{"id":6803,"date":"2019-02-22T14:51:36","date_gmt":"2019-02-22T13:51:36","guid":{"rendered":"http:\/\/www.tempco.it\/blog\/?p=6803"},"modified":"2019-02-26T17:20:07","modified_gmt":"2019-02-26T16:20:07","slug":"mechanical-seal-troubleshooting-part-2","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/en\/6803\/mechanical-seal-troubleshooting-part-2\/","title":{"rendered":"Mechanical seal troubleshooting part 2"},"content":{"rendered":"

Chapter two on the topic of how to detect and recognize the causes of mechanical seal troubles<\/strong>, after the post dedicated to the problems related to lubrication<\/a>. Mechanical seals can undergo a series of different kind of wear<\/strong>. An irregular wear can be the consequence of an excessive wear on bearings and in presence of vibrations<\/strong>.<\/p>\n

\"usura<\/a><\/p>\n

Small amounts of tough particles in the fluids can also lead to corrosion on mechanical seals<\/strong>: by sedimenting on the seal’s surface, these particles act like cutting tools in a grinding machine, damaging contact surfaces. An intermittent spotted wear<\/strong> on the seal surface can also relate to an imperfect linearity of the seal surface itself, due to defective mechanical construction of the seal, or even due to a wrong mounting<\/strong>.<\/p>\n

\"usura<\/a>\"usura<\/a><\/p>\n

Mismatched materials and fluids<\/strong><\/em>
\nThe right choice of seal\u2019s materials<\/strong> is essential to ensure a long mechanical seal working lifetime, enabled by the compatibility between the seal\u2019s material and the pumped fluids. A wrong matching can lead to swelling problems in elastomers<\/strong>, boosted by the high temperatures and the long exposure periods involved. Corrosion on mechanical seals<\/strong> can also be provoked by the incompatibility between materials and fluids, deteriorating the seal surfaces.<\/p>\n

\"swelling<\/a>\"corrosione<\/a><\/p>\n

Installation and connections<\/strong><\/em>
\nThe correct installation is also a key factor to preserve the conditions of a mechanical seal. Pictured here are two examples of damages related to a wrong installation of the seal<\/strong>, leading to cut or damaged OR<\/strong> and breakage of the seal ring<\/strong>.<\/p>\n

\"OR<\/a>\"rottura<\/a><\/p>\n

Also the working pressure of the pump<\/strong> must be comprised in the range of design values of the mechanical seal. In case of excessive pressure<\/strong>, the seal can be damaged irreversibly. At last, pay attention to the rotation verse of the pump<\/strong>, to avoid a breakage of the spring<\/strong>. This breakages can happen with a wrong electrical connection of the engine, a pump installed in parallel without a check valve, or also with a return flow when the pump is off.<\/p>\n

\"danni<\/a>\"rottura<\/a><\/p>\n

 <\/p>\n

The Tempco Service<\/strong><\/a> is at your disposal to solve any doubt or needs.<\/p>\n","protected":false},"excerpt":{"rendered":"

Mechanical seal troubleshooting, wear, corrosion, breakages and deformation due to wrong installation or mismatching bewteen construction materials and pumped fluids. <\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[247,469,61,87,88,84],"tags":[1601,254,474,1600,800,1581,279,1599,1567,1563,1602,727,1604,356,1596,1569,1603,1576],"yoast_head":"\nMechanical seal troubleshooting part 2 - Tempco Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tempco.it\/blog\/en\/6803\/mechanical-seal-troubleshooting-part-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mechanical seal troubleshooting part 2 - Tempco Blog\" \/>\n<meta property=\"og:description\" content=\"Mechanical seal troubleshooting, wear, corrosion, breakages and deformation due to wrong installation or mismatching bewteen construction materials and pumped fluids.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tempco.it\/blog\/en\/6803\/mechanical-seal-troubleshooting-part-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Tempco Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/tempco.srl\" \/>\n<meta property=\"article:published_time\" content=\"2019-02-22T13:51:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-02-26T16:20:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2019\/02\/usura-tenute-meccaniche-troubleshooting-1024x834.jpg\" \/>\n<meta name=\"author\" content=\"Marco Zambelli\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Tempco_it\" \/>\n<meta name=\"twitter:site\" content=\"@Tempco_it\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marco Zambelli\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.tempco.it\/blog\/en\/6803\/mechanical-seal-troubleshooting-part-2\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.tempco.it\/blog\/en\/6803\/mechanical-seal-troubleshooting-part-2\/\"},\"author\":{\"name\":\"Marco Zambelli\",\"@id\":\"https:\/\/www.tempco.it\/blog\/#\/schema\/person\/888443da8bdce0582bcb917053553fec\"},\"headline\":\"Mechanical seal troubleshooting part 2\",\"datePublished\":\"2019-02-22T13:51:36+00:00\",\"dateModified\":\"2019-02-26T16:20:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.tempco.it\/blog\/en\/6803\/mechanical-seal-troubleshooting-part-2\/\"},\"wordCount\":345,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.tempco.it\/blog\/#organization\"},\"keywords\":[\"breakage\",\"corrosion\",\"corrosione\",\"elastomers\",\"engines\",\"lubrication\",\"maintenance\",\"mechanical seals\",\"O-ring\",\"pressure\",\"problems resolution\",\"pumps\",\"seal ring\",\"service\",\"swelling\",\"troubleshooting\",\"vibrations\",\"wear\"],\"articleSection\":[\"corrosion\",\"Corrosione\",\"Energia Termica @en\",\"Maintenance\",\"Service\",\"thermal energy\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.tempco.it\/blog\/en\/6803\/mechanical-seal-troubleshooting-part-2\/\",\"url\":\"https:\/\/www.tempco.it\/blog\/en\/6803\/mechanical-seal-troubleshooting-part-2\/\",\"name\":\"Mechanical seal troubleshooting part 2 - 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