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Seal Terminology 101
By Doug 03 Oct, 2022
While the average person can probably recognize a rubber O-Ring, knowledge of advanced sealing devices remains a largely obscure field of knowledge. Eclipse is here to be the subject matter experts and guide you to the best sealing solution, but being familiar with some basic seal terminology will aid us in the process. The ability […]
Sealing 15,000 PSI at 300°F With a Large Extrusion Gap
By Doug 10 Aug, 2022
Eclipse serves dozens of industries and provides sealing solutions for applications on, off, and below the surface of the planet.  Each application has its own set of challenges whether it be manned space flight, surgical medical instruments, or high-volume automotive components. One industry that continually presents Eclipse with challenging sealing conditions is oil and gas. […]
Fillers That Improve PTFE’s Performance
By Doug 30 Jun, 2022
PTFE was discovered in the 1930s as an accidental byproduct of chlorofluorocarbon refrigerant production. It’s a synthetic compound consisting wholly of carbon and fluorine — a fluorocarbon. Its many unique properties make it highly attractive as a seal material. It possesses one of the lowest friction coefficients of any known material, is nearly 100% chemically […]
Cantilever V-Spring
By Doug 19 Apr, 2022
Shortly after the discovery and use of PTFE as a seal material, the need for a secondary energizing method became apparent.  Unlike rubber or urethane which possess elastic and spring-like properties, PTFE will not return to its original state once deformed. This is obviously not a desirable trait for sealing material, especially in dynamic sealing […]
Choose the Right Seal for Electric Motors
By Doug 25 Feb, 2022
The current global electric motor market is valued at more than 100 billion dollars and is slated for continued growth in the decades to come.  It’s estimated that more than 30 million electric motors are produced every year. The increased development of robotics and automation in many industrial processes as well as demand for numerous […]
Materials and Applications for Wear Rings and Bearings
By Doug 28 Jan, 2022
All moving shafts, whether they’re reciprocating or rotary, require some form of guidance to avoid metal-to-metal contact. Relative motion during use will always wear down your appliance. There are many different styles of bearings available in the marketplace today. In some cases, a rotary ball and race are used especially in rotary service due to […]
Using UHMW for Your Sealing Application
By Doug 27 Dec, 2021
Aside from PTFE and PTFE blends, one of the most used seal materials at Eclipse is UHMW, or Ultra High Molecular Weight Polyethylene.  Polyethylene is the most common and prolific plastic in the world today, utilized in everything from consumer-grade packaging to bags, bottles, and medical implants. It’s available in varying densities, such as Low Density (LDPE), High Density (HDPE), and the aforementioned UHMW.  The seal world focuses mainly on UHMW employing the […]
Spring Energized Seal vs. O-Ring
By Doug 22 Nov, 2021
Spring Energized Polymer Seals and O-Rings are very different products, yet they can ultimately accomplish the same goal of sealing a system. The humble O-Ring is, in simplest terms, a ring of rubber. A Spring Energized Seal consists of an engineered plastic jacket, usually a PTFE blend or UHMW-PE, and a metallic spring element. One is made in quantities of […]
Seal Glands
By Doug 21 Oct, 2021
While seal performance, leakage control, and wear-life characteristics are frequently discussed, one critical aspect of a successful sealing system is often overlooked — how a seal is contained in the hardware.  Whether you want to call it a gland or a groove, the physical space for housing a seal is an important part of the system’s performance. […]
Spring Energized Seal Lip Styles
By Doug 17 Sep, 2021
Spring Energized Seals can be found in all kinds of applications across the spectrum of industries and sectors. While the pros and cons of the different spring types contained in the seal are often discussed, the style of sealing lips can also have a significant impact on performance. Every spring type has at least 4 […]
Fine Adjustments with Seals
By Doug 11 Aug, 2021
Controlling friction using the properties of Teflon® and adjusting the durometer of an energizing elastomer allows us to adjust the load and control the force the seal applies. Seals are often used as a barrier or exclusion device. When considering a device that becomes sterilized, seals often protect the internal components of that device. Some […]
Tight-Tolerance PTFE
By Doug 19 Jul, 2021
Discover how tight tolerance PTFE can revolutionize manufacturing projects. Eclipse Engineering shares insights on improving durability and efficiency.
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