Rotary lobe pumps are equipment that have a more limited compatibility with fluids and greater sensitivity. This is due to its more complex design, which, although it can be used in many applications, has characteristics that make it a riskier choice.
With a higher maintenance cost than a pneumatic diaphragm pump, rotary lobe pumps can also be used in a wide variety of industries and segments, equally resistant to high temperatures. However, comparison with other factors demonstrates that these devices have many disadvantages, especially when compared with pneumatic diaphragm pumps.
Maintenance Process
Its main disadvantage is the possibility of unexpected stops with an expensive maintenance process (in some cases it may be necessary to replace the product).
Reduced lift with thinner liquids
bomb can be grounded pumping liquids For fine lines, rotary lobe pumps may not be the best solution for the industry. Its pumping will vary according to the viscosity of the liquid and the applied pressure. Since this equipment does not handle this type of fluid efficiently, it may not be the best solution for industries that handle this material.
cost of repairs
In their composition, rotary lobe pumps have several rotating parts that are more expensive to manufacture and maintain. To work, it also needs more expensive and delicate seals, which can compromise the process due to leaks.
Due to the sensitivity of their parts, rotary lobe pumps have the highest maintenance cost.
Higher investment cost
Comparing this pump with other efficient solutions on the market, such as pneumatic diaphragm pumps, it has the highest investment cost. That's because, in addition to being a more expensive pump, it also needs specific parts to work, which results in a higher investment course.
Not the best solution for abrasive fluids
Unlike the pneumatic diaphragm pump, rotary lobe pumps have a very intricate and sensitive design, which can favor the incidence of damage to the system and its parts during operation. pumping abrasive fluids.
Cannot run dry for a long time
Dry running can cause destruction to pump components, motors and structure. That's because its internal components depend on the pumped fluid to stay lubricated.
Why choose a pneumatic diaphragm pump?
Pneumatic diaphragm pumps deliver a more efficient, cheaper and easier to maintain solution for industries, delivering more efficiency and flexibility regardless of the fluid being pumped. Its biggest advantages are:
It is a pump that has an excellent suction capacity;
Its sealless design eliminates leaks and failures during operation;
It manages to deliver a smooth and efficient flow, with precise measurements;
Pressure stop function, which prevents damage to the pump in case of blockage or valve closure;
Runs dry without causing any damage to your system, ensuring low maintenance cost
