Comparing linear and circulating pumps

The problem of liquid transfer is one of the challenges that always forces experts to choose different methods to find a suitable solution for it. Today, liquids are transported by pumps. Linear and ground circulator pumps are one of the most important means of transferring liquids in industry and building facilities, which are used according to the type of need and consumption of the project. Next, by comparing the linear and ground circulator pumps, we will understand the reason for the division.
Circulators are one of the most common pumps in air conditioning systems, which are designed to move the energy carrier fluid and the thermal and cooling load of the building. Circulator pumps are usually of the centrifugal type and are produced and supplied in two types, linear and ground, the linear type is usually used in small capacities and the ground type can be used in larger capacities.
To increase information in the field of linear and ground circulator pumps, we have included some materials in this article, please stay with us.
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What is the difference between linear and ground circulator pumps?

Circulator pumps or so-called Sir Kole pumps are used to circulate water in cooling and heating systems and provide the possibility of energy exchange for cooling and heating the building. Circulator pumps are pumps that are used to move fluids in an open and semi-open circuit. Among the differences that can be mentioned between ground and linear pumps:
In linear circulator pumps, the inlet and outlet of the pump are aligned; But the inlet and outlet in the earthen pump are arranged vertically. This has caused the inline pump to be placed in the pipe path without any changes and easily by the spool nut or flange connection, But the ground bag pump needs a suitable chassis and foundation for installation and operation.
_ The material used in these two pump models is different from each other. Therefore, the body of ground pumps is made of cast iron or brass cast iron, and cast iron or steel is used for linear pumps.
_ Both linear and ground circulator pumps have lower speed, head, power, and noise compared to pressure and water supply pumps, but the noise and vibration of the linear circulator pump are even less than the ground type.

What is a linear circulator pump?

Linear circulator pumps are installed in the pipeline, and the flow rate of the pumps is usually between 15 and 500 gallons per minute (GPM), as the power, capacity, and flow rate of the pump increases, the weight of the electric pump increases. These pumps require the connection of a spool nut or flange to be installed in the direction of the pipes. The inlet and outlet of these pumps are at an angle of 180 degrees and in the same direction, which is why linear circulator pumps are used to be placed in the pipe path. They use linear pumps in small to medium capacities for building cooling and heating systems, etc. While these pumps have little vibration and sound, they also occupy little space.

What is a ground circulator pump?

Ground circulator pumps are used in larger capacities in terms of circulating water flow. The ground circulator pump and electric motor are installed on a chassis made of iron, concrete, or cement, which are at least 15 cm high, to have a strong foundation and be higher than the engine room floor. Ground pumps usually have more power than linear pumps, as a result, they have more vibration and noise. This has led to the fact that, in addition to placing seismic rubber in the sub-bases, it is necessary to use a seismic absorber in the path of the heating and suction pipes of ground pumps. Ground pumps are used to circulate water in cooling and heating systems.

Conclusion of the comparison of the linear and ground circulator pump

Circulator pumps are used to transfer the fluid that provides the thermal and cooling load required for buildings and cooling towers and are produced in two types, linear and ground. These pumps often have an RPM of 1450.
Note: To estimate the flow rate of circulating water and to choose the suitable circulator pump for heating systems, you can divide the number of kilocalories (kcal) of the total thermal load by 2500 to determine the flow rate of the pump required for heating the building in terms of GPM, and to estimate the capacity of the circulator pump of the cooling system You can also divide the value (kcal) per hour of the refrigeration load by 5000 to determine the water flow rate in the circulator pump of the building's cooling system in terms of GPM.
Of course, it should be remembered that to convert the cooling load of the building into kilocalories, which is usually obtained in terms of BTU, it is enough to divide the BTU value of the cooling load into 4 categories to determine the cooling load in terms of (kcal).
You can also read the article CIRCULATOR PUMP IMPORTANT TIPS for more information.

Final speech

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