{"id":9283,"date":"2021-12-30T08:09:54","date_gmt":"2021-12-30T08:09:54","guid":{"rendered":"https:\/\/zecovalve.com\/high-pressure-pneumatic-diaphragm-control-valve-siemens-pneumatic-control-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabellow.html"},"modified":"2022-11-01T05:53:18","modified_gmt":"2022-11-01T05:53:18","slug":"high-pressure-pneumatic-diaphragm-control-valve-siemens-pneumatic-control-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabellow","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/high-pressure-pneumatic-diaphragm-control-valve-siemens-pneumatic-control-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabellow.html","title":{"rendered":"Positionneur dans la vanne de r\u00e9gulation \u2013 Siemens Valve Controller"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Vanne de commande pneumatique<\/h2>\n\n\n\n<p><span style=\"font-family: Arial;\">La vanne de r\u00e9gulation peut conna\u00eetre certaines informations gr\u00e2ce \u00e0 son nom, et la plage de r\u00e9glage du mot-cl\u00e9 r\u00e9glage est comprise entre 0 et 100%.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Les amis prudents devraient constater qu&#039;il y a un dispositif suspendu sous la t\u00eate de chaque vanne de r\u00e9gulation. Ceux qui le connaissent doivent savoir qu&#039;il s&#039;agit du c\u0153ur de la vanne de r\u00e9gulation, le positionneur de vanne. Gr\u00e2ce \u00e0 ce dispositif, la quantit\u00e9 d&#039;air entrant dans la t\u00eate (film pneumatique) peut \u00eatre ajust\u00e9e. Contr\u00f4ler avec pr\u00e9cision la position de la vanne<\/span>.<\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Le positionneur intelligent et les positionneurs m\u00e9caniques, la discussion d&#039;aujourd&#039;hui porte sur ces derniers positionneurs m\u00e9caniques, illustr\u00e9s dans le localisateur d&#039;image identique.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"font-family: Arial;\"><\/span><span style=\"font-family: Arial;\">Principe de fonctionnement<\/span> du positionneur de vanne<\/h2>\n\n\n\n<p><span style=\"font-family: Arial;\">La source d&#039;air provient de l&#039;air comprim\u00e9 de la station de compression d&#039;air et il y a un filtre \u00e0 air <a href=\"https:\/\/zecovalve.com\/fr\/water-pressure-reducing-valve-manufacturer-zeco-valve.html\/\" data-internallinksmanager029f6b8e52c=\"8\" title=\"D\u00e9tendeur\" target=\"_blank\" rel=\"noopener\">d\u00e9tendeur<\/a> devant l&#039;entr\u00e9e de la source d&#039;air du positionneur de vanne pour purifier l&#039;air comprim\u00e9. La source de gaz provenant de la sortie du r\u00e9ducteur de pression entre par le positionneur de vanne. Quant \u00e0 la quantit\u00e9 de gaz entrant dans la t\u00eate \u00e0 membrane de la vanne, elle est d\u00e9termin\u00e9e en fonction du signal de sortie du contr\u00f4leur.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Le signal \u00e9lectrique \u00e9mis par le contr\u00f4leur est de 4 \u00e0 20 mA, le signal pneumatique est de 20 Kpa \u00e0 100 Kpa et le signal \u00e9lectrique au signal pneumatique est transmis via un convertisseur \u00e9lectrique.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Lorsque le signal \u00e9lectrique \u00e9mis par le contr\u00f4leur est converti en un signal a\u00e9rien correspondant, le signal a\u00e9rien converti est ensuite appliqu\u00e9 au soufflet. Levier<\/span> 2 se d\u00e9place autour du point d&#039;appui et la partie inf\u00e9rieure du levier 2 se d\u00e9place vers la droite \u00e0 proximit\u00e9 de la buse. La contre-pression de la buse augmente. Apr\u00e8s avoir \u00e9t\u00e9 amplifi\u00e9e par l&#039;amplificateur pneumatique (la partie avec le symbole inf\u00e9rieur \u00e0 celui de la figure), une partie de la source d&#039;air est envoy\u00e9e vers la chambre \u00e0 air de la membrane pneumatique, et la tige de valve emm\u00e8ne le noyau de valve vers le bas pour s&#039;ouvrir automatiquement progressivement. la valve et devient<span style=\"font-family: Arial;\"> plus petit. \u00c0 ce moment, la tige de r\u00e9troaction reli\u00e9e \u00e0 la tige de valve (la tige pivotante sur la figure) descend autour du point d&#039;appui, de sorte que l&#039;extr\u00e9mit\u00e9 avant de l&#039;arbre descend, la came excentrique qui y est connect\u00e9e tourne dans le sens inverse des aiguilles d&#039;une montre et le rouleau tourne. dans le sens des aiguilles d&#039;une montre pour se d\u00e9placer vers la gauche, \u00e9tirez ainsi le ressort de r\u00e9troaction. \u00c9tant donn\u00e9 que la partie inf\u00e9rieure du levier de tension du ressort de r\u00e9troaction 2 se d\u00e9place vers la gauche, elle sera en \u00e9quilibre de force avec la pression du signal agissant sur le soufflet, de sorte que la vanne est fix\u00e9e dans une certaine position et ne bouge pas.