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Parker Metal Seal Design Guide



When working in challenging or demanding environments, a proper seal is crucial. In these situations, the material from which the seal is made can be the difference between success and failure. That’s why so many choose to work with metal seals, and specifically, Parker metal seals.

For years, Parker has offered a variety of sizes, shapes and materials in its industry-leading seal designs. But just as important as ensuring that you are using the best quality product for your project is finding the ideal fit – installing a seal that is engineered to match with the unique specifications of what it needs to do. Chances are good that you can find this specificity with Parker’s metal seals. Here’s an overview of the variety of designs, materials, styles and more when looking for a Parker metal seal.



The applications for metal seals run the industrial spectrum, including aerospace, oil/gas generation, and the military, among others. What all of these industries have in common are the presence of extreme environments and situations in which the seals will be put to the test.

There are six main categories of metal seal offered by Parker: c-seal, e-seal, o-ring, u-ring, wire ring, and spring energized ring. These categories each have their own strengths and weaknesses, with varying degrees of springback, load capabilities, leak rates, pressure capabilities, and cost. Details specifications for each type and its characteristics can be found here.

Contrary to initial conclusions, metal seals can vary widely in the types of materials from which they are manufactured. Much like the types of seals, each material has projects to which it is ideally suited to fit those needs, with differences in strength, color, chemical capability, among the top characteristics to be considered.



The most demanding situations require the highest quality products. That’s where Parker excels with its metal seal selection. Such offerings as directly bonded electroplating, which eliminates unnecessary parts and potential areas of failure, and pressure energization to raise pressure resistance and lower situations of breakage, are just two of the extra steps taken by Parker to produce consistent quality.

Additionally, these products are extensively tested to ensure they can withstand and thrive in the most extreme of circumstances. Parker’s reliability in both the development and production of its metal seals gives each product the highest level of attention and trust that the result will excel in whatever role it is needed.

And it’s not just the main sealing components that achieve this level of excellence. A sealing system is so much more than the seals themselves, it includes clamps, connectors, flanges, etc. Parker is rare in its ability to cover the entire sealing system under its production and development umbrella, so you can feel as confident with the complementary parts as you are with your main products.



Whatever your metal seal needs, we’re here to assist. Browse our extensive inventory of metal seals, and feel free to reach out to our customer service representatives for questions regarding fulfillment and support for your manufacturing needs.


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