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Operating Theory of Mixed-flow Pump

Saturday, 08 September 2018 by admin
When the prime mover driven impeller rotation, the centrifugal force of the liquid but also the role of both the axial thrust, centrifugal and axial flow pump is integrated, diagonal liquid outflow impeller. Therefore, it is between centrifugal pump and axial pump.Its head is higher than the axial flow pump. The structure of mixed-flow pump is between
Mixed-flow Pump
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Matters need attention when pump is in operation

Thursday, 30 August 2018 by admin
Pump is activated when the electric pump is running, the rotation should be smooth and free of vibration and abnormal noise, observe whether significant fluctuations around the motor running current and line voltage start. After the motor main circuit is energized, the motor does not rotate if found, should be shut down immediately to prevent
water pump
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How to Maintain Self-priming Sewage Pump

Wednesday, 22 August 2018 by admin
1) Check if the self-priming pump tubing and junction is loose. Turn the pump by hand or tool, then to observe if the sewage pump is flexible. 2) Try to control the inner self-priming pump flow and head on the plate indicated range to ensure self-priming pump at maximum efficiency point operation. Transfer to achieve
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Submersible pump safety requirements?

Tuesday, 14 August 2018 by admin
1. The pump should be placed in a sturdy basket and put into the water, or a strong protective fence should be set up around the pump. The pump should stand upright in the water, the water depth should not be less than 0.5m, and should not be used in the mixed water containing sediment.
Submersible Pumpsubmersible sewage pump
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What situations should stop using the submersible pump immediately?

Wednesday, 04 July 2018 by admin
The choice of the submersible pump before use is very important. Consider the actual situation of the water source, working time, pumping volume, etc., and comprehensively determine the model of the submersible pump selected. Just like the requirements of the environment, it is necessary to have a safe and reliable power supply, the drop of
submersible axial flow pumpsubmersible sewage pump
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Why submersible pumps are stable

Saturday, 02 June 2018 by admin
What inspections need to be done before deep well pump goes down 1. The corresponding plane of the well pipe nozzle protruding from the foundation should not be less than 25 mm; 2. The inner diameter and verticality of the well pipe should meet the requirements of the pump’s entry into the well. The inner
submersible sewage pump
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Submersible pump: pump inspection after assembly

Thursday, 30 November 2017 by admin
After assembling the hub of the pump on the shaft, the verticality and concentricity of the hub and the shaft should be carefully checked. Generally, two dial indicators are arranged on the end surface and the outer circumference of the hub. When the disk drive rotates the shaft, the value of the full run-up (including
sewage pumpSubmersible Pump
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Startup methods of pump

Thursday, 09 November 2017 by admin
The pump transmits the mechanical energy or other external energy of the prime mover to the liquid to increase the liquid energy, which is mainly used to transport the liquid including water, oil and acid-base liquid. Pumps are divided into different categories according to different conditions, and each pump has its own unique method of
sewage pump
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What is the main operating performance of mining submersible pump?

Friday, 03 November 2017 by admin
(1) To ensure smooth flow of the pump, good lubrication. (2) Submersible pump pressure, flow stability, normal temperature in all parts, no high temperature, current stability. (3) Pump runs smoothly without abnormal vibration, noise and so on. (4) Stable operation within the range specified on the nameplate performance index.
Submersible Pumpsubmersible sewage pump
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Whether Submersible sewage pump can withstand high temperature

Wednesday, 25 October 2017 by admin
Some manufacturers will have some very special requirements for their own pumps. Then it is in the procurement, there may be a certain demand for high temperature. If the use of the process, 300 degrees or so there is no way to use the temperature, then he for the overall production, may not play a
Submersible Pumpsubmersible sewage pump
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Nanjing lanshen Pump Corp.LTD., founded in 1958,after 50 years of development, is now a registered capital of 50 million yuan, with assets exceeding 400 million yuan, accounting for area of 280 acres. China’s first submersible sewage pump and mixer in the birth and to fill the gap. Currently has a centrifugal pump, switch type electric control, water treatment equipment for mass production of special machines ability to produce its own sewage plant and pumping station for more than 70% of the equipment.

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