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  • Posts tagged "centrifugal pump"

The working principle of centrifugal pump

Monday, 14 October 2019 by admin
The working principle of  centrifugal pump is that when pump is filled with water, centrifugal force generated by the rotation of the impeller, the impeller channel water thrown to the periphery by centrifugal force flows into the pump housing, thus reducing the pressure on the center of the impeller, the pressure is lower than the
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Volume loss of centrifugal Pump

Thursday, 25 May 2017 by admin
Volume loss of centrifugal pump including seal ring leakage loss, balancing mechanism leakage loss and interstage leakage loss. This article describes the seal ring leakage loss. In the entrance of the impeller is a seal ring, when the pump works, because the sealing ring on both sides with pressure difference between the side of the approximately impeller outlet pressure side
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How to improve the efficiency of centrifugal pump

Friday, 16 December 2016 by admin
First, compare various suppliers program when select centrifugal pump, taking into account the premise of cost-effective as far as possible under the high efficiency of the program Second, the presence of a number of professionals in the plant producer, the impact of industrial pump efficiency of key components such as impeller, pump, pump cover, flow
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Centrifugal pump flow unit conversion table

Tuesday, 22 November 2016 by admin
m3/s m3/h ft3/min ft3/h gal/min gal/min L/s 1 3600 2.118880×103 1.271328×105 1.319816×104 1.585032×104 1600 2.777778×10-4 1 0.5885778 35.31467 3.66157 4.402867 0.2777778 4.719475×10-4 1.699011 1 60 6.228839 7.480517 0.4719475 7.865792×10-5 2.831685×10-2 1.666667×10-2 1 0.1038140 0.1246753 7.866792×10-3 7.576812×10-5 0.2727652 0.1605436 9.632614 1 1.200949 7.576812×10-2 6.309020×10-5 0.2271247 0.1336806 8.020836 0.8326748 1 6.309020×10-2 10-3 3.600000 2.118880 127.1328 13.19816 15.85032
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Do you know the history of pump?

Tuesday, 08 November 2016 by admin
The emergence of pumps for human life and production are very important. There are various water lifting devices in ancient times, such as the Egyptian chain pump (before the 17th century), China’s orange (before the 17th century), the pulley (before the 11th century), waterwheel (AD 1 century), and the 3rd century BC Ancient Greece Archimedes
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Lanshen Pump cost-effective products get the favour of all users

Tuesday, 01 November 2016 by admin
In recent years, China’s pump industry has entered the forefront of the world. Of which at least 70% of private enterprises, with a vast market and consumption potential for the development of China’s pump industry the main force. Lanshen group’s products are based on foreign demand for the pump industry, the export side of a
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Balancing mechanism leakage loss

Tuesday, 23 August 2016 by admin
In many centrifugal pumps, it do not balance the axial thrust mechanism: such as balancing holes, balance pipe, balance disc and the like. Since both sides of the balance mechanism there is a pressure difference, which is also a part of the liquid leakage from a high pressure area to the low pressure area. About 5%
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Hydraulic loss of centrifugal pump

Monday, 15 August 2016 by admin
Hydraulic loss of centrifugal pump including shock loss, whirlpool loss and frictional loss. First, the shock loss Each pump has its own design flow, when consumed in the design flow conditions at work, the entrance is down stream into the impeller blades, and therefore does not react with the blade hit the same outlet flow nor the occurrence
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Mechanical loss of centrifugal pump

Thursday, 11 August 2016 by admin
Centrifugal losses includes bearing, shaft seal and the impeller rub against the disk losses. First, the bearings, shaft seal friction loss Pump shaft is supported on bearings within the pump in order to prevent leakage of liquid out, set the seal. When the pump shaft rotates at high speed on friction with the bearing and shaft
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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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