O-rings
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September 02, 2025
Extrusion-Resistant Nitrile O-Rings: Reliable Sealing for High-Pressure Boss Fittings
In aerospace and defense applications, sealing performance can make the difference between mission success and costly downtime. O-rings used in hydraulic systems must be able to resist extrusion under high pressures, perform reliably in low temperatures, and maintain compatibility with standard aerospace fluids.
That’s exactly what
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August 13, 2025
Precision Manufacturing for Oversized Seals
While standard-sized seals are essential for everyday machinery, many industries rely on oversized seals to maintain system integrity in large-scale equipment. Oversized seals present unique challenges in manufacturing, handling, and precision machining, requiring specialized equipment and processes. We prioritize producing high-quality, precision-engineered seals of all sizes, including oversized, at Gallagher Fluid
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May 12, 2025
Here at Gallagher Fluid Seals, we provide O-rings to almost every industry you can think of: fluid power, chemical processing, aerospace, energy oil & gas, life sciences, pulp & paper, etc.
The thing with an O-ring is as long as it’s doing its job, you never really even know it’s there. It is only when an O-ring starts to fail and a leak develops that you investigate the problem.
One of the key causes of O-ring cracking is ozonolysis
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April 23, 2025
New Sealing Material For Safe Battery Cells
Freudenberg offers an optimized sealing material for e-mobility applications as an alternative to PFAS-containing thermoplastic and FKM seals. This new material series is processed by injection molding, delivers superior sealing performance, ensures battery life and meets increasingly stringent environmental regulations.
In the rapidly growing electric vehicle
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March 18, 2025
How to Check Valve Stem Seals
Most engines need regular maintenance to ensure proper functionality. This maintenance involves keeping an eye on several critical parts, including the valve stem seals, which are essential for regulating oil consumption and lubricant. Valve stem seals not only prevent oil from leaking, but also allow the valves to move freely.
Valve stem seals that are in good working condition can save time and money that come with lengthy repairs and replacements. Unfortunately,
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March 04, 2025
DuPont™ Kalrez® 0090 Perfluoroelastomer Parts For Ball Valves in Refineries
Ball valves are primarily used for shut-off applications in the energy industry and must function in a wide range of chemical environments, both gas and liquid, where significant performance differences are often observed between various types of sealing materials.
Kalrez® 0090 O-rings are TOTAL and NORSOK compliant with exceptional chemical resistance and Rapid Gas Decompression performance making them an excellent
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February 25, 2025
Continuous Molding Technology Enhances O-Ring Performance
Historically, technology to produce large diameter molded O-Rings has been limited by press and molding capabilities. One of our suppliers, Parker Hannifin, created a proprietary continuous molding technology which ensures the strength and reliability of large diameter FKM, HNBR, NBR and EPDM O-Ring seals.
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February 20, 2025
Gallagher Fluid Seals is a Parker Distributor is proud to be proud to be one of the few premier distributors to qualify as a “Parker Seal Technology Center (STC)”.
The Advantages of Fuel Agnostic Sealing Materials in Modern Engine Platforms
In today’s rapidly evolving automotive landscape, the push for environmental sustainability and the reduction of greenhouse gas emissions has become paramount. While the passenger car industry is increasingly turning to electrification
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January 21, 2025
Enhancing Performance and Safety of Static Radial Seals
O-ring and back-up ring combinations have long been the standard for static applications requiring high-pressure sealing. However, real-world applications often expose limitations, including installation challenges and performance issues. Standard O-rings may twist during installation, while back-up rings can be incorrectly positioned or damaged. These issues are further compounded by exposure to pulsating pressures and contaminants,
