Large Diameter Seals and Sealing Solutions

Large Diameter Seals and Sealing Solutions Offered by CDI Energy Products

In addition to our extensive offering of spring-energized seals, bonded seals, and composite seals, CDI is a manufacturer of high-performance, large diameter, polymeric sealing solutions. Our products serve all upstream oil and gas applications.

  • Drilling
  • Well completions
  • Production
  • Distribution

Constructed from a broad range of materials, we develop an array of large diameter sealing components and geometries, such as:

Molding, Machining, and Manufacturing Capabilities

From pressures up to 20,000 psi and temperatures up to 500°F, we bring to market leading-edge sealing solutions to fit the scale and needs of your application using the most reliable materials.  

Material  Molding Capability  Machining Capability
 Thermoplastics Injection molding up to 30" Machining up to 100"
Elastomers Compression molding up to 32" Machining up to 20"
PTFE Compression molding up to 30" Machining up to 100"
Cast polymers Cast to 100" Machining up to 100"

Critical Service, Large Diameter Sealing Solutions

The materials used in our large diameter seals are selected for extreme service conditions. Our material scientists create solutions using in-house proprietary compounds and develop specialized customer blends to achieve performance objectives, that are:

  • NORSOK M-710 approved
  • API 6A- Appendix F Tested
  • Designed for HP/HT environments
  • Fit for high differential pressures
  • Sour service (H2S) tolerant
  • Resistant to chemically aggressive environments 
  • RGD and ED resistant
  • Lubricated and dry wear resistant (dynamic seals)

Suited for subsea systems as well as land-based drilling and production operations, we leverage one of the industry’s broadest material portfolios. It boasts a wide range of elastomers, thermoplastics, and high-performance proprietary compounds.

 Common Materials Used for Large Diameter Seals
  • NBR
  • HNBR
  • EPDM
  • EPR
  • FKM
  • FFKM
  • PTFE
  • PEEK
  • PPS
  • PP
  • PE
  • PA
 Cast polymers
  • PU
  • Nylon

Offering a full range of polymeric materials, NORSOK-approved compounds, and patented formulations, our specialists stay abreast of the very latest advancements in materials science, bringing to market a range of large diameter seals and sealing components designed for your specific application.

Have a design in mind or need help designing the ideal sealing solution? Contact us here.