[{"data":1,"prerenderedAt":168},["ShallowReactive",2],{"blog-en-\u002Fblog\u002Fmechanical-seals-what-are-they-and-what-are-they-used-for":3,"blog-related-\u002Fblog\u002Fmechanical-seals-what-are-they-and-what-are-they-used-for":149},{"id":4,"title":5,"alternateArticle":6,"authors":7,"body":13,"category":135,"contentOrigin":136,"date":137,"description":138,"extension":139,"image":140,"lastUpdated":141,"meta":142,"navigation":143,"ogImage":144,"originalArticle":145,"path":6,"seo":146,"stem":147,"tags":144,"__hash__":148},"blog_en\u002Fblog\u002Fmechanical-seals-what-are-they-and-what-are-they-used-for.md","Mechanical seals: what they are and what they are used for","\u002Fblog\u002Fmechanical-seals-what-are-they-and-what-are-they-used-for",[8],{"name":9,"position":10,"avatarUrl":11,"link":12},"Arturo Romero","CIO","https:\u002F\u002Fgithub.com\u002Farturork.png","https:\u002F\u002Flinkedin.com\u002Fin\u002Farturork",{"type":14,"value":15,"toc":126},"minimark",[16,20,25,28,31,34,59,63,74,77,81,84,88,91,108,112],[17,18,19],"p",{},"We can classify sealing devices into two groups, dynamic and static. Mechanical\nseals fall into the dynamic classification, together with gaskets. However,\nlet's explain in more detail how a mechanical seal works.",[21,22,24],"h2",{"id":23},"what-is-a-mechanical-seal","What is a mechanical seal",[17,26,27],{},"Mechanical seals are dynamic sealing devices used to control leakage of liquids\nand gases in rotating equipment. The function of the mechanical seal is to\nprevent the escape of fluids along rotating shafts or shafts. Seals came to\nreplace or provide a better solution than gaskets.",[17,29,30],{},"These seals have two faces: the static face, which is fixed on the machine, and\nthe mechanical face, which rotates against the shaft to achieve a seal. The\nfaces are perpendicular to the shaft. They also have wedge rings for each face,\ncollar rings and springs to ensure permanent contact between the faces.",[17,32,33],{},"We can find mechanical seals in equipment such as:",[35,36,37,41,44,47,50,53,56],"ul",{},[38,39,40],"li",{},"Rotary centrifugal pumps",[38,42,43],{},"Centrifugal compressors",[38,45,46],{},"Rotary compressors",[38,48,49],{},"Axial flow compressors",[38,51,52],{},"Agitators",[38,54,55],{},"Water pumping systems",[38,57,58],{},"Engine cooling systems",[21,60,62],{"id":61},"what-to-consider-when-buying-mechanical-seals","What to consider when buying mechanical seals",[35,64,65,68,71],{},[38,66,67],{},"Types of fluids: The first step in choosing a good mechanical seal is to\nidentify the type of fluid you will be working with. This way you can choose a\nseal made of material that is resistant to the specific liquids, chemicals\nand\u002For gases in your processes. The viscosity of the fluid and the temperature\nat which they work are essential to understand what type of materials and\ncharacteristics the seals should have. A graphite mechanical seal has\nattributes that a galvanized one does not, therefore it cannot be used in the\nsame circumstances.",[38,69,70],{},"Pressure: Pressure is another important aspect, because then you can choose\nbetween a balanced or unbalanced seal.",[38,72,73],{},"Seal properties: The specification manual of a mechanical seal should also\nconsider aspects such as corrosion and wear resistance -both of the seal and\nits faces-, thermal properties, flexibility, chemical resistance and\ntemperature restrictions, as well as thermal expansion and electrical\nconductivity properties.",[17,75,76],{},"ESGRAF has a wide variety of graphite seals, created according to the specific\nneeds of each customer. In this way, ESGRAF's mechanical seals ensure optimum\nperformance and adaptability to the requirements of each