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Buffer Ring

Buffer rings are a support product most often used in conjunction with other seal elements to extend total system life. As the name implies, Buffer Rings are unidirectional seals most often employed at the upstream pressure side of a system and buffer other components from pressure overloads. In service, cylinders can experience external shock loads that cause pressure spikes in excess of system pressure. Due to the asymmetrical design, Eclipse Buffer rings will knock down momentary spikes allowing a small amount of fluid by, which then gets dragged back into the system during the return stroke. Because of this back flow phenomenon, Eclipse buffer rings can also be used in tandem without concern of pressure trapping effects. Available in rod and piston configurations.

What you'll get out of these product modules

Our product modules offer an in-depth step-by-step guide to help make choosing and ordering the right product for your project easy.

With every product module you’ll receive the following:

Introduction to the product and a typical range of applications including temperature, pressure, velocity and media.

Detailed ordering examples and product illustrations.

Chart of standard seal materials including eclipse material code, description, color and applications.

Chart of standard part numbers including part number, rod Ø, groove Ø, groove width and o-ring dash size.

Hardware details including a cross section series, min rod ø for solid gland installation, r radius (max) and c lead-in chamfer (min).

View product specs:

Problem Solving

We offer custom solutions to a wide variety of seal needs that span various industries, from aerospace to automotive to mountain bike design.

Quality Products

Eclipse was the first supplier to offer a full range of materials that meet the latest SAE spec AMS3678, which requires a high degree of testing and certification to meet the needs of our most discriminating customers.

Fast Turnaround

We understand your time is valuable. That’s why we work to get your product designed and delivered fast, eliminating downtime and saving you money.

Competitive Pricing

We stay ahead of the game with the best prices for the best quality of product in the industry.

Why Choose Eclipse?

Eclipse was founded under the premise that if we could solve enough of our customers’ problems they would continue to come back to us for solutions regardless of the type of products we offered.

Eclipse has evolved to produce standard product o-rings for a wide range of industries including Hydraulics, Pneumatics, Energy Production, Aerospace as well as Pharmaceutical and Food Handling. Instituting ISO9001/AS9100 quality system in 2015 allowed Eclipse to become a top tier supplier.

Today, Eclipse can support our smaller customers that require only a few seals a year to those needing in the 100’s of thousands. We continue to retain a quality product and are able to deliver consistently on time. Our customers continue to bring us challenging projects that allow our team to do what we do best, problem solving.

Contact Eclipse Today

"We started Eclipse with the premise that if we could solve enough of our customers problems they would continue to come back to us for solutions regardless of the type of products we offered."