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Extension des connaissances 1 sur le positionneur de vanne<\/h2>\n\n\n\n<p><span style=\"font-family: Arial;\">Source de ventilation de la chambre \u00e0 air \u00e0 diaphragme pneumatique, le diaphragme appuie sur les six ressorts recouverts par le diaphragme, poussant ainsi la tige de valve vers le bas. La tige de valve est reli\u00e9e au noyau de valve, et le noyau de valve est install\u00e9 vers l&#039;avant, de sorte que la source d&#039;air est la valve d\u00e9plac\u00e9e vers la position d&#039;arr\u00eat. C\u2019est pourquoi on l\u2019appelle une vanne d\u2019arr\u00eat de gaz. Le d\u00e9faut d&#039;ouverture signifie que lorsque l&#039;alimentation en air est interrompue en raison de la construction ou de la corrosion du tuyau d&#039;air, la vanne est r\u00e9initialis\u00e9e sous la force de r\u00e9action du ressort et la vanne est \u00e0 nouveau en position compl\u00e8tement ouverte.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Comment utiliser le robinet d&#039;arr\u00eat d&#039;air ?<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">La mani\u00e8re de l&#039;utiliser est consid\u00e9r\u00e9e du point de vue de la s\u00e9curit\u00e9, qui est une condition n\u00e9cessaire pour s\u00e9lectionner l&#039;activation ou la d\u00e9sactivation de l&#039;air.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Par exemple; l&#039;un des principaux dispositifs de la chaudi\u00e8re est un tambour \u00e0 vapeur, et une vanne de r\u00e9gulation pneumatique \u00e0 membrane haute pression utilis\u00e9e dans le syst\u00e8me d&#039;alimentation en eau doit \u00eatre ferm\u00e9e \u00e0 l&#039;air. pourquoi ? Par exemple, si l&#039;alimentation en gaz ou en \u00e9lectricit\u00e9 est soudainement interrompue, le four continue de br\u00fbler violemment, chauffant continuellement l&#039;eau dans le tambour. Si le gaz est utilis\u00e9 pour ouvrir la vanne de r\u00e9gulation et que l&#039;\u00e9nergie est interrompue, la vanne sera ferm\u00e9e et le ballon de vapeur s&#039;\u00e9vaporera en quelques minutes sans eau (combustion \u00e0 sec). C&#039;est tr\u00e8s dangereux. Il est impossible de rem\u00e9dier en peu de temps \u00e0 une d\u00e9faillance de la vanne de r\u00e9gulation, ce qui entra\u00eenerait l&#039;arr\u00eat de la chaudi\u00e8re. L&#039;accident est arriv\u00e9. Par cons\u00e9quent, pour \u00e9viter les accidents de combustion \u00e0 sec ou m\u00eame d\u2019arr\u00eat, des vannes d\u2019arr\u00eat d\u2019air doivent \u00eatre utilis\u00e9es.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Bien que l&#039;\u00e9nergie soit interrompue et que la vanne de r\u00e9gulation soit en position compl\u00e8tement ouverte, le tambour \u00e0 vapeur est continuellement rempli d&#039;eau, mais cela ne provoquera pas le s\u00e9chage du tambour \u00e0 vapeur. Il est encore temps de rem\u00e9dier \u00e0 la d\u00e9faillance de la vanne de r\u00e9gulation et la chaudi\u00e8re ne sera pas arr\u00eat\u00e9e directement.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Extension des connaissances 2 sur le positionneur de vanne<\/h2>\n\n\n\n<p><span style=\"font-family: Arial;\">La sortie du positionneur de vanne est comparable \u00e0 la vitesse d&#039;une tortue.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">N&#039;ouvrez pas le couvercle avant du positionneur de vanne\u00a0; \u00e9coutez le son et voyez si le tube de la source d&#039;air est fissur\u00e9 et fuit, ce qui peut \u00eatre jug\u00e9 \u00e0 l&#039;\u0153il nu. Et entrez dans la chambre \u00e0 air pour savoir s&#039;il y a une fuite.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Ouvrez le couvercle avant du positionneur de vanne\u00a0; 1. Si l&#039;orifice constant est bloqu\u00e9 2. V\u00e9rifiez la position du d\u00e9flecteur 3. V\u00e9rifiez l&#039;\u00e9lasticit\u00e9 du ressort de retour 4. D\u00e9montez le dispositif Fangda pour v\u00e9rifier le diaphragme.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">La sortie du positionneur de vanne est ennuyeuse<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><span style=\"font-family: Arial;\">1. V\u00e9rifiez si la pression de l&#039;air se situe dans la plage sp\u00e9cifi\u00e9e et si le levier de r\u00e9troaction est tomb\u00e9. C&#039;est l&#039;\u00e9tape la plus simple.<\/span><\/li><li><span style=\"font-family: Arial;\">2. V\u00e9rifiez si le c\u00e2blage de la ligne de signal est correct (les probl\u00e8mes qui apparaissent plus tard sont g\u00e9n\u00e9ralement ignor\u00e9s)<\/span><\/li><li><span style=\"font-family: Arial;\">3. Y a-t-il quelque chose de coinc\u00e9 entre la bobine et l\u2019induit ?