Oil & Gas Seals
Chemical Resistant Seals
High Pressure Seals
Coolant Seals
Steam Seals
Standard Seal Compounds
7182 ™ Aflas ® Seals
Viton ® Seals
HNBR Seals
Perflas FFKM Seals
Fast Dash ™
O-ring Application
Design Guide
Elastomer Service Selection Guide
Technical Papers
Metric - Imperial
OringOnline ®
AFLAS O-rings
Seals Eastern, Inc.
Rubber Seals, Gaskets, O-rings
designed and custom molded for the
most demanding applications.

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Custom Molded Rubber Seals of High Performance Elastomers to Precise Tolerances

Seals Eastern manufactures close tolerance rubber and "rubber to metal" bonded seals according to customer specifications. We support our customers with knowledgeable service and product support. Our products are characterized by high quality, prompt delivery, and superior rubber formulations. Our more frequently manufactured seals and products include:
  • O-rings AS-568A, JIS, and BS standard o-rings in addition to any non-standard o-ring of specialty high performance rubber. We mold using individual insert cavities for the tightest tolerance on parting lines available. We specialize in o-rings for - Large Diameter O-rings can be spliced using precision molded oring cord of .103, .139, .210, .224, .275, .375, and .500 inch cross-section. Molded large diameter o-rings are available in standard and custom sizes.
    - O-rings overnight visit OringOnline® for our available supply of Aflas ® and Viton ® O-rings.
  • "Controlled Strain" ™ Gaskets - Our patented "Controlled Strain"™ gasket design enables both high and low pressure sealing on surface pockets of any size and dimension. Our design allows you to establish a low compression set seal in small surface areas.
  • Rubber-to-Metal Seals - We can design, manufacture and deliver typical composite gaskets of silicone (or other appropriate materials) bonded to steel using our Ford Q-1 certified processes.
  • V-rings, U-cups, and D-rings - Standard and non-standard dimensions, any parting line restrictions, manufactured to your specification.
  • Washers & Grommets - We specialize in materials for high temperature, high mechanical load, and high pH applications such as coolant and engine oil seals. Our precision molded washers deliver the lowest compression set available for a rubber seal.
  • Metal Bonded Valve Seats - Any elastomer, any metal, any geometry.
  • Packer Elements - Large volume parts in any elastomer with any profile. We run 24 x 7 for delivery times measured in hours.
  • Slugs / Billets - We mold the highest quality slugs for your lathe cut prototypes and seals. Our slugs are guaranteed to be free of voids. Many sizes are available.
  • Pipe Wiper Darts - The highest quality HSN, HNBR, NBR rubber darts for pipe wipers.
  • Custom Molded Seals - We are able to manufacture any seal design to customer specification.

High Performance Seal Compounds

We specialize in seals molded using high performance elastomers such as Aflas ®, Viton ®, HNBR, FFKM (Perflas ®), Fluorosilicone, and other synthetic polymers. Visit our MATERIALS section on the left hand navigation bar to learn more.

Premium Quality Seals...
For a Cleaner, Safer, More Reliable World.TM

FastDash ™ is a trademark of Seals Eastern, Inc.; OringOnline ® is a registered trademark of Seals Eastern, Inc.; 7182 ™ is a trademark of Seals Eastern, Inc.; AFLAS ® is a registered trademark of Asahi Glass Co., Ltd.; Viton ® is a registered trademark of Dupont Performance Elastomers, LLC.