{"id":16725,"date":"2022-06-23T03:44:13","date_gmt":"2022-06-23T03:44:13","guid":{"rendered":"https:\/\/zecovalve.com\/?p=16725"},"modified":"2022-06-23T03:44:14","modified_gmt":"2022-06-23T03:44:14","slug":"precautions-for-use-of-ball-valve","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/precautions-for-use-of-ball-valve.html","title":{"rendered":"Pr\u00e9cautions d'utilisation du robinet \u00e0 boisseau sph\u00e9rique"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-specific-precautions-for-use-of-ball-valve\"><strong>Pr\u00e9cautions particuli\u00e8res d&#039;utilisation du robinet \u00e0 bille\u00a0:<\/strong><\/h2>\n\n\n\n<p>Lorsque le robinet \u00e0 tournant sph\u00e9rique est ferm\u00e9, il y a encore du fluide sous pression \u00e0 l&#039;int\u00e9rieur du corps du robinet. Avant l&#039;entretien, rel\u00e2chez la pression du pipeline et maintenez la vanne en position ouverte. Avant l&#039;entretien, d\u00e9branchez l&#039;alimentation \u00e9lectrique ou en air. Avant l&#039;entretien, s\u00e9parez l&#039;actionneur du support. Il est n\u00e9cessaire de confirmer que la pression des canalisations amont et aval du robinet \u00e0 tournant sph\u00e9rique a \u00e9t\u00e9 supprim\u00e9e avant le d\u00e9montage. Lors du d\u00e9montage et du remontage, il convient de veiller \u00e0 \u00e9viter d&#039;endommager la surface d&#039;\u00e9tanch\u00e9it\u00e9 des pi\u00e8ces, en particulier des pi\u00e8ces non m\u00e9talliques. Des outils sp\u00e9ciaux doivent \u00eatre utilis\u00e9s lors du retrait du joint torique. Lors du montage, les boulons de la bride doivent \u00eatre serr\u00e9s sym\u00e9triquement, \u00e9tape par \u00e9tape et uniform\u00e9ment. L&#039;agent de nettoyage doit \u00eatre compatible avec les pi\u00e8ces en caoutchouc, les pi\u00e8ces en plastique, les pi\u00e8ces m\u00e9talliques et le fluide de travail (tel que le gaz) dans le robinet \u00e0 tournant sph\u00e9rique.<\/p>\n\n\n\n<p>Lorsque le fluide de travail est du gaz, les pi\u00e8ces m\u00e9talliques peuvent \u00eatre nettoy\u00e9es avec de l&#039;essence (GB484-89). Nettoyer les pi\u00e8ces non m\u00e9talliques avec de l&#039;eau pure ou de l&#039;alcool. Les pi\u00e8ces d\u00e9tach\u00e9es d\u00e9mont\u00e9es peuvent \u00eatre lav\u00e9es par immersion. Pour les pi\u00e8ces m\u00e9talliques non d\u00e9compos\u00e9es, un chiffon en soie propre et fin, impr\u00e9gn\u00e9 de produit nettoyant (pour \u00e9viter que les fibres qui tombent adh\u00e8rent aux pi\u00e8ces), peut \u00eatre utilis\u00e9 pour le r\u00e9curage. Lors du nettoyage, toutes les graisses, salet\u00e9s, colles et poussi\u00e8res adh\u00e9rant au mur doivent \u00eatre \u00e9limin\u00e9es. Les pi\u00e8ces non m\u00e9talliques doivent \u00eatre retir\u00e9es du produit de nettoyage imm\u00e9diatement apr\u00e8s le nettoyage et ne doivent pas \u00eatre tremp\u00e9es pendant une longue p\u00e9riode. Apr\u00e8s le nettoyage, il doit \u00eatre assembl\u00e9 apr\u00e8s que l&#039;agent de nettoyage sur le mur lav\u00e9 s&#039;\u00e9vapore (il peut \u00eatre essuy\u00e9 avec un chiffon en soie sans agent de nettoyage), mais il ne peut pas \u00eatre utilis\u00e9 pendant une longue p\u00e9riode, sinon il rouillera et sera pollu\u00e9 par poussi\u00e8re. Les nouvelles pi\u00e8ces doivent \u00eatre nettoy\u00e9es avant l&#039;assemblage. De la graisse lubrifiante peut \u00eatre utilis\u00e9e pour la lubrification.