Hydraulic Seals

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Hydraulic Seals

We specialize in hydraulic components from Parker EPS (Engineered Polymer Systems) including a complete selection of dynamic Parker seals for both the OEM and MRO hydraulic markets. Our technical knowledge helps you choose the best hydraulic components for your application, including:

-  Rod Seals
-  Piston Seals
-  Head Seals
-  Wipers
-  Wear Rings / Bearings
-  Back-Ups
-  Urethane O-Rings 

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Additional Articles

Hydraulic Seals in EVs

While EVs primarily rely on electric motors for propulsion, they still use hydraulic systems in various parts of the vehicle, which require hydraulic seals to maintain their functionality.

Helpful FAQs

Don't see what you're looking for? A custom hydraulic component might be right for your application.

A cross section is what you'd get if you took a finished part, cut it in half, and looked at the ends. The cross section can tell you a lot about how the seal functions. For example, the cross section of a u-cup can give you a better understanding of how the lips function while the system is pressurized. Cross sections are often used to gather information on why a seal may have failed and to assess the locations where wear may be occurring.

Yes, R.E. Purvis & Associates, Inc. stocks metric o-rings and seals in a variety of configurations and compounds.

A dynamic application is used to describe situations where the seal is located between two components that are moving relative to each other. An example of a dynamic application would be a piston seal or rotary shaft seal.

The material that is selected for a specific application depends on several factors. The fluid it will come in contact with, the temperature it will deal with, the pressure the part is exposed to, the length of time the part must last, and how much the customer is wiling to pay are all contributing factors. Your best solution to finding the right compound for your application is to contact us. The trained staff of R.E. Purvis & Associates, Inc. will be able to isolate the compound that will best suit your application's needs.

Our certification as a 100% Women-Owned Business is just another way we stand out in the marketplace. Being able to help you meet goals in this area, while also receiving top-notch service and quality products, is a multi-faceted win we provide! Please visit the About Us page for a copy of our WBE certificate.

We have millions of seals, gaskets, and o-rings in stock.