Kelebek vanan\u0131n yap\u0131sal \u00f6zellikleri, mil ekseni, kelebek plakan\u0131n merkezi ve g\u00f6vde merkezinin ayn\u0131 konumda olmas\u0131d\u0131r. Faydal\u0131 model, basit yap\u0131 ve uygun \u00fcretim avantajlar\u0131na sahiptir. Yayg\u0131n olarak kullan\u0131lan kau\u00e7uk kapl\u0131 kelebek vanalar bu kategoriye girer. Dezavantaj\u0131 ise kelebek plakan\u0131n ve valf yuvas\u0131n\u0131n her zaman ekstr\u00fczyon, \u00e7izilme, b\u00fcy\u00fck diren\u00e7 mesafesi ve h\u0131zl\u0131 a\u015f\u0131nma ve y\u0131pranma durumunda olmas\u0131d\u0131r. Ekstr\u00fczyon ve \u00e7izilme sorunlar\u0131n\u0131n \u00fcstesinden gelmek ve s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 sa\u011flamak i\u00e7in valf yuvas\u0131 temel olarak kau\u00e7uk veya PTFE gibi elastik malzemelerden yap\u0131l\u0131r ancak ayn\u0131 zamanda kullan\u0131m s\u0131cakl\u0131\u011f\u0131yla da s\u0131n\u0131rl\u0131d\u0131r. Bu nedenle kelebek vanalar\u0131n geleneksel olarak y\u00fcksek s\u0131cakl\u0131klara dayan\u0131kl\u0131 oldu\u011fu d\u00fc\u015f\u00fcn\u00fcl\u00fcr.<\/p>\n\n\n\n
Ekstr\u00fczyon problemini \u00e7\u00f6zmek i\u00e7in e\u015fmerkezli kelebek vana<\/strong>\u00a0kelebek plakal\u0131 ve vana yuvas\u0131ndan tek eksantrik kelebek vana \u00fcretilmektedir. Yap\u0131sal \u00f6zelli\u011fi, g\u00f6vde ekseninin kelebek plakas\u0131n\u0131n merkezinden sapmas\u0131, b\u00f6ylece kelebek plakas\u0131n\u0131n alt ucunun art\u0131k d\u00f6nme merkezi olmamas\u0131 ve kelebek plakas\u0131n\u0131n alt ucunun a\u015f\u0131r\u0131 ekstr\u00fczyonu ve valf yuvas\u0131 da\u011f\u0131l\u0131r ve hafifletilir. Bununla birlikte, valf anahtar\u0131 kelebek plakas\u0131n\u0131n t\u00fcm prosesindeki tek eksantriklik yap\u0131s\u0131ndan dolay\u0131 ve koltuk \u00e7izilme olgusu ortadan kalkmam\u0131\u015ft\u0131r, uygulama aral\u0131\u011f\u0131nda ve e\u015fmerkezli kelebek valf benzerdir, bu nedenle kullan\u0131c\u0131 fazla de\u011fildir.<\/p>\n\n\n\n Tek eksantrik kelebek vana esas al\u0131narak g\u00fcn\u00fcm\u00fczde yayg\u0131n olarak kullan\u0131lan \u00e7ift eksantrik kelebek vana daha da geli\u015ftirilmi\u015ftir. Biz de \u00e7ift ofset kelebek vana \u00fcreticilerinden biriyiz. Yap\u0131n\u0131n \u00f6zelli\u011fi, valf milinin ekseninin hem kelebek plakas\u0131n\u0131n merkezinden hem de g\u00f6vdenin merkezinden sapmas\u0131d\u0131r. \u00c7ift eksantrikli\u011fin etkisi, kelebek plakas\u0131n\u0131n vana a\u00e7\u0131ld\u0131ktan hemen sonra vana yuvas\u0131ndan ayr\u0131lmas\u0131n\u0131 sa\u011flar, kelebek plakas\u0131 ile vana yuvas\u0131 aras\u0131ndaki gereksiz a\u015f\u0131r\u0131 ekstr\u00fczyonu ve \u00e7izilmeyi b\u00fcy\u00fck \u00f6l\u00e7\u00fcde ortadan kald\u0131r\u0131r, a\u00e7\u0131lma direncini azalt\u0131r, a\u015f\u0131nmay\u0131 azalt\u0131r ve servis hizmetini iyile\u015ftirir valf yuvas\u0131n\u0131n \u00f6mr\u00fc. \u00c7izik b\u00fcy\u00fck \u00f6l\u00e7\u00fcde azal\u0131r. Ayn\u0131 zamanda, \u00e7ift eksantrik kelebek vana metal yuvas\u0131n\u0131 da kullanabilir, bu da kelebek vanan\u0131n y\u00fcksek s\u0131cakl\u0131k alan\u0131ndaki uygulamas\u0131n\u0131 