Rod Seals

A reliable source for Hydraulic Seal information and leading Hydraulic Seal Companies & Manufacturers.

Rod seals are considered the hydraulic seal with the most demanding requirement specifications because they must be the right size, profile and material in order to properly prevent leaks. Read Moreā€¦

Rod Seals Rod seals are important components in hydraulic cylinder design; they guard against external leakage, which hurts the cylinder's performance as well as the environment.

Leading Manufacturers

Sparta, NJ  |  973-383-2487

For over 20 years, it has been our dedication to service and outstanding product quality in all our hydraulic seals that have set us apart. We deliver high quality products every day, including o rings, metric seals, pneumatic seals, Teflon seals, and a whole lot more. We have sealing experts that can optimize each system performance with configurations that will solve your real issues. Contact us today to learn more!

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Allied Metrics Seals & Fasteners, Inc. $$$

Akron, OH  |  877-771-6766

We are not only technically knowledgeable about hydraulic seals, but we also have the hands-on experience to back it up. We have over 30 years of industry experience, and we can use that experience to benefit you. We have faced nearly every problem and know the right solution for most problems. We can offer both stock and custom seals to benefit you. We will always put the customer first, so contact us today!

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Premier Seals Manufacturing $$$

Cleveland, OH  |  800-860-6210

North American Seal & Supply distributes and fabricates a variety of seal and packing products: standard o-rings, metric o-rings, molded and extruded o-rings, gaskets, o-ring kits and more. We can help you find a unique solution to your application, so call us today or visit our website.

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North American Seal & Supply, Inc. $$$

West Jordan, UT  |  800-669-9638

At HydraPak, we make replacing your hydraulic seals easy, so you can get your seal repair jobs completed quickly, saving you time money. Even the most difficult seal repair challenges can be handled by our knowledgeable staff to get your equipment. We offer expertise in products for high-tech applications, as well as the ability to source everything from o-rings to sheet goods to sealing devices.

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HydraPak Seals, Inc. $$$

Chandler, AZ  |  480-892-7325

Our list of inventory has grown since our founding over 20 years ago. We started small, but now offer an extensive product list of hydraulic seals, o rings, and other rubber products. We take pride in what we do, and we inspect every product to ensure it meets our rigorous safety standards. Contact us today so we can get started finding the solution to your problem!

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Arizona Sealing Devices, Inc. $$$
placeholder image Allied Metrics Seals & Fasteners, Inc. Premier Seals Manufacturing North American Seal & Supply, Inc. HydraPak Seals, Inc. Arizona Sealing Devices, Inc.

Rod seals are made of plastic, rubber or Teflon, depending on the type of fluid to which they are exposed, the amount of pressure and whether the cylinder is single acting, meaning the seals receive dynamic pressure from one side, or double acting, meaning the pressure comes from both sides. They are designed for both linear and reciprocating dynamic sealing applications, and they seal pressure between the inner contact surface of the seal and the outer rod surface while the rod is moving linearly under pressure.

Rod Seal Configurations Rod Seals - Allied Metrics Seals & Fasteners

They are used mostly in fluid power equipment applications, including mobile fluid power cylinders, hydraulic cylinders, machine presses and mobile plants within the mining, construction, steel milling, water management and chemical processing industries. They are suitable under low and high pressure, a variety of temperature ranges and are radial and dynamic type of seals.

Rod seals are always press fitted into the housing bore and are contained within moving walls, meaning they must be durable and resistant enough to endure high friction because they are affected greatly by wear and aging as well as changes on the rod surface. They are radial, meaning pressure is applied to both the inner and outer surfaces of the seal.

Rod seals are always round, similar to an o-ring and come in many different shapes and sizes. Their profiles differ considerably, and they may be simple and round, T-shaped, Z-shaped, X-shaped and ribbed, among many other complex profile designs. They fit specifically into the housing bore and their sealing lip always makes contact with the shaft. Rod seals are manufactured three different ways.

They can be extruded and then welded together, which creates a seam, stamped if they have flat profiles or made in a mold. Teflon rod seals must be sintered because Teflon is a material that does not melt. Instead, powder Teflon is heated in a furnace until the powder adheres together and forms a solid product. The seals can be composed of one material or a core material that is coated with a stronger, more resistant substance like Teflon.

Rod Seals Informational Video