WQ Vertical 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;


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Q:Fire pump control cabinet There are 6 pumps, two indoor fire hydrant pumps, two spray pumps, and two outdoor pumps
Indoor fire hydrant pump in addition to remote direct Kai, there are modules to start function, that is, on the cabinet to add control module, bus linkage pump, but also fire hydrant button, direct pumping function, a total of three functions.Outdoor fire hydrant pump in addition to remote direct Kai, but also an electric contact pressure meter detection system, water pressure from the pump and high pressure pump stop function.
Q:Which nuclear submarines use the shaftless pump technology?
Shaftless pumping technology and Simulation of shark skin technology are all the next generation of submarine propulsion technology. At present, there is no submarine in the world.
Q:Is the diaphragm pump and the drain pump one?
Generally composed of actuators and valves.Pneumatic diaphragm pump, which has four kinds of materials: plastic, aluminum alloy, cast iron, stainless steel. The electric diaphragm pump has four kinds of materials: plastic, aluminum alloy, cast iron and stainless steel. Diaphragm pump diaphragm according to different liquid media, respectively, NBR, chloroprene rubber, fluorine rubber, PTFE, poly 46 ethylene to meet the needs. Placed in a variety of special occasions, for pumping various media.
Q:Does the reservoir water heater press the booster pump (high marks)?
If insufficient pressure really, adding an automatic booster pump in the water inlet, is feasible. Home booster pump, a basic model, to sell the place to ask the next to know, generally 200 yuan or so, traffic 0.3-1.8, 90~150 watts on it. Do not buy too large, too much power, the water will also be too large, but the water heater will not be used.
Q:Troubleshooting of diaphragm pump
The ratio of flow to water weight at a specific weight of --68F. 68F water has a specific gravity of 1Static suction head - the vertical distance from the liquid level to the central line of the pump. The pump shall be above the level of the liquid.Vapor pressure the pressure of all the steam on the free surface of the liquid. In any pump operating system, the operating pressure shall not be lower than the vapor pressure, otherwise the steam will be partially or completely cut off into the pump fluid. Viscosity - because of the presence of friction in the fluid, the property of viscosity gives the fluid resistance to flow.Water hammer action -Water hammer is a sudden power failure, or in the valve closed too fast, due to pressure, flow of inertia, produce water shock waves, like hammer hammer, so called water hammer. The force produced by the flow of water shock waves can sometimes be very large, thereby damaging the valves and pumps. Water hammer effect refers to the inside of the water pipe, the pipe wall is smooth, flow freely. When the opening of the valve suddenly closes, the flow of water to the valve and the tube wall, mainly the valve, will produce a pressure. As the pipe wall is smooth, the subsequent water flow in the role of inertia, the fastest reach the maximum and damage, which is the water conservancy "water hammer effect", that is, "positive water hammer.". This factor should be taken into consideration in the construction of water conservancy pipelines. On the contrary, the valve closed in a sudden opening, it will produce water hammer, called negative water hammer, but also a certain destructive power, but not the former big.. Causes and treatment methods of common failures of diaphragm pumps:
Q:What is the pump lift voltage? And how to suppress the pumping voltage rise?
The elevator is mainly used by the power grid through the rectifier, filter, inverter and other transmission to the motor. The motor in high speed when the brake suddenly, but the rotor of the motor with the load (production machinery) mechanical inertia, could not stop quickly, resulting in the back EMF (EU voltage) motor is in the state of power, the reverse voltage and torque original electric state torque instead, and the motor with brake strong torque, forcing the rotor to stop fast but usually AC-DC-AC converter is the main power AC/DC rectifier circuit is irreversible and therefore cannot go back to the grid, energy will be accumulated in the filter capacitor, produce pump voltage, this phenomenon of pump voltage converter has great destructive power.
Q:How can the submersible pump level meter be connected?
The company actively introduce international advanced production equipment and production technology, with its strong technical force, perfect equipment conditions and rich manufacturing practice, constantly development and improvement of pump products, according to the needs of users of innovative products, stable performance, excellent quality, many products export part countries and regions
Q:What kind of motor does the hydraulic pump need?
The motor should be determined according to the work environment, such as 220V.12V.24V.72V or 380V, and then the power.Calculation of actual oil pump power:
Q:How high can the pneumatic diaphragm pump be?
Pump made of polyvinylidene fluoride (PVDF) material two, the series of pneumatic diaphragm pump belongs to the fluorine plastic pneumatic diaphragm pump is also known as the corrosion products of pneumatic diaphragm pump, diaphragm liquid contact using PTFE material, using PVDF material produced by pneumatic diaphragm pump is mainly used in corrosive the pH, mainly used for chemical liquid conveying multiple solvent, corrosion resistance effect is very good. The series of fluorine plastic pneumatic diaphragm pump in high temperature less than 93.3 degrees.POM pump material also has good resistance to solvent and abrasion resistance, low friction resistance, moisture absorption is also low, the highest temperature of such pumps within 65.5 degreesPolytetrafluoroethylene (PTFE) membrane corrosion resistance is very good, in addition to liquid metal lithium, potassium fluoride, sodium fluoride, three chlorine, three fluoride high temperature oxygen, high flow rate, almost all of the chemical liquid transport (including concentrated nitric acid and aqua regia), PTFE material the maximum temperature to 176.6 degrees. However, for the diaphragm pump product as the diaphragm moves back and forth in work, we suggest that at a temperature of 120 degrees, the prerequisite is the pump body pump must be made of metal material and plastic material. The pump is the pump of PVDF material temperature is highest in less than 93.3 degrees.
Q:What's the difference between non negative pressure and variable frequency water pump?
Re pressure to a given pressure pressure zone water supply, than frequency conversion water pump energy savingFrom a health perspective, a water tank variable frequency water pump, water tank and the atmosphere, easy occurrence of water pollution two, no negative pressure equipment without negative pressure tank and pump and valve fittings etc., no water tank, the whole process of water supply of water is completed in a closed system, with air contact to avoid two pollution problems water supply.From the management point of view, no negative pressure is fully automatic intelligent operation, reduce management costs, no water tank, reducing the trouble of tank cleaning. No negative pressure is the upgrading of variable frequency water pump products

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