{"id":17180,"date":"2022-06-27T08:59:08","date_gmt":"2022-06-27T08:59:08","guid":{"rendered":"https:\/\/zecovalve.com\/?p=17180"},"modified":"2022-11-29T01:23:25","modified_gmt":"2022-11-29T01:23:25","slug":"installation-of-pneumatic-ball-valve-and-method-of-prolonging-its-service-life","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/installation-of-pneumatic-ball-valve-and-method-of-prolonging-its-service-life.html","title":{"rendered":"Installation d'un robinet \u00e0 bille pneumatique et m\u00e9thode pour prolonger sa dur\u00e9e de vie"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-how-is-the-pneumatic-ball-valve-installed-can-the-pneumatic-ball-valve-be-installed-vertically\">Comment le robinet \u00e0 tournant sph\u00e9rique pneumatique est-il install\u00e9\u00a0? Le robinet \u00e0 tournant sph\u00e9rique pneumatique peut-il \u00eatre install\u00e9 verticalement\u00a0?<\/h2>\n\n\n\n<p>Le robinet \u00e0 tournant sph\u00e9rique pneumatique peut \u00eatre install\u00e9 verticalement. G\u00e9n\u00e9ralement, l&#039;installation sur le pipeline peut \u00eatre divis\u00e9e en installation parall\u00e8le et installation verticale, en fonction de la situation r\u00e9elle du client. Cependant, nous sugg\u00e9rons que l&#039;installation parall\u00e8le soit g\u00e9n\u00e9ralement la meilleure, ce qui est pratique pour l&#039;entretien et tr\u00e8s esth\u00e9tique. Mais dans de nombreux cas particuliers, le robinet pneumatique \u00e0 bille peut \u00e9galement \u00eatre install\u00e9 verticalement. Parce que le client a d\u00e9clar\u00e9 qu&#039;il n&#039;y avait pas assez d&#039;espace pour l&#039;installation parall\u00e8le des tuyaux, installez-les verticalement, ce qui n&#039;affectera pas la dur\u00e9e de vie.<\/p>\n\n\n\n<p>Le joint de robinet \u00e0 tournant sph\u00e9rique pneumatique comporte g\u00e9n\u00e9ralement quatre composants d\u2019\u00e9tanch\u00e9it\u00e9\u00a0: une bague d\u2019\u00e9tanch\u00e9it\u00e9 de tige, une bague d\u2019\u00e9tanch\u00e9it\u00e9 centrale, deux bagues d\u2019\u00e9tanch\u00e9it\u00e9 des deux c\u00f4t\u00e9s.<\/p>\n\n\n\n<p>La bague d&#039;\u00e9tanch\u00e9it\u00e9 de tige de vanne fait r\u00e9f\u00e9rence \u00e0 la bague d&#039;\u00e9tanch\u00e9it\u00e9 sur laquelle fonctionne la tige de vanne. G\u00e9n\u00e9ralement, le PDFE et le graphite flexible sont utilis\u00e9s pour plus de deux\u00a0; la bague d&#039;\u00e9tanch\u00e9it\u00e9 interm\u00e9diaire fait r\u00e9f\u00e9rence au joint reliant le corps de la vanne au milieu, g\u00e9n\u00e9ralement un joint composite PDFE et graphite-m\u00e9tal est utilis\u00e9 pour plus de deux\u00a0; les deux bagues d&#039;\u00e9tanch\u00e9it\u00e9 lat\u00e9rales sont\u00a0: les bagues d&#039;\u00e9tanch\u00e9it\u00e9 d&#039;entr\u00e9e et de sortie des deux c\u00f4t\u00e9s du noyau sph\u00e9rique, g\u00e9n\u00e9ralement les joints PDFE et ppl (bague d&#039;\u00e9tanch\u00e9it\u00e9 r\u00e9sistante aux hautes temp\u00e9ratures).<\/p>\n\n\n\n<p>Le robinet \u00e0 tournant sph\u00e9rique pneumatique comprend deux parties principales\u00a0: l&#039;actionneur et la vanne. Il existe deux types d&#039;actionneurs : simple effet et double effet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alors, comment rendre votre robinet \u00e0 tournant sph\u00e9rique pneumatique plus facile \u00e0 utiliser et longue dur\u00e9e de vie\u00a0?<\/h2>\n\n\n\n<p>Ceci est bas\u00e9 sur l&#039;utilisation sur le terrain du client pour d\u00e9terminer la dur\u00e9e de vie de votre robinet \u00e0 tournant sph\u00e9rique pneumatique. La mani\u00e8re de prolonger la dur\u00e9e de vie du robinet \u00e0 tournant sph\u00e9rique pneumatique consiste d\u2019abord \u00e0 maintenir la source d\u2019air stable sur site. Une source d&#039;air stable peut affecter directement la vitesse d&#039;ouverture et de fermeture de votre vanne et la dur\u00e9e de vie de la bague d&#039;\u00e9tanch\u00e9it\u00e9 de la vanne. Il est pr\u00e9f\u00e9rable d&#039;installer une pi\u00e8ce bidirectionnelle sur chaque actionneur. Cette pi\u00e8ce bidirectionnelle peut non seulement fournir une pression d&#039;air stable, mais \u00e9galement huiler r\u00e9guli\u00e8rement le cylindre et \u00e9galement \u00e9vacuer l&#039;humidit\u00e9 de l&#039;air pour rendre le cylindre dont la dur\u00e9e de vie est grandement am\u00e9lior\u00e9e. La dur\u00e9e de vie de la vanne est d\u00e9termin\u00e9e par le fluide utilis\u00e9 sur place.