<\/span><\/li><li><span style=\"font-family: Arial;\">4. V\u00e9rifiez si la position correspondante de la buse et du d\u00e9flecteur est appropri\u00e9e<\/span><\/li><li><span style=\"font-family: Arial;\">5. V\u00e9rifiez l&#039;\u00e9tat de la bobine du composant \u00e9lectromagn\u00e9tique<\/span><\/li><li><span style=\"font-family: Arial;\">6. V\u00e9rifiez si la position de d\u00e9bogage du spiral est raisonnable<\/span><\/li><\/ul>\n\n\n\n<p><span style=\"font-family: Arial;\">Par la suite, le signal d&#039;entr\u00e9e, mais la pression de sortie ne change pas, s&#039;il y a une sortie, la valeur maximale n&#039;est pas atteinte, etc. ZECO Valve a fourni la vanne de r\u00e9gulation pneumatique Siemens pour les projets de centrales \u00e9lectriques. Si vous \u00eates int\u00e9ress\u00e9 par notre produit, n&#039;h\u00e9sitez pas \u00e0 <\/span>contact <span style=\"font-family: Arial;\">nous.<\/span><\/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\/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\/the-difference-between-globe-valve-and-ball-valve.html\/\">Robinet \u00e0 soupape et robinet \u00e0 bille<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/what-is-the-difference-between-floating-ball-valve-and-trunnion-mounted-ball-valve.html\/\">Diff\u00e9rence entre le robinet \u00e0 tournant sph\u00e9rique flottant et le robinet \u00e0 tournant sph\u00e9rique \u00e0 tourillon<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/produit\/12-inch-gate-valve\/\">Fournisseur de vannes \u00e0 vanne de 12 pouces<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/categorie-de-produits\/ball-valve\/\">Fabricant de robinets \u00e0 tournant sph\u00e9rique \u2013 Diff\u00e9rents types de robinets \u00e0 tournant sph\u00e9rique<\/a>\n\n<\/div>\n\n\n\n<p>Dix articles avant et apr\u00e8s<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/wc6-high-temperature-high-pressure-gate-valve10-900lb-high-pressure-seal-gate-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinab.html\/\">Vanne \u00e0 vanne haute pression WC6 haute temp\u00e9rature, vanne \u00e0 vanne \u00e0 joint haute pression 10 &quot;900LB - 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Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/floating-ball-valvehigh-pressure-ball-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabellow-sealed-globe-valve-factoryinconel-6.html\/\">robinet \u00e0 tournant sph\u00e9rique flottant, robinet \u00e0 tournant sph\u00e9rique haute pression - Fournisseur de robinets \u00e0 tournant sph\u00e9rique en titane Chine, fabricants de robinets \u00e0 soupape cryog\u00e9niques Chine, vanne papillon C95800 en Chine, usine de robinets \u00e0 soupape scell\u00e9s \u00e0 soufflet, soci\u00e9t\u00e9 de robinets \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/triple-offset-butterfly-valvemetal-to-metal-seat-butterfly-valvethree-eccentric-butterfly-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve.html\/\">vanne papillon \u00e0 triple excentration, vanne papillon \u00e0 si\u00e8ge m\u00e9tal sur m\u00e9tal, vanne papillon \u00e0 trois excentriques - Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques en Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/level-operated-4-butterfly-valveductile-iron-wafer-butterfly-valveviton-lined-butterfly-valve4-viton-lined-butterfly-valve-made-in-china-titanium-ball-valves-supplier-chinacryogenic-globe-v.html\/\">Vanne papillon 4&quot; actionn\u00e9e par niveau, vanne papillon en plaquette de fonte ductile, vanne papillon doubl\u00e9e de Viton, vanne papillon doubl\u00e9e de Viton 4&#039; fabriqu\u00e9e en Chine - Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques Chine, vanne papillon C95800 en Chine, vanne \u00e0 soupape scell\u00e9e \u00e0 soufflet usine, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/super-high-temperature-gate-valvewc6-pressure-seal-gate-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabellow-sealed-globe-valve.html\/\">vanne \u00e0 vanne \u00e0 tr\u00e8s haute temp\u00e9rature, vanne \u00e0 vanne \u00e0 joint de pression WC6 - Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Vanne de r\u00e9gulation pneumatique La vanne de r\u00e9gulation peut conna\u00eetre certaines informations gr\u00e2ce \u00e0 son nom, et la plage de r\u00e9glage du mot-cl\u00e9 r\u00e9glage est\u2026 <a title=\"Positionneur dans la vanne de r\u00e9gulation \u2013 Siemens Valve Controller\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/high-pressure-pneumatic-diaphragm-control-valve-siemens-pneumatic-control-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabellow.html\" aria-label=\"Plus sur Positionneur dans la vanne de r\u00e9gulation \u2013 Siemens Valve Controller\">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":[1],"tags":[3149,3226,3178,3179,3181,3180,3182,3177],"class_list":["post-9283","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-actuated-globe-valve","tag-cage-guided-control-valve","tag-control-valve-positioner","tag-control-valve-with-positioner","tag-positioner-for-control-valve","tag-positioner-in-control-valve","tag-positioner-of-control-valve","tag-valve-positioner","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":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":3149,"name":"Actuated Globe Valve - Globe Control Valve","slug":"actuated-globe-valve","term_group":0,"term_taxonomy_id":3149,"taxonomy":"post_tag","description":"<!-- wp:heading -->\r\n<h2 id=\"h-what-is-a-globe-valve\">What is a Globe Control Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nWhen precise control is needed, globe valves are the favorite in many industries. Globe valves use the linear motion of a plunger that seats in a seat in a plane that divides the upper and lower half of the valve. In 2-way globe valves, the lower half is connected to the inlet port, and the upper half is connected to the outlet. On 3-way globe valves, there is a third port directly below the seat. There are 2 different styles of globe valve, each for a specific function:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:generateblocks\/button-container {\"uniqueId\":\"6d8495a3\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"3d442e11\",\"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-3d442e11 gb-button-text\" href=\"https:\/\/zecovalve.com\/contact\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET ACTUATED GLOBE VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:columns -->\r\n<div class=\"wp-block-columns\">\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\">\r\n\r\n<!-- wp:image {\"id\":26709,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image size-full\"><img class=\"wp-image-26709\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/08\/2-WAY-GLOBE-VALVE.png\" alt=\"\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<\/div>\r\n<!-- \/wp:column -->\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\">\r\n\r\n<!-- wp:image {\"id\":26710,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image size-full\"><img class=\"wp-image-26710\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/08\/3-way-globe-valve.png\" alt=\"\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<\/div>\r\n<!-- \/wp:column -->\r\n\r\n<\/div>\r\n<!-- \/wp:columns -->\r\n\r\n<!-- wp:heading -->\r\n<h2>What is an Actuated Globe Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nActuated globe valve is the most advanced available in design, features, performance, and cost-effectiveness. Its design includes superior proportional control characteristics and safety features for a wide variety of applications, ranging from common fluids to the most aggressive chemicals. Accurate fluid control is achieved by positioning the valve plug to vary the aperture between the plug and the seat ring. The valve design allows the use of different plug\/seat sets to provide desired flow versus travel characteristics. A wide range of controllable CV is available, from 0.23 to a maximum of 105. Reduced trim is an option.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Applications of Actuated Globe Valves<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nActuated Globe valves are available in a variety of sizes (NPS 1\/2 thru 36) and provide users with high performance and reliability. They can help solve an array of application needs from big to small, hot to cold, and general to severe.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nBonnets are available in different styles to accommodate different application temperatures. This primarily includes standard bonnets and optional extension bonnets, which may be used to protect packing materials when the valve is used in extremely hot or cold applications.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThere are also special packing configurations for applications that require the packing system to maintain fugitive emission concentrations below environmental standards.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nSome of the most typical applications of globe valves include cooling water systems, fuel oil systems, feedwater or chemical feed systems, boiler, and main steam vents and drains, and turbine lube oil systems.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":7,"filter":"raw"},{"term_id":3226,"name":"Cage Guided Control Valve","slug":"cage-guided-control-valve","term_group":0,"term_taxonomy_id":3226,"taxonomy":"post_tag","description":"<!