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Rubber O-Rings Manufacturers and Suppliers

IQS Directory provides a comprehensive list of rubber o-ring manufacturers and suppliers. Use our website to review and source top rubber o-ring manufacturers with roll over ads and detailed product descriptions. Find rubber o-ring companies that can design, engineer, and manufacture rubber o-rings to your companies specifications. Then contact the rubber o-ring companies through our quick and easy request for quote form. Website links, company profile, locations, phone, product videos and product information is provided for each company. Access customer reviews and keep up to date with product new articles. Whether you are looking for manufacturers of flat rubber o-rings, large rubber o-rings, synthetic rubber o-rings, or customized rubber o-rings of every type, this is the resource for you.

  • Chandler, AZ 480-892-7325

    We started back in 1989 as an o ring provider, and we still offer a huge variety of rubber o rings and other products. We are now an o ring expert, and can easily help you find what you need in a sea of overwhelming products. If you would like to find out what makes us different, then you can visit our website or give us a call today!

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  • Sparta, NJ 973-383-2487

    Allied Metrics Seals & Fasteners is an ISO 9001:2015 certified manufacturer and distributor of rubber o-rings, metric seals, oil seals, hydraulic piston seals, pneumatic seals, hydraulic rod seals and more. We also produce and distribute piston seals, rod seals, v-packing, Teflon® parts, buffer rings and backup rings. As your one-stop source for sealing solutions, we provide inexpensive quality seals in all sizes, fast.

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  • Laurel, MD 800-348-9784

    Phelps manufactures, fabricates, and distributes o-rings for many industries worldwide. We have a wide range of both computerized high speed and manual equipment to fulfill the toughest demands. We also have a wide range of compressed, elastomeric and non-elastomeric materials available. Since our founding in 1945, we have taken great pride in our ability to provide quality solutions our customers’ needs. Contact us today!

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  • Greensboro, NC 336-299-2456

    Southern Rubber Company, Inc. was chartered in 1925 as the Carolina’s pioneer rubber company. The primary focus in the early years was oil jobber supplies, automobile tires, hoses and belts. As more industries located in the South, Southern Rubber Company, Inc. began to diversify, and replaced their automobile products with industrial rubber products including hose, gaskets and seals.

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  • Grand Rapids, MI 616-538-4970

    Kent Rubber Supply has been a trusted supplier of o-rings since 1946. Focusing in exceeding customer service, we leverage the best equipment and the most knowledge staff to ensure we meet our customers unique needs. With our trusted experts, we determine the best rubber, foam, sponge or PVC material for your specific need. We continue serving customers both offshore and domestic.

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  • Lancaster, NY 716-684-7600

    Sealing Devices is a leading North American distributor & fabricator of o-rings, gaskets, seals, adhesives and EMI shielding for industrial, aerospace, medical and military applications. Our products can be from our stock inventory or custom made to fit your specific application. We look forward to working with you and finding solutions to your sealing needs. Visit our website today!

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  • Littleton, MA 800-882-3666

    As the largest in-house pure gum inventory carrier in the U.S., Atlantic Rubber Company has cost-effective and resilient rubber tubing. Materials we carry for all your rubber tubing needs are: latex, silicone, pure gum and o-rings. Our natural rubber tubing is cold temperature and abrasion resistant. We are proudly ISO 9001 certified. Contact us today for more information.

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businessIndustry Information

Easing the Fit of Tight O-Rings

One of the many benefits of using o-rings is the sealing power they add to connections in pipes, machines, and even in electronic devices. The rubber o-rings act as a vibration absorber, sealer, and buffer between metal and other materials. Generally, a connection can stay tighter with the use of an o-ring because it gives the connection something to grip and hold the connection which leads to the prevention of lose connections and joints.

However, because of their tight nature and design, fitting a rubber o-ring can be a nightmare. It is possible to spend many minutes tugging and pulling on an o-ring to try to get it to fit over a tight connection. Many o-ring manufacturing companies have solved this problem by creating a lubricant that helps make tight-fitting rubber parts, including o-rings, grommets, seals, and hoses fit easily into place, eliminating the struggle. The lubricants even dry after the assembly of the parts are complete, which means they stay in place after production.

This is highly beneficial for any manufacturing plant that uses o-rings of any kind. The ability to quickly and simply slide o-rings into place without struggle can significantly cut down on assembly time, and even boost the effectiveness of the o-rings by helping them slide into the correct spot with greater accuracy. Any company that uses o-rings on a regular basis can benefit from the use of drying lubrication for o-rings.

Rubber O-Rings

In general, rubber O-Rings are not made of natural rubber but of a variety of synthetic rubbers also known as elastomers. Popular elastomers used to make O-Rings include Viton, Kalrez, Neoprene, silicone, flourosilicone, nitrile, hydrogenated nitrile, polyurethane, ethylene-propylene (EPDM or EPR), silicone, and flourosilicone. Each type of rubber O-Ring has its own specific uses, based on its resistances to chemicals, pressure, and temperature.

A rubber o-ring is just one of many breeds of o-rings; other sub categories include metal o-rings, flat o-rings, large o-rings and metric o-rings. All of these styles were developed because of a need in the industrial world for seals in certain types of systems and machines. When two pieces of a system or machine need to be joined but still be able to be taken apart again, they need an o-ring to be wedged in between the two pieces during assembly. It then serves as a seal in the weakest part of the machine or system, ensuring that no liquid or gas passing through the two pieces will leak. Parts that can be separated are often arranged that way for maintenance purposes. Machines and piping or tubing systems that use sealants are utilized in many industries, including jewelry manufacturers, water treatment facilities, chemical processing plants, food and beverage companies, oil refineries, and the aerospace and automotive industries. Common applications include rocket boosters, earring backings, brake systems, water pipes and heat exchangers.  

Two of the most commonly used synthetic rubbers used to make o-rings are nitrile and Viton. Nitrile o-rings are among the most popular types of o-rings, providing good resistance to oils and fuels. Hydrogenated nitrile is similar to regular nitrile, but it adds the added benefit of being ozone resistant. Viton o-rings are very popular as well, mostly due to their resistance to chemicals and high temperatures; however, they may fail at very low temperatures. Teflon is another synthetic rubber often used in the o-ring industry. It is known for its incredible strength and durability. Rubber o-rings can come in many shapes as well as sizes. For example, flat o-rings are usually square shaped to meet the needs of noncircular piping systems and machines. The ridging of an o-ring also varies, depending on the mouths of the pieces that require it as a sealant. There are basic circular o-rings as well as ones with two or four ridges, and others.
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Rubber O-Rings Informational Video