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home » products » spring energized seals » helical spring seals

Helical Spring Energized Seals

Additional Resources


Downloads
  • SE Seals line card
  • SE Seals Design Catalog

Related Products
  • Cantilever Spring Energized Seals
  • Spiral Pitch Spring Energized Seals

Need more information?
  • Contact Us


Helical Spring Energized Seals


When considering a spring energized seal, the spring choice can be very important. Helical spring energized seals are well suited for applications that require tight sealing, such as an environment with light gases.



Standard Designs

 

Section View Description Part # Code Pressure Rating Application
standard lip
standard head
EH1A
EH2A
3,000 psig The EH1A and EH2A series are best suited for very slow or static applications where tight sealing in light fluids and gases is important. Also a very good choice for low pressure applications.
I.D. Scraper
Standard Heel
EH1B
EH2B
3,000 psig Used in reciprocating rod applications with viscous fluids. The scraper lip can also be used to "snap" the seal into stepped glands.
O.D. Scraper
Standard Heel
EH1C
EH2C
3,000 psig Used in reciprocating piston applications with viscous fluids. The scraper lip can also be used to "snap" the seal into stepped glands.
Double Scraper
Standard Heel
EH1D
EH2D
3,000 psig Good for the combination of a stepped gland and reciprocating motion.
Standard Lip
Extended Heel
EH3A
EH4A
10,000 psig Same as EH1A and EH2A series but with greater pressure capabilities.
I.D. Scraper
Extended Heel
EH3B
EH4B
10,000 psig Same as EH1B and EH2B series but with greater pressure capabilities.
O.D. Scraper
Extended Heel
EH3C
EH4C
10,000 psig Same as EH1C and EH2C series but with greater pressure capabilities.
Double Scraper
Extended Heel
EH3D
EH4D
10,000 psig Same as EH1D and EH2D series but with greater pressure capabilities.
Internal Face Seal EH5A 3,000 psig An excellent alternative to elastomers in applications with difficult combinations of temperature and pressure and little to no motion. The EH5A series seals pressure from an internal source.
External Face Seal EH6A 3,000 psig An excellent alternative to elastomers in applications with difficult combinations of temperature and pressure and little to no motion. The EH6A series seals pressure from an external source.

Jacket Materials

Standard Jacket Materials


– for additional jacket materials, please contact us



Material Code Description Typical Applications Temperature Range Coefficient of Friction
E400 Virgin PTFE
Color: White
An FDA compliant, light duty material. Good in light gases and cryogenic applications. -400 to +450 .05 / .08
E471 Graphite Filled PTFE
Color: Black
The graphite filler in this blend acts as a dry lubricant making it a good choice in dry running services. -320 to +475 .06 / .10
E431 Glass/Moly Filled PTFE
Color: Dark Gray
A highly wear resistant blen good for high speed applications on hardened shafts. -250 to +550 .06 / .10
E462 Carbon/Graphite Filled PTFE
Color: Dark Gray
A good material choice for combinations of speed and temperature. -320 to +475 .08 / .12
E491 Ekonol Filled PTFE
Color: Beige
This blend uses a non-abrasisve polymer filler. Best in dynamic applications running against soft metals. -200 to +550 .08 / .12
E282Z Carbon/Graphite/PPS Filled PTFE
Color: Black
Heavy duty material reserved for the most difficult combinations of temperature, speed and pressure. -200 to +550 .08 / .12
E220 Thermoplastic Elastomer
Color: Black
When corrosion resistance and temperature extremes are not the primary concerns TPE is a good choice for tight sealing. -80 to +275 .30 / .60
E010 UHMW-PE
Color: Translucent White
An FDA compliant material with very good wear resistance. -320 to +200 .15 / .25
E020 Acetal
Color: Brown
As a backup ring this material has good extrusion resistance with low water absorption. -70 to +250 .30 / .40
E125 PEEK
Color: Tan
A high-modulus, engineered plastic with excellent thermal and mechanical properties. -100 to +550 .35 / .45


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