{"id":8562,"date":"2021-12-30T07:24:17","date_gmt":"2021-12-30T07:24:17","guid":{"rendered":"https:\/\/zecovalve.com\/news-function-of-pneumatic-valve-positioner-api-approved-valve-manufacturer.html"},"modified":"2022-11-01T05:53:26","modified_gmt":"2022-11-01T05:53:26","slug":"news-function-of-pneumatic-valve-positioner-api-approved-valve-manufacturer","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/tr\/news-function-of-pneumatic-valve-positioner-api-approved-valve-manufacturer.html","title":{"rendered":"Pn\u00f6matik Kontrol Vanas\u0131 Konumland\u0131r\u0131c\u0131"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Kontrol Vanas\u0131nda Pozisyoner Nedir?<\/h2>\n\n\n\n<p>Valf konumlay\u0131c\u0131, proses kontrol\u00f6r\u00fc ve akt\u00fcat\u00f6r ile aray\u00fcz olu\u015fturan ve valfin tam konumunu alg\u0131layabilmesi i\u00e7in valf g\u00f6vdesine ba\u011flanan bir cihazd\u0131r. Pozisyoner, proses kontrol\u00f6r\u00fcnden bir giri\u015f sinyali al\u0131r ve vanay\u0131 hareket ettirmek i\u00e7in akt\u00fcat\u00f6re bir sinyal g\u00f6nderir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Valf Konumland\u0131r\u0131c\u0131 Yap\u0131land\u0131rmas\u0131<\/h2>\n\n\n\n<p>Valf konumlay\u0131c\u0131lar yap\u0131lar\u0131na ve \u00e7al\u0131\u015fma prensiplerine g\u00f6re pn\u00f6matik valf konumlay\u0131c\u0131lar, elektro-pn\u00f6matik Valf konumlay\u0131c\u0131lar ve ak\u0131ll\u0131 valf konumlay\u0131c\u0131lar olarak ayr\u0131labilir.<\/p>\n\n\n\n<p>Valf konumlay\u0131c\u0131, d\u00fczenleme valfinin \u00e7\u0131k\u0131\u015f g\u00fcc\u00fcn\u00fc art\u0131rabilir, d\u00fczenleme sinyalinin iletim gecikmesini azaltabilir, valf g\u00f6vdesinin hareketini h\u0131zland\u0131rabilir, valfin do\u011frusall\u0131\u011f\u0131n\u0131 iyile\u015ftirebilir, valf g\u00f6vdesinin s\u00fcrt\u00fcnmesinin \u00fcstesinden gelebilir ve etkisini ortadan kald\u0131rabilir. Kontrol vanas\u0131n\u0131n do\u011fru konumland\u0131r\u0131lmas\u0131n\u0131 sa\u011flamak i\u00e7in dengesiz kuvvet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Valf Konumland\u0131r\u0131c\u0131 Adapt\u00f6rleri<\/h2>\n\n\n\n<p>Yayg\u0131n olarak kullan\u0131lan akt\u00fcat\u00f6rler pn\u00f6matik akt\u00fcat\u00f6rler, elektrikli akt\u00fcat\u00f6rlerdir, d\u00fcz stroklar ve a\u00e7\u0131sal stroklar vard\u0131r. Her t\u00fcrl\u00fc vana, r\u00fczgar plakas\u0131 vb.nin otomatik, manuel a\u00e7\u0131l\u0131p kapat\u0131lmas\u0131 i\u00e7in.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-valve-positioner-working-principle\">Valf Konumland\u0131r\u0131c\u0131 \u00c7al\u0131\u015fma Prensibi<\/h2>\n\n\n\n<p>Valf konumlay\u0131c\u0131, kontrol valfinin ana aksesuar\u0131d\u0131r. Giri\u015f geri besleme \u00f6l\u00e7\u00fcm sinyali olarak valf sap\u0131 yer de\u011fi\u015ftirme sinyalini al\u0131r, ayar sinyali olarak kontrol\u00f6r \u00e7\u0131k\u0131\u015f sinyalini al\u0131r, kar\u015f\u0131la\u015ft\u0131rmay\u0131 s\u00fcrd\u00fcr\u00fcr, ikisinde sapma oldu\u011funda, \u00e7\u0131k\u0131\u015f sinyalini y\u00fcr\u00fctme mekanizmas\u0131na de\u011fi\u015ftirir, y\u00fcr\u00fctme mekanizmas\u0131n\u0131n harekete ge\u00e7mesine