{"id":2822,"date":"2018-01-17T00:00:00","date_gmt":"2018-01-16T23:00:00","guid":{"rendered":"https:\/\/epidor.com\/juntas-toricas-certificadas-para-valvulas\/"},"modified":"2025-05-05T12:13:07","modified_gmt":"2025-05-05T10:13:07","slug":"certified-o-ring-seals-for-valves","status":"publish","type":"post","link":"https:\/\/epidor.com\/en\/blog\/juntas-toricas-certificadas-para-valvulas\/","title":{"rendered":"Certified O-rings for valves"},"content":{"rendered":"
\n
\n
<\/div>\n
\n
\n
\n
\n
\n\tThe O-rings<\/span><\/a><\/strong><\/span> for valves are a sealing solution for the stem of a spindle valve, as we explained in another article published in our blog under the name of \u201cSome sealing solutions in valves\u201d.<\/span><\/a><\/strong><\/p>\n

Depending on the valve's service, it will be required that its documentation includes certificates of critical components for the valve's operation, such as, for example, in the case of \u00a0<\/span>O-rings<\/b> of elastomer.<\/span><\/p>\n

In the oil and gas industry, it is common practice for oil and gas companies to make it compulsory for their <\/span>O-rings<\/b> for valves to be used ensure that they will not suffer the consequences of a \u201cRapid Gas Decompression (RGD)\u201d and therefore are rated <\/span>AED<\/b> (<\/span>Anti-Explosive Decompression<\/span><\/i>)<\/span>.<\/span><\/p>\n

\"29-<\/p>\n

When a <\/span>O-ring<\/b> If the valve is in contact with a gas at high pressure, it may happen that the gas penetrates and diffuses internally into the elastomer of the valve. <\/span>O-ring<\/b>. If accidentally the pressure in the environment of the <\/span>O-ring<\/b> If the gas trapped inside it expands violently and will cause cracks that will irreversibly damage it.<\/span><\/p>\n

\"29-<\/p>\n

International standards applied to O-rings<\/h2>\n

The most widely recognized international standards that include tests to be performed on materials made of <\/span>O-rings<\/b> for valves to achieve AED qualification are as follows:<\/span><\/p>\n