should protect motor all inner cavity filled with water. The article content is derived from the network, deleted if there is any question, please contact with me!
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