<\/p>\n\n\n\n<p>La graisse doit \u00eatre compatible avec les mat\u00e9riaux m\u00e9talliques, les pi\u00e8ces en caoutchouc, les pi\u00e8ces en plastique et les fluides de travail du robinet \u00e0 tournant sph\u00e9rique. Lorsque le fluide de travail est du gaz, la graisse telle que la graisse sp\u00e9ciale 221 peut \u00eatre utilis\u00e9e. Appliquez une fine couche de graisse sur la surface de la rainure d&#039;installation du joint, appliquez une fine couche de graisse sur le joint en caoutchouc et appliquez une fine couche de graisse sur la surface d&#039;\u00e9tanch\u00e9it\u00e9 et la surface de friction de la tige de valve. Lors de l&#039;assemblage, les copeaux m\u00e9talliques, les fibres, la graisse (sauf celles sp\u00e9cifi\u00e9es), la poussi\u00e8re et autres impuret\u00e9s, corps \u00e9trangers et autres polluants ne doivent pas adh\u00e9rer \u00e0 la surface des pi\u00e8ces ou p\u00e9n\u00e9trer dans la cavit\u00e9 int\u00e9rieure.<\/p>\n\n\n\n<!-- Andy:h-related-tags -->\n<h2 id=\"h-related-tags\">Balises associ\u00e9es :<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/\">Soupape ZECO<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/difference-between-gate-valves-and-ball-valves.html\/\">Vanne et robinet \u00e0 boisseau sph\u00e9rique<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diff\u00e9rence entre la vanne \u00e0 vanne et la vanne papillon<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/produit\/manual-gate-valve\/\">Fabricant de robinets-vannes \u00e0 commande manuelle<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/china-gate-valves-suppliersnon-rising-stem-gate-valvesks-gate-valves.html\/\">Qu'est-ce qu'un robinet-vanne ?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/tag\/shanghai-pressure-reducing-valve-factory\/\">Usine de soupapes de r\u00e9duction de pression de Shanghai<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9cautions sp\u00e9cifiques pour l'utilisation du robinet \u00e0 boisseau sph\u00e9rique : Lorsque le robinet \u00e0 bille est ferm\u00e9, il y a encore du fluide sous pression \u00e0 l'int\u00e9rieur du corps du robinet. ... <a title=\"Pr\u00e9cautions d&#039;utilisation du robinet \u00e0 boisseau sph\u00e9rique\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/precautions-for-use-of-ball-valve.html\" aria-label=\"Plus sur Pr\u00e9cautions d&#039;utilisation du robinet \u00e0 bille\">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":[2204,2426],"class_list":["post-16725","post","type-post","status-publish","format-standard","hentry","category-ball-valve","tag-ball-valves","tag-use-of-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":2204,"name":"Ball Valves","slug":"ball-valves","term_group":0,"term_taxonomy_id":2204,"taxonomy":"post_tag","description":"","parent":0,"count":38,"filter":"raw"},{"term_id":2426,"name":"use of ball valve","slug":"use-of-ball-valve","term_group":0,"term_taxonomy_id":2426,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1927,"label":"Ball Valve"}],"post_tag":[{"value":2204,"label":"Ball Valves"},{"value":2426,"label":"use of ball valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Precautions for Use of Ball Valve - 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\/precautions-for-use-of-ball-valve.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Precautions for Use of Ball Valve - ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"Specific precautions for use of ball valve: When the ball valve is closed, there is still pressure fluid inside the valve body. ... 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