neden olur , valf g\u00f6vdesinin yer de\u011fi\u015ftirme katsay\u0131s\u0131 ile kontrol\u00f6r\u00fcn \u00e7\u0131k\u0131\u015f sinyali aras\u0131ndaki bire bir yaz\u0131\u015fma kurulur. Bu nedenle, valf konumlay\u0131c\u0131, kontrol\u00f6r ayar sinyali geri besleme kontrol sisteminin \u00e7\u0131k\u0131\u015f\u0131na giden bir valf g\u00f6vdesi yer de\u011fi\u015ftirme \u00f6l\u00e7\u00fcm sinyalinden olu\u015fur. Kontrol sisteminin kontrol de\u011fi\u015fkenleri, vana konumlay\u0131c\u0131n\u0131n akt\u00fcat\u00f6re verdi\u011fi \u00e7\u0131k\u0131\u015f sinyalleridir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Valf Konumland\u0131r\u0131c\u0131lar\u0131n S\u0131n\u0131fland\u0131r\u0131lmas\u0131<\/h2>\n\n\n\n<p>Giri\u015f sinyaline g\u00f6re valf konumland\u0131r\u0131c\u0131, pn\u00f6matik valf konumlay\u0131c\u0131 ve elektrikli valf konumlay\u0131c\u0131ya b\u00f6l\u00fcnm\u00fc\u015ft\u00fcr. Pn\u00f6matik valf konumland\u0131r\u0131c\u0131 giri\u015f sinyali standart bir gaz sinyalidir, \u00f6rne\u011fin 20 ~ 100KPA gaz sinyali, \u00e7\u0131k\u0131\u015f sinyali standart bir gaz sinyalidir. Elektrikli valf konumlay\u0131c\u0131 giri\u015f sinyali, 4~20mA ak\u0131m sinyali veya 1~5V voltaj sinyali vb. gibi standart ak\u0131m veya voltaj sinyalidir. Elektrikli valfte konumlay\u0131c\u0131, elektromanyetik kuvvete d\u00f6n\u00fc\u015ft\u00fcr\u00fclecek ve ard\u0131ndan gaz sinyali \u00e7\u0131k\u0131\u015f\u0131 sa\u011flanacakt\u0131r. kadran kontrol vanas\u0131na.<br>Hareket y\u00f6n\u00fc, tek y\u00f6nl\u00fc valf konumland\u0131r\u0131c\u0131 ve iki y\u00f6nl\u00fc valf konumlay\u0131c\u0131 olarak ikiye ayr\u0131labilir. Piston akt\u00fcat\u00f6r\u00fcnde tek y\u00f6nl\u00fc valf konumland\u0131r\u0131c\u0131 kullan\u0131ld\u0131\u011f\u0131nda, valf konumlay\u0131c\u0131 yaln\u0131zca tek y\u00f6nde \u00e7al\u0131\u015f\u0131r ve iki y\u00f6nl\u00fc valf konumlay\u0131c\u0131, piston akt\u00fcat\u00f6r silindirinin her iki taraf\u0131nda ve her iki y\u00f6nde de \u00e7al\u0131\u015f\u0131r.<\/p>\n\n\n\n<p>Valf konumlay\u0131c\u0131 \u00e7\u0131k\u0131\u015f\u0131na ve giri\u015f sinyali kazanc\u0131na g\u00f6re semboller, pozitif valf konumlay\u0131c\u0131 ve negatif valf konumlay\u0131c\u0131 olarak ayr\u0131l\u0131r. Pozitif etkili valf konumlay\u0131c\u0131n\u0131n giri\u015f sinyali artt\u0131\u011f\u0131nda, \u00e7\u0131k\u0131\u015f sinyali de artar, b\u00f6ylece kazan\u00e7 pozitif olur. Kar\u015f\u0131 etkili Valf konumlay\u0131c\u0131n\u0131n giri\u015f sinyali art\u0131r\u0131ld\u0131\u011f\u0131nda, \u00e7\u0131k\u0131\u015f sinyali azal\u0131r ve dolay\u0131s\u0131yla kazan\u00e7 negatif olur.<\/p>\n\n\n\n<p>Bir valf konumlay\u0131c\u0131ya g\u00f6re giri\u015f sinyali, genel bir valf konumlay\u0131c\u0131ya ve bir saha veri yolu elektrikli valf konumlay\u0131c\u0131ya b\u00f6l\u00fcnebilen bir analog sinyal veya dijital sinyaldir. Genel bir valf konumlay\u0131c\u0131n\u0131n giri\u015f sinyali, analog hava bas\u0131nc\u0131 veya ak\u0131m ve gerilim sinyalidir ve saha veriyolu elektrikli valf konumland\u0131r\u0131c\u0131n\u0131n giri\u015f sinyali, saha veriyolunun dijital bir sinyalidir.