process.",[21,78,80],{"id":79},"limitations-to-consider","Limitations to consider",[17,82,83],{},"Performance depends on graphite grade, grain orientation, temperature, load, pressure, speed, and operating environment. Material selection should be confirmed for your actual process conditions.",[21,85,87],{"id":86},"information-needed-for-a-quote","Information needed for a quote",[17,89,90],{},"To guide selection or prepare a quote, ESGRAF typically needs:",[35,92,93,96,99,102,105],{},[38,94,95],{},"Application and operating conditions (temperature, atmosphere, load).",[38,97,98],{},"Dimensions, technical drawing, or CAD file when applicable.",[38,100,101],{},"Required quantity.",[38,103,104],{},"Requested grade or material currently in use.",[38,106,107],{},"Observed issue with the previous part or lubricant, if any.",[21,109,111],{"id":110},"request-a-quote","Request a quote",[17,113,114,115,120,121,125],{},"Share these details with our team at ",[116,117,119],"a",{"href":118},"\u002F","ESGRAF"," or ",[116,122,124],{"href":123},"\u002Fcontact","request information",". A specialist will review your application before recommending a grade or geometry.",{"title":127,"searchDepth":128,"depth":128,"links":129},"",2,[130,131,132,133,134],{"id":23,"depth":128,"text":24},{"id":61,"depth":128,"text":62},{"id":79,"depth":128,"text":80},{"id":86,"depth":128,"text":87},{"id":110,"depth":128,"text":111},"Use cases","translation","2019-12-29","Fluid leaks in industry represent a serious problem, because they stop entire production lines. They can also cause costly damage and losses, not to mention the risk to those in contact with the affected equipment. To avoid this type of problem there are components, such as mechanical seals, that are the perfect solution.","md","\u002Fassets\u002Fblog\u002Fmechanical-seals-what-are-they-and-what-are-they-used-for.webp","2026-07-22",{},true,null,"\u002Fblog\u002Fsellos-mecanicos-que-son-y-para-que-sirven",{"title":5,"description":138},"blog\u002Fmechanical-seals-what-are-they-and-what-are-they-used-for","KSV55snXz7omQSbR9PTFiIIYhoNR8TKc1v31N9mdKCA",[150,156,162],{"path":151,"title":152,"description":153,"image":154,"date":155,"category":135},"\u002Fblog\u002Fspheroidal-graphite-cast-iron","Spheroidal graphite cast iron - in which industries is it needed?","Cast irons are a group of ferrous alloys that have a large number of properties and have above 2% carbon. In these cases the carbon does not dissolve completely in the iron and solidifies in the form of graphite or iron carbide. One of the types is spheroidal graphite cast iron or nodular cast iron.","\u002Fassets\u002Fblog\u002Fspheroidal-graphite-cast-iron.webp","2020-12-22",{"path":157,"title":158,"description":159,"image":160,"date":161,"category":135},"\u002Fblog\u002Fbenefits-graphite-dielectric-properties","Anisotropic conductivity of graphite: conductor and insulator by direction","Graphite is not a uniform dielectric: it conducts well in the basal plane and behaves like an insulator perpendicular to the layers. That anisotropy explains its role in EDM, brushes, and thermal components.","\u002Fassets\u002Fblog\u002Fbenefits-graphite-dielectric-properties.webp","2020-12-15",{"path":163,"title":164,"description":165,"image":166,"date":167,"category":135},"\u002Fblog\u002Fcrystalline-graphite-flake","Crystalline flake graphite: utilization and impact in the industry","Graphite is a mineral that can be obtained naturally but also artificially. artificially. It is one of the most stable allotropic forms of carbon and has a wide range of industrial uses. It is one of the most stable allotropic forms of carbon and has a wide range of applications due to its characteristics.","\u002Fassets\u002Fblog\u002Fcrystalline-graphite-flake.webp","2020-12-10",1785448977455]