Seals & O-rings

3 Advantages of a Double Chamfer Radial Seal

More often than not, an O-ring makes for a great sealing element. They seal over a wide range of pressure, temperature and tolerance. Normally they require very little room, are readily available,...
On December 3, 2019

Answers to Your In-Service Rubber Properties Questions

Are you uncertain of what to look for when comparing material data reports for various elastomers?  Ever wonder about the impact a seal’s durometer has in the application? Have you asked, ‘What...
On November 21, 2019

How to Read a Rubber Test Report: The 4 Most Common Misunderstandings

We've all done it at least once: looked at a report, read the numbers on it, and come up with exactly the wrong conclusion. Pass/fail limits and results are printed right there, but for some reason,...
On November 13, 2019

Is an ASTM Callout the Best Way to Specify Your Elastomer Needs?

I have had many discussions with customers as to the value of using an ASTM elastomer compound description on their prints to define a specific application or elastomer requirement versus listing...
On November 5, 2019

Large-Size PTFE Seals Withstand Aggressive Media and High Temperatures

Seals made of the fluoropolymer PTFE are used where many other sealing materials (such as rubber elastomers, polyurethanes, fabric-reinforced elastomer seals, etc.) reach their limits in terms of...
On October 23, 2019

Semiconductor Fabs Lower Cost of Ownership with HiFluor Materials

In our July Semiconductor entry, we noted that lowering the cost of ownership is a multi-faceted goal. We discussed how one of the areas for potential improvement is mechanical design and how the...
On October 15, 2019

5 Factors to Consider When Determining Compressive Load of a Seal

Closure force requirements are an important consideration for sealing applications, and the Applications Engineering team is often asked for guidance as to how to minimize or predict the amount of...
On October 8, 2019

The Truth About Hydraulic Cylinder Drift

I had a brief career in construction. We used an old hydraulic manlift for elevated projects, and it had a problem – we would start the day eye-level with our work, and after an hour would realize we...
On October 3, 2019

What Does a Good Seal Engineering Drawing Look Like?

You just spent 6 months testing, stretching, aging and exposing your new seal design to 12 different chemicals. Finally, you are done, so what does a good technical drawing for a seal include?...
On October 2, 2019

Observations From the Electric & Hybrid Vehicle Technology Expo NA

Another Electric & Hybrid Vehicle Tech Expo North America has concluded and it is evident that this show has grown by leaps and bounds. In just a few years since Parker Hannifin has started...
On September 25, 2019

Why is Outgassing Critical in Optics and Electronics Applications?

For some applications, a critical component of selecting a seal material is a phenomenon known as “outgassing”. However, even within the elastomer community, outgassing is not something that...
On August 8, 2019

Semiconductor Fab Processes Benefit From Retention Ribbed EZ-Lok Seals

When it comes to semiconductor fabrication processes, reducing the cost of ownership is a multi-faceted goal approached from a variety of angles. Tool engineers and equipment technicians take pride...
On July 25, 2019

Fluid Transfer Sealing Solutions for Today's Automotive Challenges

Whether it be a classic automotive transmission design or the latest in electric vehicle technology, there is always a need to move high-pressure fluid through different operational systems. Cooling...
On July 10, 2019

Degradable Materials Simplify Well Completions in Oil & Gas Extraction

The emergence of degradable and dissolvable materials is providing oilfield service companies an opportunity to increase efficiencies and cut costs in the oilfield by simplifying well...
On July 3, 2019

Low Drag Dynamic Sealing for Hydraulic Clutch Applications

As automatic transmissions become more advanced as a system, the components within must evolve as well. Performance drives the design and there are many factors that must mesh together to achieve the...
On June 18, 2019

Extend Seal Life and Reduce Maintenance Costs With Our Versatile FF156

We are coming up on two years since the birth of FF156-75 and this compound is one worth celebrating.  If you don’t know what FF156 is, thank you for taking a few minutes to read this blog. FF156 is...
On June 12, 2019

Innovative Rod Seals Enhance Performance of Actuators in Aviation

Hydraulic sealing systems used in aviation technology applications are exposed to particularly challenging ambient influences such as extreme temperature fluctuations and aggressive pressure...
On June 7, 2019

Aerospace EPDM Meets NAS1613 Revision 2 and 6, Is There a Difference?

Perhaps you know Parker’s newest aerospace focused EPDM material is EM163-80. Featuring breakthrough low temperature functionality, resistance to all commercially available phosphate ester fluids, and...
On May 20, 2019

Two Common Methods of Electric Vehicle Battery Covers: Weigh the Pros and Cons

Electric vehicle battery covers pose unique sealing challenges in the automotive industry. The significant size of the sealing perimeter, the materials and size of the seal mating hardware, and the...
On May 9, 2019

Innovative Dissolvable and Degradable Materials Optimize Oil and Gas Extraction

Dissolvable and degradable materials are used in oil and gas operations to create high pressures in hydraulically fractured wells, while also minimizing well intervention keeping wells flowing and...
On April 30, 2019