Vertical Pipeline Multistage Centrifugal Pump ALDG Series

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ALDG multistage pipeline centrifugal pumps are newly developed products designed and manufactured to the standard of JB/TQ6435-92, destined to meet the users’ requirements and relative fire control standard on the basis of the advanced pump models at home.

  This pump model takes a vertical segmental structure with stainless casing outside, and the inlet and outlet of pump are located on the same horizontal line and are of the same diameters, so that it can be mounted, just like a valve, in pipeline. Combined with the advantage of high pressure of multistage pump, the small occupation space of vertical pump, the easy installation of pipeline pump, and the use of advanced hydraulic model to feature high efficiency, energy conservation, smooth operation etc., as well as wear-resistant mechanical seal to feature leak-tightness and long service life.

  To better meet users’ requirements, we have developed the model of ALDGS of which the outlet is located at the upper part, and the outlet and inlet can be easily mounted to the angles of 0℃, 90℃ and 180℃.

  For make operation safer and more dependable, we have developed detachable structure. Besides all the advantages of ALDG and ALDGS, it makes the replacement of mechanical seal and other wearing parts much easier, faster and labor-saving, making the operation and maintenance more reliable.

This type of pumps is suitable for the circulation and pressurization of cold and hot clean water in high-pressure operation system, water supply under parallel operation of several pumps in high-rise constructions, water supply for fire control and boilers, cooling water system, and the delivery of various washing liquors.

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Q:The difference between submersible pumps and centrifugal pumps
Submersible pump refers to the installation of pumps in the form of motor and pump body are installed underwater. It can be a sewage pump or a clean water pump or other purpose.Sewage pump to see the name will know, that is, playing sewage, you can use submersible pumps, you can also use other forms of pump.
Q:What does water pump mean?
A device that applies power to a liquid and transfers it to where it is needed.
Q:Water pump motor overload
Flow multiplied by the head is powerFlow can reach less than 180 parties, efficiency is reduced, the size of the impeller can be adjustedAnswer the question, add, depends on the structure of the pump, if the vacuum pump, as you imagine
Q:Do you need a stop valve for the pump at home?
Pump used at home do not take the water stop valve, the water level is too low, it can not pump up. In addition, there is no stop valve, not immediately pumping water, will have to wait a short time.The valve is actually a floating ball valve, when water is accumulated to a certain height, the float top, open the valve linkage; row water, reduce the water level, the valve is automatically closed, it realizes automatic drainage to steam pipeline.
Q:Why is the water pump smaller than the pipe diameter?
The size is only a matter of convenience or experience, and a small number of tubes are already available. As long as you can pick it up, you can use it.The so-called thick pipe to reduce resistance is a certain relationship. But it shouldn't be your decision to choose the big one. Then why don't you choose the big three? Four or the thicker ones?! @! The resistance will be smaller!!!!- - - - - - - - - - - - - - layman; look at the knowledge of fluid mechanics!!!The question is a conclusion, explain why not one or two words, learn the knowledge of fluid mechanics to know why -- try to answer it, that is to improve the water pump outlet total pressure head, intuitive feeling is to have enough pressure to pump out the water pressure. As for the big three or four, it is necessary to ensure that the flow velocity in the pipe is more uniform, otherwise the flow near the pipe wall will flow or flow too slowly due to viscous action.
Q:What are the conditions for the series and parallel connection of the pumps?
1, pump series, the two pumps must start and stop at the same time in order to normal operation.2 when the pump is connected in parallel, the two pumps must be equipped with check valve at the same time to operate normally.3, of course, in the election of the pump, should meet the requirements of upstairs said.
Q:Is the motor with a pump a squirrel cage induction motor?
Not necessarily, mussaurus main motor and conventional motor rotor winding is the difference of mussaurus, can be in series with other equipment, to achieve more functionality!
Q:90kw pump star delta start, in the end to use the circuit breaker, AC contactor (Star contactor, angle contactor), what kind of thermal relay?
Imports, such as Schneider, press: plastic case press 250A, contactor select 115 of 2, 95 of 1 can.Domestic recommendations: Press: plastic case press 250A, contactor 160, 2, 115 of the 1 can.
Q:Safety head of water pump?
In fact, to prevent pipeline errors, generally take 0.5 meters margin, just in case the pipeline changes, resistance, and do not smoke Sheung Shui
Q:How many lift pumps should be used for 100 meters tall buildings?
At least 130m guarantee that the top floor customer has 3KG water pressure

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