Seals for corrosive application play a vital role in ensuring the smooth functioning of machinery in industries such as oil and gas, chemical processing, and marine operations. They are designed to prevent leakage of corrosive fluids, which can result in environmental hazards, equipment damage and unscheduled downtime. However, due to the challenging nature of corrosive environments, ensuring optimal seal performance can be a complex task. Here are some tips for improving seal performance in corrosive applications.
1. Choose the right material
When it comes to seals for corrosive application, material selection is crucial. The material should be compatible with the specific corrosive fluid to be sealed. A variety of elastomers, plastics, and metals may be used, and each material has its own unique properties. For instance, Viton® is often used for seals in applications with corrosive chemicals, while PTFE is used in applications with acids and caustics. Consult with seal manufacturers to determine the best material for your specific application.
2. Consider the seal design
Another key factor that influences seal performance is the design. The design should prevent the corrosive fluid from penetrating the sealing surface, while also accommodating the dynamic movement and pressure changes that can occur during operation. There are various seal designs available, such as lip seals, mechanical seals, and O-rings, each having its own unique features and benefits. A thorough understanding of the application requirements is necessary to select the most appropriate seal design.
3. Ensure proper installation
Proper installation of seals for corrosive application is critical. The seal must be installed correctly to avoid damage from excessive stresses and deformation, which can result in leakage. Additionally, proper installation also ensures the correct alignment and clearance between the mating surfaces. It’s important to follow the manufacturer’s installation instructions carefully, and use the recommended equipment for installation tasks.
4. Monitor seal performance
It’s essential to monitor the seal performance regularly to detect any signs of deterioration or damage. Visual inspection of the seal and surrounding areas can give an indication of a possible leak. Any changes in the seal’s performance should be investigated and addressed promptly to avoid unexpected downtime and loss of production. Routine maintenance can prolong the life of seals in corrosive environments.
5. Develop a maintenance plan
Seals in corrosive environments require regular maintenance to prevent failures or leaks. A comprehensive maintenance plan should be developed that details inspection schedules, cleaning procedures, and replacements or repairs needed. This plan should be executed by trained personnel who understand the nature of the corrosive environment and the proper handling of seals.
In conclusion, seals for corrosive applications play a vital role in the smooth operation of machinery in various industries. Proper material selection, design considerations, and installation procedures can improve the performance of seals in these challenging environments. Regular monitoring and maintenance ensure long-lasting and reliable seal performance. By following these tips, businesses can minimize downtime, save costs, and maximize productivity.
Publisher Details:
Specialised Seals and Flow Solutions
https://www.specialised-sfs.com.au/
+61 481 383 019
Specialised Seals and Flow Solutions is the exclusive distributor for Flexaseal Engineered Seals and Systems in Australia. We offer an expansive product line of mechanical seals including single and dual cartridges, split seals, edge welded metal bellows, slurry, gas, mixer, multi-lip, OEM replacement, and custom engineered solutions. We can also provide seal support systems, valves, electric motors, drives, and other process equipment to suit the needs of virtually every industrial process. We only work with leading manufacturers to deliver you a quality outcome in the fastest timeframe possible. What sets us apart is our technical expertise, market knowledge, competitive lead times, responsive customer service and our purchasing power which ensures you get a competitive price. As an independent we can recommend the best option for your application and budget.