-- wp:generateblocks\/button-container {\"uniqueId\":\"6d8495a3\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"3d442e11\",\"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-3d442e11 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET CAGE GUIDED CONTROL VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_a0a547-00\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-cage-guided-control-valve\">What is Cage Guided Control Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA more modern version of the globe valve design uses a piston-shaped plug inside a surrounding cage with ports cast or machined into it.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThese cage-guided globe valves throttle flow by uncovering more or less of the port area in the surrounding cage as the plug moves up and down. The cage also serves to guide the plug so the stem need not be subjected to lateral forces as in a stem-guided valve design.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe Cage guided control valve is a balanced valve that can be used as a dump valve, pressure regulator, suction controller, recirculation valve, and plunger lift applications. Compared to the stem-guided series, cage guided control valves feature larger trim sizes (available in 2\" to 10\" end connections) for higher valve coefficients (Cv). Cage guided control valves can be equipped with an optional electric drive or operated with compressed air to meet zero-emission requirements.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":26426,\"width\":512,\"height\":384,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img class=\"wp-image-26426\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/08\/Control-Valve-0-1024x768.jpg\" alt=\"\" width=\"512\" height=\"384\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Structure of Cage Guided Globe Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCage-guided globe valves are available with both balanced and unbalanced plugs. A balanced plug has one or more ports drilled from top to bottom, allowing fluid pressure to equalize on both sides of the plug. This helps minimize the forces acting on the plug which must be overcome by the actuator:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27294,\"width\":587,\"height\":336,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img class=\"wp-image-27294\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/11\/Cage-guided-globe-valves.webp\" alt=\"\" width=\"587\" height=\"336\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nUnbalanced plugs generate a force equal to the product of the differential pressure across the plug and the plug\u2019s area (F = PA), which may be quite substantial in some applications.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nBalanced plugs do not generate this same force because they equalize the pressure on both sides of the plug, however, they exhibit the disadvantage of one more leak path when the valve is in the fully closed position (through the balancing ports, past the piston ring, and out the cage ports):\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27295,\"width\":552,\"height\":274,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img class=\"wp-image-27295\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/11\/Cage-guided-globe-valves-principle.webp\" alt=\"\" width=\"552\" height=\"274\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThus, balanced and unbalanced cage-guided globe valves exhibit similar characteristics to double ported and single-ported stem- or port-guided globe valves, and for similar reasons.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nBalanced cage guided valves are easy to position, just like double-ported stem-guided and port-guided globe valves.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nHowever, balanced cage-guided valves tend to leak more when in the shut position due to a greater number of leak paths, much the same as with double-ported stem-guided and port-guided globe valves.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Components of Cage Guide Globe Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list {\"ordered\":true} -->\r\n<ol>\r\n \t<li>Valve Trims<\/li>\r\n<\/ol>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAccording to the needs of the working conditions, different materials and surface hardening treatments can easily be chosen to meet the requirements of each function module of trim to improve its performance of the corrosion, cavitation, and erosion resistance, and lengthen service life.