EPM SEAL SOLUTIONS
High-Performance Sealing Technology
Spring-Loaded Seals:
When Standard Seals Aren't Enough
When standard elastomer and polyurethane seals reach their limits, spring-loaded seals offer an alternative engineered for demanding applications. Discover how material selection and seal design can support equipment performance and reliability.
Talk to EPM About Your Application01 / Understanding the Technology
What Is a Spring-Loaded Seal?
A spring-loaded seal is a sealing solution that uses a spring element to help maintain contact between the seal and its mating surface. These seals are often considered when conventional sealing materials cannot adequately meet an application's operating limits, equipment specifications, or environmental requirements.
At EPM, spring-loaded seals are an important option to consider when engineers need to look beyond standard elastomer-based and polyurethane-based sealing solutions.
02 / Why Consider Them?
When Should You Consider a Spring-Loaded Seal?
Standard seals can perform well in many applications. However, there are situations where their material properties or operating limits may not align with the demands of the equipment.
01
Operating Limits
Consider an alternative when conventional seal materials cannot meet the operating requirements of the application.
02
Equipment Specifications
Some equipment calls for sealing solutions that go beyond standard elastomer or polyurethane options.
03
Environmental Requirements
Application conditions may make a high-performance sealing material a more appropriate choice.
03 / Material Selection
Why Is PTFE Used in Spring-Loaded Seals?
High-performance materials play an important role in spring-loaded seal design. Fluoroplastic PTFE is the most widely used material for these seals because of its outstanding durability.
Material selection still matters. The right choice depends on the physical and technical requirements of the application, not simply on choosing the most commonly used material.
PTFE: A Widely Used High-Performance Material
PTFE is widely used in spring-loaded seals because of its durability and suitability for demanding sealing applications. EPM can help evaluate whether a PTFE-based option is appropriate for your equipment requirements.
04 / Comparing Materials
Carbon PTFE vs. Standard PTFE
Carbon PTFE is another material option used in certain sealing applications. It offers strong physical and technical characteristics, but it has an important distinction: it provides rigidity rather than flexibility.
PTFE
A widely used fluoroplastic material for spring-loaded seals, valued for its outstanding durability.
Carbon PTFE
An option for applications where its strong physical and technical characteristics are suitable. Its rigidity should be considered during material selection.
Not sure which material is appropriate? Contact EPM to discuss your application and sealing requirements.
Get Help Choosing a Seal05 / Common Questions
Spring-Loaded Seal FAQs
What is a spring-loaded seal used for?
Spring-loaded seals are used in applications where standard elastomer or polyurethane seals may not meet operating limits, equipment specifications, or environmental requirements.
Are spring-loaded seals better than standard seals?
Not necessarily in every application. Standard seals work well for many needs, but spring-loaded seals may be a better alternative when application requirements exceed the capabilities of conventional sealing materials.
What material is commonly used in spring-loaded seals?
Fluoroplastic PTFE is the most widely used material in spring-loaded seals because of its outstanding durability.
What is carbon PTFE?
Carbon PTFE is a material option with strong physical and technical characteristics. It offers rigidity rather than flexibility, which should be considered when selecting a seal.
How do I choose the right spring-loaded seal?
Consider the operating limits, equipment specifications, environmental requirements, and material characteristics involved in your application. EPM can help you evaluate the available options.
Can EPM help with spring-loaded seal selection?
Yes. Contact EPM to discuss your application and determine which sealing options may be appropriate for your needs.
Need Help Finding the Right Seal?
Talk with EPM about your equipment and application requirements.
EPM / Sealing Solutions
Find the Right Spring-Loaded Seal for Your Application
Selecting the right sealing solution starts with understanding the demands of your equipment. Whether you are evaluating spring-loaded seals, PTFE materials, or carbon PTFE, EPM can help you explore the options.
Call EPM: 800-659-5050
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