{"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\/de\/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":"Stellungsregler im Regelventil - Siemens Ventilsteuerung"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Pneumatisches Steuerventil<\/h2>\n\n\n\n<p><span style=\"font-family: Arial;\">Das Steuerventil kann einige Informationen aus seinem Namen erkennen, und der Einstellbereich des Schl\u00fcsselworts \u201eadjustment\u201c liegt zwischen 0 und 100%.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Sorgf\u00e4ltige Freunde sollten feststellen, dass unter dem Kopf jedes Regelventils ein Ger\u00e4t h\u00e4ngt. Wer damit vertraut ist, muss wissen, dass dies das Herzst\u00fcck des Regelventils ist, der Ventilpositionierer. Durch dieses Ger\u00e4t kann die in den Kopf (pneumatischer Film) eintretende Luftmenge eingestellt werden. Kontrollieren Sie die Position des Ventils pr\u00e4zise<\/span>.<\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Der Positionierer ist ein intelligenter Positionierer und ein mechanischer Positionierer. In der heutigen Diskussion geht es um den mechanischen Positionierer, der in der Abbildung gezeigte Positionierer ist derselbe.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"font-family: Arial;\"><\/span><span style=\"font-family: Arial;\">Arbeitsprinzip<\/span> des Ventilstellungsreglers<\/h2>\n\n\n\n<p><span style=\"font-family: Arial;\">Die Luftquelle kommt aus der Druckluft der Luftkompressorstation, und es gibt einen Luftfilter <a href=\"https:\/\/zecovalve.com\/de\/water-pressure-reducing-valve-manufacturer-zeco-valve.html\/\" data-internallinksmanager029f6b8e52c=\"8\" title=\"Druckreduzierventil\" target=\"_blank\" rel=\"noopener\">Druckreduzierventil<\/a> vor dem Luftquelleneinlass des Ventilpositionierers, um die Druckluft zu reinigen. Die Gasquelle vom Auslass des Druckminderventils tritt vom Ventilpositionierer ein. Wie viel Gas in den Membrankopf des Ventils eintritt, wird anhand des Ausgangssignals des Reglers bestimmt.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Das vom Controller ausgegebene elektrische Signal betr\u00e4gt 4\u201320 mA, das pneumatische Signal betr\u00e4gt 20\u2013100 Kpa und die Umwandlung des elektrischen Signals in das pneumatische Signal erfolgt \u00fcber einen elektrischen Konverter.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Wenn das vom Regler ausgegebene elektrische Signal in ein entsprechendes Luftsignal umgewandelt wird, wird das umgewandelte Luftsignal auf den Balg angewendet. Hebel<\/span> 2 bewegt sich um den Drehpunkt, und der untere Teil des Hebels 2 bewegt sich nach rechts in die N\u00e4he der D\u00fcse. Der Gegendruck der D\u00fcse steigt. Nach der Verst\u00e4rkung durch den pneumatischen Verst\u00e4rker (der Teil mit dem Symbol kleiner als in der Abbildung) wird ein Teil der Luftquelle in die Luftkammer der pneumatischen Membran geleitet, und der Ventilschaft bewegt den Ventilkern nach unten, um das Ventil automatisch allm\u00e4hlich zu \u00f6ffnen und zu werden<span style=\"font-family: Arial;\"> kleiner. Zu diesem Zeitpunkt bewegt sich die mit dem Ventilschaft verbundene R\u00fcckkopplungsstange (die Schwingstange in der Abbildung) um den Drehpunkt nach unten, sodass sich das vordere Ende der Welle nach unten bewegt, die damit verbundene Exzenternocke gegen den Uhrzeigersinn dreht und die Rolle im Uhrzeigersinn dreht, um sich nach links zu bewegen, wodurch die R\u00fcckkopplungsfeder gespannt wird. Da sich der untere Teil des R\u00fcckkopplungsfederspannhebels 2 nach links bewegt, befindet er sich im Kr\u00e4ftegleichgewicht mit dem auf den Balg wirkenden Signaldruck, sodass das Ventil an einer bestimmten Position fixiert ist und sich nicht bewegt.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wissenserweiterung 1 zum Ventilstellungsregler<\/h2>\n\n\n\n<p><span style=\"font-family: Arial;\">Pneumatische Membranluftkammer-Bel\u00fcftungsquelle. Die Membran dr\u00fcckt die sechs von der Membran abgedeckten Federn nach unten und dr\u00fcckt dadurch den Ventilschaft nach unten. Der Ventilschaft ist mit dem Ventilkern verbunden und der Ventilkern ist in Vorw\u00e4rtsrichtung eingebaut, sodass die Luftquelle das Ventil in die Aus-Position bewegt. Daher wird es als Gasabsperrventil bezeichnet. Wenn es nicht ge\u00f6ffnet wird, bedeutet dies, dass das Ventil bei einer Unterbrechung der Luftzufuhr aufgrund von Konstruktions- oder Korrosionsproblemen der Luftleitung unter der Reaktionskraft der Feder zur\u00fcckgesetzt wird und sich das Ventil wieder in der vollst\u00e4ndig ge\u00f6ffneten Position befindet.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Wie benutzt man das Luftabsperrventil?<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Die Verwendung wird unter dem Gesichtspunkt der Sicherheit betrachtet, die eine notwendige Voraussetzung f\u00fcr das Ein- und Ausschalten der Luft ist.