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list {\"ordered\":true,\"start\":2} -->\r\n<ol start=\"2\">\r\n \t<li>Valve body<\/li>\r\n<\/ol>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe body of LN8 series control valves consists of two passages from upper and lower, forming a shape like a letter \"S\". The design of an elliptical section reduces the flow resistance and turbulent flow to keep the flow fluent. The flap in the middle of the upper passage can reduce the eddy flow and increase the flow capacity.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list {\"ordered\":true,\"start\":3} -->\r\n<ol start=\"3\">\r\n \t<li>Actuator<\/li>\r\n<\/ol>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe standard mate is a Multi-spring pneumatic diaphragm actuator, which can be used in many conditions with the features of strong output force, high reliability, long lifespan, and extensive application. The output force changes with the number of springs. The high-stress-resistant diaphragm, bearing maximum pressure of 0.5 MPa air supply, gives the control valve a reliable shutoff. This type of actuator has a long life cycle of more than 1 million times.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Features of Cage Guided Control Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Modular design concept, combining the American and Japanese schools of high-precision control and the German school of the modular concept.<\/li>\r\n \t<li>The cage valve inner cavity of the valve body is S-shaped distribution, smooth and without dead ends; there are guide wings inside the valve body, which can reduce the mutual force of the medium inside the valve body and reduce the occurrence of cavitation.<\/li>\r\n \t<li>The use of sleeve guidance, large guide diameter, smooth guidance, with good dynamic stability.<\/li>\r\n \t<li>The cage valve seat adopts a floating design, while the sealing surface adopts a tapered form to ensure good alignment of the sealing sub.<\/li>\r\n \t<li>Sleeve window control flow characteristics, flow characteristics control accurately.<\/li>\r\n \t<li>The structure of the inner part is balanced, allowing a large differential pressure, small operating force, and large flow capacity.<\/li>\r\n \t<li>Equipment, linear and quick-open flow characteristics are available.<\/li>\r\n \t<li>Good use in the temperature range of -80 to 593\u2103.<\/li>\r\n \t<li>And pipeline connection with RF, RJ, FM, and other flange types and SW, and BW welding types.<\/li>\r\n \t<li>The flange distance conforms to GB\/T 17213.3-2005 \/ IEC 60534-3-1:2000; or ISA S75.03-1992 standard.<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->","parent":0,"count":5,"filter":"raw"},{"term_id":3178,"name":"control valve positioner","slug":"control-valve-positioner","term_group":0,"term_taxonomy_id":3178,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3179,"name":"control valve with positioner","slug":"control-valve-with-positioner","term_group":0,"term_taxonomy_id":3179,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3181,"name":"positioner for control valve","slug":"positioner-for-control-valve","term_group":0,"term_taxonomy_id":3181,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3180,"name":"positioner in control valve","slug":"positioner-in-control-valve","term_group":0,"term_taxonomy_id":3180,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3182,"name":"positioner of control valve","slug":"positioner-of-control-valve","term_group":0,"term_taxonomy_id":3182,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3177,"name":"valve positioner","slug":"valve-positioner","term_group":0,"term_taxonomy_id":3177,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":3149,"label":"Actuated Globe Valve - Globe Control Valve"},{"value":3226,"label":"Cage Guided Control Valve"},{"value":3178,"label":"control valve positioner"},{"value":3179,"label":"control valve with positioner"},{"value":3181,"label":"positioner for control valve"},{"value":3180,"label":"positioner in control valve"},{"value":3182,"label":"positioner of control valve"},{"value":3177,"label":"valve positioner"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Positioner in Control Valve - Siemens Valve Controller | 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\/high-pressure-pneumatic-diaphragm-control-valve-siemens-pneumatic-control-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabellow.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Positioner in Control Valve - Siemens Valve Controller | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"Pneumatic control valve The control valve can know some information from its name, and the adjustment range of the keyword adjustment is ... 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