Large O-Rings

Product overview

Using an innovative production system based on a conventional compression-step molding process, North Coast Seal is able to provide our customers with large- scale O-rings that do not require joints, vulcanization or glue! This molding system guarantees the highest mechanical properties because the process is controlled by manipulators and specially developed software. This allows us to produce high-quality, high-performance O-rings at competitive prices and at any size you need
Simply choose from our available cross sections (starting at 2.62 mm up to 40 mm), calculate the diameter you need and we’ll produce the O-ring according you your specifications! Perfect for special plants, large machinery/equipment, non-standard applications and more!


✔ Large Dimensions
✔ Competitive Pricing
✔ No Cost for the Molds

✔ No Minimum Quantity
✔ Express Delivery
✔ Personalized, Custom O-Rings


✔ Buna-N (Nitrile)
✔ Viton®∆ (Fluorocarbon)
✔ Silicone
✔ EPDM (Ethylene Propylene)
✔ Chemraz®§
✔ Kalrez®*
✔ Simriz®†
✔ Teflon® (PTFE)
✔ Neoprene*
✔ Natural Rubber

* DuPont Performance Elastomers | § Product of Green Tweed

† Product of Simrit | ‡ Product of ACG Chemicals | ∆ Product of Chemours Company


✔ Hydrogenated Nitrile Rubber ✔ (HNBR)
✔ Aflas®‡
✔ Carboxylated Nitrile
✔ Hypalon® *
✔ Santoprene
✔ Geolast® (Advanced Elastomer System)
✔ Polyurethane
✔ Rubber Urethane

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