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Troubleshooting O-ring Failure
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From Apple Rubber Products, Inc.
As most engineers and plant managers realize, O-ring failures can be critical. The ability to troubleshoot these problems can save precious time in getting production equipment back on line, or redesigning the sealing system of a company's product. An O-ring is a "simple" device often specified or installed as an afterthought - simple that is until it fails. The apparent simplicity of an O-ring should never be confused with the complexity of its function: a device that in deformation must balance the many effects of chemical attack, friction, pressure and temperature while maintaining the fluid integrity of the system. Clearly, then, the modes of failure are case specific and varied across the range of O-ring applications. Products & Services
Round belts and o-ring belts are light-to-medium duty power transmission belts. They can be solid or hollow, and can easily be used in 3-D applications.
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Learn more about Round Belts and O-ring Belts
O-rings are solid-rubber seals that are shaped like a doughnut. When pressed between two mating surfaces, O-rings block the passage of liquids or gases.
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Learn more about O-rings
Metal ring seals are static devices that can withstand high operating temperatures, pressures, and vacuums. They can also withstand cryogenic conditions and high face-to-face cycling.
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Learn more about Metal Ring Seals
Specialty or proprietary products and accessories related to seals and sealing.
Learn more about Specialty Seals
Rigid couplings connect rotating members such as shafts. They secure onto both members and provide transmission of torque and motion.
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Learn more about Rigid Couplings
Product Announcements
Topics of Interest
2.0 OVERVIEW
The explosion of the space shuttle Challenger (Figure 2.1a) on January 28. 1986, was attributed to a combustible gas leak in the O-ring joint near the bottom of the right solid rocket...
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Glossary
B-G
balance diameter:
The diameter that separates the high (seal gas supply) pressure area from the low (seal vent) pressure area of the primary gas seal ring. This is typically...
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Overview
Dry gas seals are gas-lubricated, mechanical, noncontacting, end-face seals, consisting of a mating (rotating) ring and a primary (stationary) ring. The principal rotating components...
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Tolerance stack-up is an especially important factor in microminiature O-rings due to the fact that the tolerances account for a large percentage of the nominal O-ring size. In a sealing application,...
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1.1 Purpose of This Book
This book sets out to introduce the subject of sealing technology and provide the reader with an understanding of the issues involved and sufficient information, or sources...
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