Vertical inline pumps are superior to horizontal inline pumps due to their tolerance to bearing high'temperature and high'pressure and being more effective. Just like that, they possess some advantages as well as disadvantages. In this article, we will discuss some of the pros and cons of a vertical inline pump that you should know if you are considering installing a vertical inline pump for your application.

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Advantages of Vertical Inline Pumps

Elimination of Coupling, Bearing, and Need for Shaft Alignment

Vertical inline pumps do not have a coupling to align, as in close-coupled end suction pumps. The impeller is keyed directly to the motor shaft, eliminating coupling, additional bearing assembly, and the demand for professional shaft alignment.

Less Noise Pollution

Nowadays, companies try their best to avoid noise pollution. In vertical inline pumps, there is less noise and vibration than in any other pumps. This is because, due to the structure of inline pumps, the vertical shaft configuration is naturally balanced, and gravity does not pull with or against the direction of its rotation. As a result, if there is any imbalance, it will remain much less pronounced than in other suction pumps.

Space Friendly

With an inline setting in vertical inline pumps, the pumps are generally smaller in size, require less floor space, and are easy to install.

Save Your Initial Cost

Usually, inline pumps do the same job as base-mounted end suction pumps but at a comparatively lower cost. They produce the same gallon per minute and give the same head performance as other pumps. There is no need for an alignment or base to grout or the need for a suction diffuser or straight pipe; most importantly, as discussed above, they require less floor space. Keeping all these points in mind, they require an overall less installation cost.

Disadvantages of a Vertical Inline Pump

Mechanical Seal Failure

Vertical inline pumps are ideal for fluids that have less amount of particles in them. Sometimes when a liquid with a high concentration of dissolved gases is introduced in these pumps, it might be challenging to handle it. This leads to mechanical seal failure. The pump's performance is sensitive or inversely proportional to the viscosity of a liquid.

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Requirement of Pit and Bucket

Most vertical inline pumps require a pit and a bucket to process, which makes them costly to construct, especially in the case of multi-stage pumps. They also need a large headroom due to their vertical position.

Operational Challenges

Sometimes operational challenges can occur at high suction pressure due to the difficulty of balancing axial thrust with shaft designs overhanging in these pumps.

With the advantages and disadvantages of a vertical inline pump listed, it is essential to weigh the various factors and decide which are the crucial factors for your business before investing in the pump of your choice. 

Pros and Cons of Vertical Pump Motors

Horizontal and vertical pump motors essentially serve the same function, moving fluids from one place to another, but there are several differences in how they operate and situations where they work best.

Floorspace Requirement

Horizontal pumps take up anywhere from 2 to 3 times more floorspace than a similar capacity vertical inline pump. Since vertical inline pumps are typically part of the piping system, they can be suspended as part of the overhead pipes and require far less floorspace (if any) as a result.
Horizontal pumps also require the fluid to change direction in order to flow into the pump which requires more piping and space in order to work properly. Vertical inline pumps are good choices when you do not have a lot of surface area on the ground to work with.

Temperature and Pressure Requirements

Vertical inline pumps are designed to operate at higher temperatures and pressures than horizontal pumps and are ideal for situations involving the transport of high temperature and high-pressure fluids. Because of this design, vertical inline pump motors have a longer pump motor life.

Installation and Maintenance

Horizontal pumps are easier to install and maintain. When an industrial pump repair is needed understand that a vertical inline pump requires a lot of headroom for installation and maintenance and are typically harder to access when repairs are necessary. However, vertical inline pump motors tend to be more reliable and need less maintenance and repairs than horizontal pumps.

Cost

Because of the design and the increased temperature and pressure requirements for vertical pumps they are more expensive than a horizontal pump with similar power and capacity.

Offset the Cost of a Vertical Pump Motor by Using Tekwell Systems

If you need a vertical pump motor fast, Tekwell Systems has them as part of their industrial electric motor asset management program.  Get a new vertical pump motor, complete with a 3-year warranty, and without the excessive lead time and shipping time and cost that getting one from the vendor would entail. For more details contact us at 800 829- or complete our simple online contact form to reach a vertical pump motor specialist right away.

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