Sewage Pumps

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Production Introduction:
WQ blockage-free sewage submersible pump(hereinafter as pump) is untegrative motor and pump. Which is manufactured based on absorbing domestic and foreignadvanced technology and advantages. Impeller, designed with hydraulic model and made by precision casting, has the advantages of energy-saving, anti-winding and non-clogging,etc. At the same time, the pumps have a unique effect in the carriage of solid particles and long fibers garbage. Single or dual impeller structure ensures the pump has the higher efficiency when it has bigger flow. So this king of pump is a ideal drainage pumps for industries and cities.

Application:
1. Living waste water discharging
2.Sewage system of municipal works
3.Sewage system in factory and mine corporation
4.Other transportation of none orrosive and diluted medium
5.Temporary floodwater discharging
6.Waste water discharging of public facility
7.Various waterd is chharging system

Work Conditions:
1.Capacity scope:2-1500m³h;
2.System pressure:≤0.6mpa;
3.Medium consistency:≤1.3x10³kg/m³
4.Motor insulation class:IP68;
5.Rotation:clockwise rotation viewed from motor;
6.Rated Speed:970-2900r/min;
7.Head scope: 3-45;
8.Medium temperature:-15℃-+60℃;
9.Medium PH scope:5-9;
10.Motor insulation class:E Grode;

Q:Which nuclear submarines use the shaftless pump technology?: The team led by academician Ma Weiming of China is now carrying out the research on this technology and has achieved initial success.. This technology is expected to be applied to the next generation of domestic submarines.

Q:What does the pump mortar do?: 1: 2 cement mortar or cement mortar with the same proportion of other components except coarse aggregate in the concrete, the pump piston and the inner wall of the pipeline are fully lubricated, and a layer of lubricating film is formed

Q:Concrete pump 125 pipe wall thickness: Concrete pump diameter 125mm, pipe wall thickness is generally 4mm, also have 4.25mm, 4.5mm, 4.75mm, need to be in accordance with the rules of transport.

Q:What is the lift off the dead center point? This is a straight mark about the water pump. What is the function and the relationship between the design head and the pump head? ThanksWhat exactly is the dead point lift? What's the function of this indicator?: Should shut down the valve bar, reduce the flow to increase the point of the head, it is best to adjust within the best range of work, otherwise it is easy to cause the current is too large, burning the motor

Q:Know flow and lift how to calculate the pump power?: N=Q.H.g. P / nN - motor power, kWH - pump head, MQ - pump flow, m^3/sG - gravity acceleration g=9.81

Q:Pneumatic diaphragm pump compressed air pressure is 4 kg, the discharge pressure is how big?: Have to know the ratio, pneumatic pump, if high pressure, you can have 2:1,3:1

Q:Why does the centrifugal pump start with a closed valve and the axial pump starts with an opening valve?: The power of axial flow pump decreases with the increase of flow rate, and it is a steep curve, so the centrifugal pump starts with an open valve.

Q:What's the difference between a centrifugal pump and a centrifugal pump? What are they used for?: Centrifuges are generally used to classify liquids of different densities in liquids.

Q:What is a positive displacement pump? He Weizheng displacement?: The principle and structure of displacement pumps are similar to those of hydraulic motors. Positive displacement is the pump outward to provide flow and pressure, that is, conventional pumps. A negative displacement pump is a hydraulic motor that rotates by external pressure and flow

Q:What is the working pressure of the hydraulic pump in the hydraulic transmission system?: Generally speaking, for the fixed size, not limited equipment, the pressure can be selected lower, walking machinery heavy equipment pressure should be selected higher.If the load is selected, the working pressure is as follows:Load <5kN, working pressure <0.8~1MPa;Load 5~10kN, working pressure 1.5~2MPa;Load 10~20kN, working pressure 2.5~3MPa;Load 20~30kN, working pressure 3~4MPa;Load 30~50kN, working pressure 4~5MPa;Load 50kN, working pressure =5MPa;For example, the system work pressure of various machines is as follows:Grinder 0.8~2MPaModular machine tool 3~5MPaLongmen planer 2~8MPaBroaching machine 8~10MPa agricultural machinery, small construction machinery, construction machinery, hydraulic drilling machine 10~18MPa hydraulic machine, large and medium-sized excavators, heavy machinery, lifting transportation machinery 20~32MPa.

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