<\/p>","protected":false},"excerpt":{"rendered":"<p>Comment le robinet \u00e0 boisseau sph\u00e9rique pneumatique est-il install\u00e9 ? Le robinet \u00e0 boisseau sph\u00e9rique pneumatique peut-il \u00eatre install\u00e9 verticalement ? Le robinet \u00e0 boisseau sph\u00e9rique pneumatique peut \u00eatre install\u00e9 ... <a title=\"Installation d&#039;un robinet \u00e0 bille pneumatique et m\u00e9thode pour prolonger sa dur\u00e9e de vie\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/installation-of-pneumatic-ball-valve-and-method-of-prolonging-its-service-life.html\" aria-label=\"Plus sur Installation d&#039;un robinet \u00e0 tournant sph\u00e9rique pneumatique et m\u00e9thode de prolongation de sa dur\u00e9e de vie\">Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1927],"tags":[805,2180],"class_list":["post-17180","post","type-post","status-publish","format-standard","hentry","category-ball-valve","tag-ammonia","tag-pneumatic-ball-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":false,"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/fr\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1927,"name":"Ball Valve","slug":"ball-valve","term_group":0,"term_taxonomy_id":1927,"taxonomy":"category","description":"Ball Valve Description","parent":0,"count":82,"filter":"raw","cat_ID":1927,"category_count":82,"category_description":"Ball Valve Description","cat_name":"Ball Valve","category_nicename":"ball-valve","category_parent":0}],"tag_info":[{"term_id":805,"name":"Ammonia Valve","slug":"ammonia","term_group":0,"term_taxonomy_id":805,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_3e1a85-40\"} \/-->\r\n\r\n<!-- wp:generateblocks\/button-container {\"uniqueId\":\"31f123f4\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"504ddfe8\",\"hasUrl\":true,\"target\":true,\"backgroundColor\":\"#0366d6\",\"textColor\":\"#ffffff\",\"backgroundColorHover\":\"#222222\",\"textColorHover\":\"#ffffff\",\"paddingTop\":\"15\",\"paddingRight\":\"20\",\"paddingBottom\":\"15\",\"paddingLeft\":\"20\"} -->\r\n<a class=\"gb-button gb-button-504ddfe8 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong><strong>GET AMMONIA VALVE PRICE<\/strong><\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Ammonia Process Overview<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAmmonia synthesis is used to produce ammonia from nitrogen and hydrogen. The produced ammonia can then be used as a fertilizer, or it can be further processed into urea or nitric acid. A mixture of hydrogen and nitrogen, usually originating from a steam reformer, is admitted to the synthesis loop and then compressed in two stages into the synthesis pressure of 150-300 bar (2200-4400 psi). The stream is preheated by heat exchange with the hot effluent coming out of the converter before entering the ammonia converter.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe ammonia conversion process is a compromise between temperature and pressure. For the catalyst to be efficient a temperature of at least 400 \u00b0C (750 \u00b0F) is needed,\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nbut since the reaction is exothermic a higher temperature negatively affects product yield. To counter this issue, the pressure is increased to push the reaction equilibrium toward ammonia (thus increasing product yield). Heat is recovered from the effluent by generating steam and by pre-heating the incoming feed. The effluent is then sent to refrigeration before the product is separated from the medium and unreacted gas is recycled to the start of the synthesis loop.