Large Diameter Sealing Solutions

 

Do You Face Challenges With Large Equipment and Downtime? 

Chesterton has been a trusted leader in designing and manufacturing large diameter sealing solutions for over 50 years. We understand your need to reduce downtime while improving reliability. Chesterton has been designing and manufacturing large diameter sealing solutions across several Marine applications including Marine Thrusters and Propeller Blades, Hydro Turbine Runner Blades, Large Aluminum Extrusion Presses, Rubber Molding Presses, Offshore Loading Arms, and more!

Large Diameter Machined Seal Capabilities

With cutting-edge CNC equipment that can machine seals up to 96” (2440 mm) in outer diameter, we offer industry-leading materials and a wide selection of sealing profiles worldwide. Our split sealing technology makes installation a breeze without disassembling complex equipment. 


Fusion Program

Chesterton’s CNC machines have the capability to produce seals in outside diameters up to 96" inches (2,440 mm). Chesterton also has the ability to fuse weld larger diameter seals with some seals reaching 138 inches (3500 mm) in outer diameter that we have designed and manufactured for our customers in the past . Chesterton can produce seals in virtually unlimited diameters with our fusion program.

Benefits

Partner with Chesterton for state-of-the-art equipment, industry-leading materials, exceptional customer service, and access to the best sealing engineers in the industry. You'll experience:
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Materials

Chesterton’s Large Diameter Sealing Program utilizes industry leading materials such as, Thermoset Polyurethanes, Fluoroplastics, Hard plastics and Elastomers. 

  • AWC 800
    Chesterton’s proprietary thermoset polyurethane has the best abrasion resistance in the industry and is used in high pressure equipment up to 185°F.  Learn more
  • AWC 860
    High temperature polyurethane is used in heavy duty high temperature applications up to 250°F. Learn more
  • AWC 825
    Lower durometer polyurethane offers the best primary sealing capability when installed in our popular 11K Split Seal assembly. Learn more
  • PTFE and PTFE/TFM
    Blends sustain temperatures from as low as -265°F to 500°F.
  • Hard plastics
    PEEK is used in extreme service conditions with high pressures and temperatures up to 500°F.

For more information on our portfolio of material available, please refer to our comprehensive Polymer Seals Selection Guide.

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