{"id":14216,"date":"2022-03-07T09:59:02","date_gmt":"2022-03-07T09:59:02","guid":{"rendered":"https:\/\/monroeengineering.com\/blog\/?p=14216"},"modified":"2024-12-03T20:22:25","modified_gmt":"2024-12-03T20:22:25","slug":"5-reasons-o-rings-fail-and-how-to-prevent-them","status":"publish","type":"post","link":"https:\/\/monroeengineering.com\/blog\/5-reasons-o-rings-fail-and-how-to-prevent-them\/","title":{"rendered":"5 Reasons O-Rings Fail and How to Prevent Them"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"alignleft size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"213\" src=\"https:\/\/monroeengineering.com\/blog\/wp-content\/uploads\/2021\/06\/monroe-o-ringsa144144.jpg\" alt=\"Spring-energized seals by Monroe Engineering\" class=\"wp-image-9542\" srcset=\"https:\/\/monroeengineering.com\/blog\/wp-content\/uploads\/2021\/06\/monroe-o-ringsa144144.jpg 320w, https:\/\/monroeengineering.com\/blog\/wp-content\/uploads\/2021\/06\/monroe-o-ringsa144144-300x200.jpg 300w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/figure><\/div>\n\n\n\n<p>O-rings are one of the most common types of mechanical seals. Consisting of a ring-shaped piece of elastomeric material, they are placed around the mating surfaces of two parts. O-rings are designed to prevent leaks from around these mating surfaces. There are instances, however, in which O-rings can fail.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">#1) Wrong Size<\/h2>\n\n\n\n<p>There&#8217;s no such thing as a one-size-fits-all O-ring. While they are all ring-shaped, O-rings are available in different sizes. O-rings have an inner diameter size and a thickness size. The inner diameter of an O-ring must accommodate the parts with which it&#8217;s used. If the inner diameter is too big, the O-ring will fit loosely over the parts. As a result, pressurized gases or liquids traveling through the parts may leak through the O-ring.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">#2) Improper Installation<\/h2>\n\n\n\n<p>O-rings that are installed improperly may fail. Parts often have a groove around their mating surface. This groove acts as a seat for an O-ring. When installing O-rings, you should check for a groove. Positioning the O-ring into the groove will create a stronger seal that&#8217;s better protected against failure. If the O-ring is out of the groove, on the other hand, it may fail.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">#3) Excessive Pressure<\/h2>\n\n\n\n<p>Exposure to excessive pressure may cause O-rings to fail. With their elastomeric construction, O-rings can withstand pressure. They&#8217;ll expand under pressure, and after the pressure has been removed, they&#8217;ll revert back to their original size. O-rings, though, can fail when exposed to excessive pressure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">#4) Expansion Rupture<\/h2>\n\n\n\n<p>Another reason O-rings can fail is expansion rupture. Expansion rupture is a phenomenon that involves trapped gas or air. Pressurized gar or air may build up underneath an O-ring. As the pressure increases, it may reach a point where it ruptures. The O-ring may essentially burst from this trapped, pressurized gas or air. Known as expansion rupture, it can cause O-rings to fail.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">#5) Chemical Degradation<\/h2>\n\n\n\n<p>Chemical degradation can cause O-rings to fail. Different types of O-rings are made of different materials. They are typically all made of an elastomeric material, which allows them to withstand a certain amount of pressure. But there are dozens of types of elastomeric materials, some of which may degrade when exposed to various chemicals. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">In Conclusion<\/h2>\n\n\n\n<p>O-rings can fail in different ways. Some of the most common reasons for failure include the wrong size, improper installation, excessive pressure, expansion rupture and chemical degradation. When shopping for O-rings, choose the right type to minimize the risk of failure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O-rings are one of the most common types of mechanical seals. Consisting of a ring-shaped piece of elastomeric material, they are placed around the mating surfaces of two parts. O-rings are designed to prevent leaks from around these mating surfaces. &hellip; <a class=\"continue-reading\" href=\"https:\/\/monroeengineering.com\/blog\/5-reasons-o-rings-fail-and-how-to-prevent-them\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":9542,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10016,84],"tags":[9578],"class_list":["post-14216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-o-rings","category-seals","tag-seals-o-rings"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>5 Reasons O-Rings Fail and How to Prevent Them | Seals | OneMonroe<\/title>\n<meta name=\"description\" content=\"When o-rings fail its commonly one of the issues, they&#039;re the wrong size, impromper installation, 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