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27329,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-full\"><img class=\"wp-image-27329\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/11\/ammonia-process.png\" alt=\"\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Types of Valves in Ammonia Synthesis Loop<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe role of valves in the ammonia synthesis loop is to control the flow of synthesis gas into the converter and to ensure the recycling of the unreacted synthesis gas.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Converter inlet valve<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThis valve is used to adjust the flow of synthesis gas into the converter. The flow may need to be adjusted to cope with temperature fluctuations in the converter.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Converter outlet valve<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThis valve is located after the reactor and is used to regulate the flow of effluent to the boiler.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Boiler bypass valve<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThis valve is used to control the flow of reactor effluent that bypasses the boiler, allowing the amount of pre-heating by the synthesis gas heat exchanger to be controlled.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Ammonia Uses &amp; Operating Conditions<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAmmonia is a colorless gas that consists of nitrogen and hydrogen (NH3). At atmospheric conditions, it is lighter than air with a pungent odor. It is a highly caustic irritant that is both toxic and flammable. Because of its low boiling point, as a liquid, it must be stored under pressure or at a low temperature. Industrial ammonia is sold either as ammonia liquor or as pressurized or refrigerated anhydrous liquid ammonia transported in tank cars or cylinders. Household ammonia or ammonium hydroxide is a solution of NH3 in water. Most ammonia is consumed in the manufacturing of fertilizer. It is also a building block for the synthesis of many pharmaceutical products and is used in many commercial cleaning products.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-ammonia-service-ball-valves\">Ammonia Service Ball Valves<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAmmonia valves are engineered for performance and reliability in the most hazardous industrial processes such as severe ammonia applications. These valves are available in a \u201cfloating\u201d type with two basic body configurations \u2013 split body in full and standard port and a unibody in standard port only.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Cleaning &amp; Testing<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAll components used for ammonia service, in a gaseous or liquid state, are specifically cleaned to remove any traces of oil, grease, or hydrocarbon materials prior to the valve assembly. Valves for ammonia service are assembled in an oil-free restricted area by personnel who are specially equipped and trained to perform this task. The assembling area, work, surfaces, equipment, and tools are specially maintained to ensure cleanliness requirements are met.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":3,"filter":"raw"},{"term_id":2180,"name":"pneumatic ball valve","slug":"pneumatic-ball-valve","term_group":0,"term_taxonomy_id":2180,"taxonomy":"post_tag","description":"","parent":0,"count":15,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1927,"label":"Ball Valve"}],"post_tag":[{"value":805,"label":"Ammonia Valve"},{"value":2180,"label":"pneumatic ball valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Installation of Pneumatic Ball Valve and Method of Prolonging Its Service Life - ZECO Valve<\/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:\/\/zecovalve.com\/fr\/installation-of-pneumatic-ball-valve-and-method-of-prolonging-its-service-life.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Installation of Pneumatic Ball Valve and Method of Prolonging Its Service Life - ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"How is the pneumatic ball valve installed? Can the pneumatic ball valve be installed vertically? The pneumatic ball valve can be installed ... 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