Differences between Airless Hydraulic Piston Pumps and Airless Electric Diaphragm Pumps: A detailed analysis by WIT Srl

Discover the Differences between Hydraulic Airless Piston Pumps and Electric Airless Diaphragm Pumps: Key Solutions for Paint and Industrial Finishing

Hydraulic airless piston pumps and electric airless diaphragm pumps are two essential tools in the painting and finishing industry. Both of these machines were designed with the intention of spraying paints, coatings and various other materials at high pressure, without the need for compressed air. Although they share the same purpose, their characteristics and modes of operation vary considerably.

Airless hydraulic piston pumps are distinguished by the fact that they are powered by a hydraulic system. As a rule, they employ an electric motor that is connected to a hydraulic mechanism, which moves a piston pump. Their operation is based on the action of a piston that is advanced and retracted by hydraulic movement, generated through electric current. High strength and the ability to handle dense, viscous materials are two special features of these pumps. This is why airless hydraulic piston pumps are commonly used in heavy industrial tasks, such as painting metal structures or finishing large surfaces.

Advantages of Airless Hydraulic Piston Pumps: Here’s why to choose them
The first reason that makes airless piston pumps an excellent choice is their exceptional power. These machines are capable of spraying high-viscosity paints and coatings with ease. In addition, they are perfect for large industrial jobs due to their ability to cover large spaces in a short time.

However, there are some disadvantages to consider. First of all, airless hydraulic piston pumps require a hydraulic system. This system could lead to greater complexity in management and a higher cost than the alternatives. Secondly, these pumps tend to be heavier than the electric diaphragm versions, making their handling more challenging.

Despite these potential disadvantages, airless hydraulic piston pumps remain a solid choice for many professionals in the industrial painting and finishing industry. If you are considering the purchase of an airless hydraulic pump, you might consider our customised solutions for your specific needs.

Discover Electric Airless Diaphragm Pumps: a practical solution for moderately sized paint jobs

Powered by an electric motor, electric airless diaphragm pumps use an efficient diaphragm mechanism to convey the coating material through the spray nozzle. This type of pump is distinguished by its light weight and portability, ensuring decisive ease of movement in small and medium-sized painting operations. So, if you need to paint walls, furniture, fences or other less extensive surfaces, these pumps might be for you.

Let’s delve into the advantages of electric airless diaphragm pumps:
First of all, they are significantly lighter and more portable, which makes them easy to transfer from one place to another. Secondly, they have relatively lower initial costs than airless hydraulic piston pumps, making them an economical and practical choice.

On the other hand, there are some limitations to consider:
Electric airless diaphragm pumps may not be the ideal option if you have to work with extremely dense or viscous materials, as they may be difficult to handle. Despite this, they remain an effective and cost-effective tool for a wide range of painting applications.

In summary, the choice between the two pumps depends on the specific needs of the application. If heavy industrial work or high-viscosity materials are involved, airless hydraulic piston pumps are definitely more suitable. Conversely, if you need a more portable solution for small to medium-sized painting jobs, electric diaphragm airless pumps might be a better choice.

The selection between Airless Piston Pumps and Airless Electric Diaphragm Pumps reflects the distinct needs of each individual painting project. For demanding industrial tasks or use with high-density materials, airless hydraulic piston pumps, such as the WIT HYDRA, HYDRA BI-MIX, HYDRA TWIN and HYDRA 44000 BI-MIX, and HYDRA MAX 3 models, are undoubtedly the ideal alternative.

If, however, you need a lighter and easily transportable option for small or medium-sized jobs, electric diaphragm airless pumps, such as the WIT BLACK S, BLACK M, BLACK L, and BLACK XL models, may be the most suitable choice. Opting for the right model can revolutionise the end result of your painting project, ensuring efficiency in the process at all times.

Stay informed by exploring our digital magazine.
Discover more articles.