Mechanical Seals prevent leakages between shafts and housings. They are utilized in many components, such as pumps, mixers and agitators, compressors, tanks, vessels and other rotating devices. Mechanical seals offer many perks, guaranteeing security against dangerous leaking materials and efficient processes.
They are beneficial for high sealing performance and control higher pressures and speeds. They are further classified into Cartridge Seals, Component Seals, and Mixer Agitator Seals.
'The seal market, valued at USD 1.20 billion in 2023, is projected to reach USD 1.75 billion by 2030.' (Fortune Business Insights). No wonder, with the above perks, as seals play a crucial role in enterprises.
Picking the correct seal can impact your system's overall performance, improving efficiency.
Let's dive into the types of Mechanical Seals.
Component Seals
These seals are composed of separate pieces, such as springs and faces. They have a low initial installment cost and are suitable for small pumps. Component seals require manual piece-by-piece assembly and take a longer installation time.
Cartridge Seals
Cartridge Seals is a pre-assembled unit with gaskets, sleeves, and other parts. Installation is fast and easy, requires little skill, and is costlier.
Mixer and Agitator Seals
These seals are specially designed for mixers and agitators. They are often integrated with vertical rotating big shafts that run at lower speeds. They are designed to operate in open tanks in sticky or abrasive media.
Consider the following key factors when selecting a mechanical seal. Here is the breakdown of the factors:
- Process condition: Understand the conditions in your system where the seal will operate, such as pressure, temperature, and media.
- Shafts: Select a seal that can handle shaft misalignments. Consider axial and radial movements and shaft speeds.
- Seal configuration: Single-cartridge seals are perfect for non-toxic applications, while double-cartridge seals are perfect for toxic products.
- Material: The material areas to be considered are: Faces, Encapsulated rings, Gaskets, Springs, Retainers, and Secondary Seals.
- Vibrations: Equipment like a compressor often generates vibrations; thus, seals with stationary springs are preferred to avoid seal face separation.
Wrapping Up
Choosing the proper mechanical seal that delivers smooth, effective, and leak-free operations ensures safety and efficiency. Most cartridge seals are preferred as the most reliable and user-friendly seals. Always match the seals with your industrial needs for better performance.
With over 35 years of industrial expertise, Trisun offers a variety of seals designed with top-notch engineering.
Need help with seal selection?
Contact us today!
About the Author: Shanghai Trisun Parts Manufacture Co., Ltd is a global leader in designing and manufacturing high-performance fluid seals. With over 35 years of expertise, Trisun serves industries such as chemical processing, pharmaceuticals, power generation, water treatment, and automotive manufacturing. Headquartered in Shanghai, the company operates state-of-the-art production facilities in Wenzhou and Shanghai Songjiang Industrial Zone, supported by R&D, Quality Inspection, and Logistics departments.
Certified by ISO9001:2008, ISO14000:2004, and other global standards, Trisun offers innovative sealing solutions, including dry gas seals, agitator seals, cartridge seals, and metal bellows seals. With a strong R&D team and a logistics center in Texas, USA, Trisun delivers customized and high-quality products to over 60 countries, ensuring reliable and efficient operations for its clients worldwide.
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