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Spring energized seals are designed to handle a wide range of applications where traditional elastomers fail.
Spring energized seals excel in applications with high-speeds, wide temperature ranges and those with corrosive media. The ERIKS brand of spring energized seals, branded SE Seals, are manufactured in our state-of-the-art e-Fab facility.
The SE Seal design is based on three principles:
- High-performance, engineered materials
- U-cup style seal jackets
- Metal spring energizers
When selecting a seal for your application, careful consideration of these three principles will aid in choosing the best spring energized seal for your specific application. Our diverse and experienced technical staff can aid in product selection as well as product development if necessary, allowing us to be your partner not just a seal supplier.
In addition, because ERIKS is an international distribution company, this gives us a natural advantage in logistics know-how as we coordinate 60 operating companies in 13 countries. Market know-how through strong customer relationships helps keep ERIKS on the forefront of industry needs.
Special Configurations
| Section View | Description | Part # Code | Pressure Rating | Application |
|---|---|---|---|---|
 |
High-Speed Rotary Lip Seal |
EX7 | 250 psig | The EX7 series is a low cost, all polymer lip seal. There is no spring energizer as the sealing lip is formed instead of machined yielding low contact forces and running friction. |
 |
Single Contact Anti- Rotation Seal |
EV8 | 3,000 psig | The EV8 series uses a standard cantilever spring loaded U-cup for the I.D. seal but on the O.D. an O-ring is used for the static seal and the anti-rotation mechanism. |
 |
Single Contact Anti- Rotation Seal |
ES8 | 3,000 psig | Similar to the EV8 series but with a spiral pitch spring instead of a cantilever spring. Constant spring force and greater dimensional variances can be handled with this configuration. |
 |
Double Contact Anti- Rotation Seal |
EV9 | 2,000 psig | Similar to the EV8 series but with a contacting lip on both the O.D. and the I.D. as well as an O-ring for anti-rotation. A good choice for smaller cross sections. |
 |
Double Contact Anti- Rotation Seal |
ES9 | 2,000 psig | Same configuration as the EV9 but with spiral pitch spring instead of cantilever spring. The ES9 can handle higher speeds and greater dimensional variances. |
 |
Silicone Filled Spring Groove |
EVS | Up to 10,000 psig |
Used primarily in food and drug applications, silicone fills the spring cavity to prevent entrapment of biological contaminants. Also effective for preventing the seal groove from becoming packed with viscous or solidifying fluids. Only available with cantilever spring. |
 |
Tandem Springs |
EXT | Up to 10,000 psig |
By dividing the seal into two separate seal cavities, much larger hardware cross sections can be accommodated. Available in all three spring types. |
 |
Nested Springs |
EVN | Up to 10,000 psig |
By placing one spring inside another (nesting) greater spring force can be established. This configuration is especially effective in cryogenic services or applications where a high unit load is required. Available with cantilever spring only. |
 |
O-Ring Energizers |
EXO | Up to 10,000 psig |
For applications that require no metal contact with the process fluid an O-ring energizer can be used. Energizers are available in most elastomeric materials to suit the application. |
 |
Flanged Rotary Seal |
EXF | Up to 3,000 psig |
An anti-rotation design for high-speed rotary applications. Special hardware design modifications are required. Consult factory for specifics. Available with cantilever and spiral pitch springs. |
 |
Backup Rings |
EBR | Up to 30,000 psig. |
For use in extreme pressure situations or when the extrusion gap is larger than recommended. Backup rings can be configured several different ways to suit an application. Consult the factory for specifications. |