Have you ever bought a horizontal centrifugal pump Give some advice

1. Pipeline centrifugal pump, used for transporting clean water and other liquids with physical and chemical properties similar to clean water, suitable for industrial and urban water supply and drainage, pressurized water delivery for high-rise buildings, garden irrigation, fire pressurization and equipment supporting, and the use temperature t is less than or equal to 80 degrees Celsius.

2. Hot water high temperature circulating pump is widely used in energy, metallurgy, chemical industry, textile, papermaking, and hotels and restaurants and other boilers for high temperature hot water pressurization circulation transmission and urban heating system circulation pump, ISWR operating temperature T is less than or equal to 120 degrees Celsius, WRG using temperature T is less than or equal to 240 degrees Celsius.

3. Horizontal chemical pump, for conveying liquid that does not contain solid particles, is corrosive, and has a viscosity similar to water, suitable for petroleum, chemical, metallurgy, electric power, papermaking, food, pharmaceutical and synthetic fiber and other departments, and the use temperature t: minus 20 degrees Celsius to 120 degrees Celsius.

4. Horizontal oil pump for transporting gasoline, diesel, kerosene and other petroleum products, with a temperature of 20 degrees Celsius to 120 degrees Celsius. For details, you can go to the official website to see.

Buy appropriate, buy ***!

The difference between horizontal direct-coupled pumps and horizontal centrifugal pumps is mainly due to their different working principles and applications.

The horizontal direct-coupled pump is a positive displacement pump that uses the linkage of an impeller and a screw to suck in and discharge the medium. It is mainly used for conveying high viscosity media and media with high solid particle content, such as sludge, paint, resin, slurry, etc. Compared to centrifugal pumps, horizontal direct-coupled pumps have a stable flow rate and high conveying capacity, but they need to be cleaned regularly to prevent solids from accumulating in the pump and causing clogging.

Horizontal centrifugal pumps use centrifugal force to suck the medium from the inlet and accelerate it, and then push the medium out through the impeller and the flow path of the pump body. It is suitable for conveying low-viscosity and clean liquid media, such as tap water, oil products, chemicals, etc. The horizontal centrifugal pump has a large flow rate and stable conveying, but it has high requirements for the viscosity, density and particle content of the medium-strong pin.

In general, horizontal direct coupled pumps and horizontal centrifugal pumps are used differently, and it is necessary to select the appropriate pump according to the nature of the medium and the transportation requirements.

The appearance is different, the vertical pump is upright and the horizontal pump is horizontal.

The connection form is different, the vertical pump is superimposed from bottom to top, the horizontal pump is arranged longitudinally on the base, the vertical pump is commonly known as the pipeline pump, and the motor and the pump body are connected at the sub-port; The horizontal pump is connected to the motor by coupling, which needs to be aligned regularly.

The floor space is different, the vertical pump occupies a small area and the horizontal pump occupies a large area. The vertical pump unit occupies a smaller area than the horizontal pump, and it is not necessary to lay the foundation; The horizontal pump set is equipped with a base to lay the foundation.

The difficulty of maintenance is different, and the maintenance of vertical pump is difficult, such as the maintenance of the impeller can only be carried out after the upper part needs to be removed; Horizontal pumps, on the other hand, are relatively easy, such as IS-type pumps, which can be overhauled by removing the inlet pipe.

The installation form is different, the vertical pump is an integral connection, and the installation is easier; The horizontal pump needs to be adjusted for accuracy after installation.

Horizontal pumps have an economic advantage over vertical pumps.

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First of all, from performance.

Hydraulics are basically the same, both of which are in the category of centrifugal pumps. Therefore, it is difficult to distinguish the version from the performance.

From the characteristics of the knot structure, the two pumps can be seen from the appearance, but they are different (it seems to be nonsense).

In terms of choice, most people will prefer to use horizontal centrifugal pumps, mainly because horizontal pumps are simple, easy to repair and maintain. The vertical centrifugal pump is troublesome to maintain, and it needs to be lifted every time it is repaired. And the long shaft pump needs to replace the sliding bearing under the liquid for a long time, if it is not replaced, then the consequence that may lead to is that the centrifugal force of the shaft is getting bigger and bigger, resulting in the shaft runout value becoming larger, if it is not replaced in time, it will cause mechanical accidents.

And the installation should ensure that the installation is absolutely horizontal.

Advantages of vertical centrifugal pump:

First, vertical centrifugal pumps are mostly used in the working conditions of underground tanks that cannot be backfilled. Or there is no open space on site to make the foundation for the horizontal centrifugal pump, so the vertical centrifugal pump can only be placed on the tank.

Second, if an ordinary horizontal pump (not a self-priming pump) has a poor self-priming capacity, it is simply not possible to pump the medium out of the tank below. Therefore, horizontal pumps and vertical pumps are not comparable.

There is nothing in terms of function, it just depends mainly on the layout of the venue. and ease of service.

Vertical pump: can be used for empty operation, will not be damaged due to idling, suitable for a variety of acid and alkali resistant circulation, cooling, spraying equipment, exhaust tower, etching machine, electroless plating, no electrolysis and other special occasions, its varieties have dry shaft seal design, can protect the motor, prevent corrosive gas from entering the bearing and causing damage.

Horizontal centrifugal pump: the main body is injection molded with FRPP and PVDF materials. It has self-priming function, strong self-priming, usually called coaxial self-priming acid and alkali resistant pump, suitable for most acid and alkali liquid transportation inlets, should be equipped with a check valve or check valve to prevent the liquid from flowing back when stopping, so that the liquid in the pump is lost, causing idling damage.

The 3-inch caliber model must use a tongue check valve to have self-priming ability.