<\/p>\n\n\n\n<p>CPU&#039;lu valf konumland\u0131r\u0131c\u0131n\u0131n genel elektrikli valf konumland\u0131r\u0131c\u0131ya ve ak\u0131ll\u0131 elektrikli valf konumland\u0131r\u0131c\u0131ya b\u00f6l\u00fcn\u00fcp b\u00f6l\u00fcnemeyece\u011fine g\u00f6re. Genel elektrikli valf konumlay\u0131c\u0131n\u0131n CPU&#039;su yoktur, dolay\u0131s\u0131yla zekas\u0131 yoktur ve ilgili ak\u0131ll\u0131 i\u015flemleri ger\u00e7ekle\u015ftiremez. CPU&#039;lu ak\u0131ll\u0131 valf konumlay\u0131c\u0131, ak\u0131ll\u0131 \u00e7al\u0131\u015fmay\u0131 ger\u00e7ekle\u015ftirebilir; \u00f6rne\u011fin, ileri kanal\u0131n vb. do\u011frusal olmayan dengelemesini ger\u00e7ekle\u015ftirebilir. Fieldbus elektrikli valf konumlay\u0131c\u0131, ilgili i\u015flemi ger\u00e7ekle\u015ftirmek i\u00e7in PID gibi fonksiyon mod\u00fcllerini de ger\u00e7ekle\u015ftirebilir. .<\/p>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/tr\/urun-kategori%cc%87si%cc%87\/globe-valve\/\">K\u00fcresel Vana \u00dcreticisi \u2013 \u00c7e\u015fitli K\u00fcresel Vana Tipleri<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/tr\/urun-kategori%cc%87si%cc%87\/gate-valve\/\">S\u00fcrg\u00fcl\u00fc Vana \u00dcreticisi - \u00c7e\u015fitli S\u00fcrg\u00fcl\u00fc Vana Tipleri<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/tr\/urun-kategori%cc%87si%cc%87\/ball-valve\/\">K\u00fcresel Vana \u00dcreticisi \u2013 \u00c7e\u015fitli K\u00fcresel Vana Tipleri<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/tr\/urun-kategori%cc%87si%cc%87\/butterfly-valve\/\">Kelebek Vana \u00dcreticisi \u2013 \u00c7e\u015fitli Kelebek Vana \u00c7e\u015fitleri<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/tr\/urun-kategori%cc%87si%cc%87\/balancing-valve\/\">Balans Vanas\u0131 \u2013 HVAC Vanas\u0131<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/tr\/urun-kategori%cc%87si%cc%87\/check-valve\/\">\u00c7ek Valf \u00dcreticisi \u2013 \u00c7e\u015fitli \u00c7ek Valf Tipleri<\/a>\n\n<\/div>\n\n\n\n<p>\u00d6ncesi ve sonras\u0131yla on makale<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/tr\/news-5-common-solenoid-valves-api-approved-valve-manufacturer.html\/\">Haberler \u2013 5 Yayg\u0131n Solenoid Valf | API onayl\u0131 valf \u00fcreticisi<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/tr\/news-5-characteristics-of-solenoid-valve-api-approved-valve-manufacturer.html\/\">Haberler \u2013 Solenoid Valf\u0131n 5 \u00d6zelli\u011fi | API onayl\u0131 valf \u00fcreticisi<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/tr\/news-6-kinds-of-valves-commonly-used-in-long-distance-pipeline-api-approved-valve-manufacturer.html\/\">Haberler \u2013 Uzun Mesafe Boru Hatlar\u0131nda Yayg\u0131n Olarak Kullan\u0131lan 6 \u00c7e\u015fit Vana | API onayl\u0131 valf \u00fcreticisi<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/tr\/news-5-tips-for-choosing-a-home-valve-api-approved-valve-manufacturer.html\/\">Haberler \u2013 Ev Vanas\u0131 Se\u00e7imi \u0130\u00e7in 5 \u0130pucu | API onayl\u0131 valf \u00fcreticisi<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/tr\/news-application-of-new-intelligent-valve-positioner-in-control-valve-api-approved-valve-manufacturer.html\/\">Haberler \u2013 Kontrol Vanas\u0131nda Yeni Ak\u0131ll\u0131 Vana Konumland\u0131r\u0131c\u0131n\u0131n Uygulanmas\u0131 | API onayl\u0131 valf \u00fcreticisi<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/tr\/news-modular-intelligent-electric-valve-controller-api-approved-valve-manufacturer.html\/\">Haberler \u2013 Mod\u00fcler Ak\u0131ll\u0131 Elektrikli Vana Kontrol Cihaz\u0131 | API onayl\u0131 valf \u00fcreticisi<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/tr\/news-the-development-course-of-valve-api-approved-valve-manufacturer.html\/\">Haberler \u2013 Valve&#039;\u0131n Geli\u015fim S\u00fcreci | API onayl\u0131 valf \u00fcreticisi<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/tr\/news-6-characteristics-of-valve-api-approved-valve-manufacturer.html\/\">Haberler \u2013 Vanan\u0131n 6 \u00d6zelli\u011fi | API onayl\u0131 valf \u00fcreticisi<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/tr\/news-application-of-valves-in-water-supply-system-api-approved-valve-manufacturer.html\/\">Haberler \u2013 Su Temin Sisteminde Vana Uygulamas\u0131 | API onayl\u0131 valf \u00fcreticisi<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/tr\/news-difference-between-flange-connection-threaded-connection-and-welded-connection-api-approved-valve-manufacturer.html\/\">Haberler \u2013 Flan\u015f Ba\u011flant\u0131s\u0131, Di\u015fli Ba\u011flant\u0131 ve Kaynakl\u0131 Ba\u011flant\u0131 Aras\u0131ndaki Fark | API onayl\u0131 valf \u00fcreticisi<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Kontrol Vanas\u0131nda Pozisyoner Nedir? Bir vana konumland\u0131r\u0131c\u0131, proses kontrol\u00f6r\u00fc ve akt\u00fcat\u00f6r ile aray\u00fcz olu\u015fturan bir cihazd\u0131r ... <a title=\"Pn\u00f6matik Kontrol Vanas\u0131 Konumland\u0131r\u0131c\u0131\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/tr\/news-function-of-pneumatic-valve-positioner-api-approved-valve-manufacturer.html\" aria-label=\"Pn\u00f6matik Kontrol Vanas\u0131 Konumland\u0131r\u0131c\u0131 hakk\u0131nda daha fazlas\u0131\">Daha fazla bilgi edinin<\/a><\/p>","protected":false},"author":2,"featured_media":26426,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[3226],"class_list":["post-8562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-cage-guided-control-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/08\/Control-Valve-0-1024x768.jpg",1024,768,true],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/tr\/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":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"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":3226,"label":"Cage Guided Control Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pneumatic Control Valve Positioner | 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\/tr\/news-function-of-pneumatic-valve-positioner-api-approved-valve-manufacturer.html\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pneumatic Control Valve Positioner | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"What is a Positioner in Control Valve? 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