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Beispiel: Eines der Kernger\u00e4te eines Kessels ist ein Dampfkessel, und ein pneumatisches Hochdruckmembran-Steuerventil, das im Wasserversorgungssystem verwendet wird, muss luftdicht verschlossen sein. Warum? Wenn beispielsweise die Gaszufuhr oder die Stromversorgung pl\u00f6tzlich unterbrochen wird, brennt der Ofen immer noch heftig und erhitzt das Wasser im Kessel kontinuierlich. Wenn das Gas zum \u00d6ffnen des Regelventils verwendet wird und die Energie unterbrochen wird, wird das Ventil geschlossen und der Dampfkessel kocht innerhalb weniger Minuten ohne Wasser aus (Trockenbrand). Das ist sehr gef\u00e4hrlich. Es ist unm\u00f6glich, den Ausfall des Regelventils innerhalb kurzer Zeit zu beheben, was zum Stillstand des Kessels f\u00fchrt. Der Unfall passiert. Um Trockenbrand oder sogar Abschaltunf\u00e4lle zu vermeiden, m\u00fcssen daher Luftabsperrventile verwendet werden.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Obwohl die Energiezufuhr unterbrochen ist und das Regelventil vollst\u00e4ndig ge\u00f6ffnet ist, wird der Dampfbeh\u00e4lter kontinuierlich mit Wasser gef\u00fcllt, aber es kommt nicht dazu, dass der Dampfbeh\u00e4lter austrocknet. Es bleibt noch Zeit, den Ausfall des Regelventils zu beheben, und der Kessel wird nicht direkt gestoppt.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wissenserweiterung 2 zum Ventilstellungsregler<\/h2>\n\n\n\n<p><span style=\"font-family: Arial;\">Die Leistung des Ventilstellungsreglers entspricht der Geschwindigkeit einer Schildkr\u00f6te.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">\u00d6ffnen Sie nicht die vordere Abdeckung des Ventilstellungsreglers. H\u00f6ren Sie auf das Ger\u00e4usch und pr\u00fcfen Sie, ob das Luftquellenrohr Risse aufweist und undicht ist. Dies l\u00e4sst sich mit blo\u00dfem Auge erkennen. Und geben Sie die Luftkammer ein, um zu h\u00f6ren, ob es ein Leck gibt.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">\u00d6ffnen Sie die vordere Abdeckung des Ventilstellungsreglers. 1. \u00dcberpr\u00fcfen Sie, ob die konstante \u00d6ffnung blockiert ist. 2. \u00dcberpr\u00fcfen Sie die Position der Schallwand. 3. \u00dcberpr\u00fcfen Sie die Elastizit\u00e4t der R\u00fcckkopplungsfeder. 4. Zerlegen Sie das Fangda-Ger\u00e4t, um die Membran zu \u00fcberpr\u00fcfen.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Der Ausgang des Ventilstellungsreglers ist langweilig<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><span style=\"font-family: Arial;\">1. \u00dcberpr\u00fcfen Sie, ob der Luftdruck im angegebenen Bereich liegt und ob der R\u00fcckf\u00fchrhebel abgefallen ist. Dies ist der einfachste Schritt.<\/span><\/li><li><span style=\"font-family: Arial;\">2. \u00dcberpr\u00fcfen Sie, ob die Verdrahtung der Signalleitung korrekt ist (sp\u00e4ter auftretende Probleme werden in der Regel ignoriert).<\/span><\/li><li><span style=\"font-family: Arial;\">3. Steckt etwas zwischen der Spule und dem Anker fest?<\/span><\/li><li><span style=\"font-family: Arial;\">4. \u00dcberpr\u00fcfen Sie, ob die passende Position der D\u00fcse und der Schallwand angemessen ist<\/span><\/li><li><span style=\"font-family: Arial;\">5. \u00dcberpr\u00fcfen Sie den Spulenzustand der elektromagnetischen Komponente<\/span><\/li><li><span style=\"font-family: Arial;\">6. \u00dcberpr\u00fcfen Sie, ob die Debugging-Position der Ausgleichsfeder angemessen ist<\/span><\/li><\/ul>\n\n\n\n<p><span style=\"font-family: Arial;\">Anschlie\u00dfend wird ein Eingangssignal ausgegeben, aber der Ausgangsdruck \u00e4ndert sich nicht, wenn ein Ausgang vorhanden ist, wird der Maximalwert nicht erreicht usw. ZECO Valve lieferte Siemens pneumatische Regelventile f\u00fcr Kraftwerksprojekte. Wenn Sie an unserem Produkt interessiert sind, wenden Sie sich bitte an <\/span>Kontakt <span style=\"font-family: Arial;\">uns.<\/span><\/p>\n\n\n\n<!-- Andy:h-related-tags -->\n<h2 id=\"h-related-tags\">Verwandte Tags:<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/\">ZECO-Ventil<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/difference-between-gate-valves-and-ball-valves.html\/\">Schieberventil vs. Kugelhahn<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/produkt\/manual-gate-valve\/\">Hersteller von manuell bet\u00e4tigten Absperrschiebern<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/the-difference-between-globe-valve-and-ball-valve.html\/\">Durchgangsventil vs. Kugelhahn<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a 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Ventilhersteller<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/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\/\">Hochtemperatur-Schieber, WC6-Druckdichtungs-Schieber \u2013 Titan-Kugelh\u00e4hne Lieferant China, Hersteller von kryogenen Kugelh\u00e4hnen China, C95800-Absperrklappe in China, Fabrik f\u00fcr balgversiegelte Kugelh\u00e4hne, Inconel 625-Kugelhahnfirma | Professioneller Ventilhersteller<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Pneumatisches Steuerventil Das Steuerventil kann einige Informationen aus seinem Namen kennen, und der Einstellbereich des Schl\u00fcsselworts Einstellung ist ... <a title=\"Stellungsregler im Regelventil \u2013 Siemens Ventilregler\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/de\/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=\"Mehr zu Stellungsregler in Regelventil \u2013 Siemens Valve Controller\">Weiterlesen ...<\/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\/de\/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\/de\/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=\"de_DE\" \/>\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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