Mechanical seals and gaskets
In the world of machinery and industrial systems, two of the most essential components are mechanical seals and gaskets. These parts play crucial roles in containing fluids, preventing leaks and ensuring equipment operates at peak efficiency. The gaskets, designed from soft and flexible materials, fit perfectly between pieces to prevent any fluid loss. On the other hand, mechanical seals, widely used in industrial centrifugal pumps, stand out for their ability to work under various conditions, maintaining tightness and protecting the systems from external contaminants. Both components require precision and technical knowledge, and on this page, we offer you a detailed view of their operation, characteristics and relevance in the industrial world.
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Mechanical seal
Mechanical seals are sealing elements used in industrial centrifugal pumps to work with fluids. To ensure proper sealing, factors such as hardness to withstand abrasion and friction, high elasticity to avoid deformations, and a high degree of thermal expansion to reduce mechanical stress must be considered. Mechanical seals are characterized by a rotating shaft passing through a stationary housing or a rotating housing around the shaft. Their function is to contain pressure and prevent the entry of contaminants. - Balanced or unbalanced - Internal mounting or external mounting - Dependent or independent direction of rotation - Variety of materials
Gaskets
Gaskets are soft material pieces placed between two parts to achieve a good fit, preventing fluid loss or entry. In any equipment that handles fluids, gaskets are essential for proper functioning. They are made from relatively soft and flexible materials, formed by a number of rings inserted into a box located between the rotating elements of a machine and its body or casing. The compressive force is transmitted to the gasket, causing its rings to expand radially and seal the equipment. It is important to adjust the gasket correctly and prevent overheating of the rings, which could lead to shaft or sleeve deterioration. Typically, a packing is made in the form of a "braid" of fibers to which lubricant, a possible metal filament reinforcement and a corrosion inhibitor are added.
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