geli\u015ftirir. Ancak s\u0131zd\u0131rmazl\u0131k prensibi konum s\u0131zd\u0131rmazl\u0131k yap\u0131s\u0131 oldu\u011fundan, yani kelebek plakan\u0131n ve koltu\u011fun s\u0131zd\u0131rmazl\u0131k y\u00fczeyi ayn\u0131 hizada oldu\u011fundan ve kelebek plakan\u0131n koltu\u011fu \u00e7\u0131karmas\u0131ndan kaynaklanan elastik deformasyon bir s\u0131zd\u0131rmazl\u0131k etkisi \u00fcretti\u011finden, y\u00fcksek bir kapatma gerektirir. konumu (\u00f6zellikle metal koltuk) ve d\u00fc\u015f\u00fck bas\u0131n\u00e7 ta\u015f\u0131ma kapasitesi. Bu nedenle kelebek vanalar\u0131n geleneksel olarak y\u00fcksek bas\u0131nca dayan\u0131kl\u0131 oldu\u011fu ve \u00e7ok fazla s\u0131z\u0131nt\u0131 yapt\u0131\u011f\u0131 d\u00fc\u015f\u00fcn\u00fcl\u00fcr.<\/p>\n\n\n\n Y\u00fcksek s\u0131cakl\u0131klara dayanabilmek i\u00e7in sert contalar\u0131n kullan\u0131lmas\u0131 gerekir, ancak s\u0131z\u0131nt\u0131 b\u00fcy\u00fckt\u00fcr; S\u0131z\u0131nt\u0131y\u0131 s\u0131f\u0131ra indirmek i\u00e7in yumu\u015fak contalar kullan\u0131lmal\u0131d\u0131r ancak y\u00fcksek s\u0131cakl\u0131klar kullan\u0131lmamal\u0131d\u0131r. \u00c7ift eksantriklik kelebek vana \u00e7eli\u015fkisinin \u00fcstesinden gelmek i\u00e7in kelebek vanan\u0131n \u00fc\u00e7\u00fcnc\u00fc eksantrikli\u011fi ger\u00e7ekle\u015ftirildi. Yap\u0131n\u0131n \u00f6zelli\u011fi, kelebek plaka s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin konik ekseninin g\u00f6vdenin silindir eksenine e\u011fik, \u00e7ift eksantrik milin eksen konumunun ise eksantrik olmas\u0131d\u0131r. Yani \u00fc\u00e7\u00fcnc\u00fc eksantrikten sonra kelebek plakas\u0131n\u0131n s\u0131zd\u0131rmazl\u0131k k\u0131sm\u0131 art\u0131k ger\u00e7ek daire de\u011fil elips \u015feklindedir. Bu nedenle s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin \u015fekli asimetriktir; bir taraf\u0131 g\u00f6vde merkez \u00e7izgisine e\u011fimli, di\u011fer taraf\u0131 g\u00f6vde merkez \u00e7izgisine paraleldir. Biz de y\u00fcksek kaliteye sahip \u00fc\u00e7 eksantrik kelebek vana \u00fcreticilerinden biriyiz. 1. E\u015fmerkezli kelebek vana Kelebek vanan\u0131n yap\u0131sal \u00f6zellikleri, g\u00f6vdenin ekseninin, merkezinin\u2026 Daha fazla bilgi edinin<\/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":[2210],"tags":[2629,1881],"class_list":["post-17471","post","type-post","status-publish","format-standard","hentry","category-butterfly-valve","tag-api-609-butterfly-valve","tag-butterfly-valve-wikipedia","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\/tr\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":2210,"name":"Butterfly Valve","slug":"butterfly-valve","term_group":0,"term_taxonomy_id":2210,"taxonomy":"category","description":"","parent":0,"count":49,"filter":"raw","cat_ID":2210,"category_count":49,"category_description":"","cat_name":"Butterfly Valve","category_nicename":"butterfly-valve","category_parent":0}],"tag_info":[{"term_id":2629,"name":"API 609 Butterfly Valve","slug":"api-609-butterfly-valve","term_group":0,"term_taxonomy_id":2629,"taxonomy":"post_tag","description":"\r\n3. \u00c7ift ofset kelebek vana<\/h2>\n\n\n\n
4. \u00dc\u00e7l\u00fc kelebek vana<\/h2>\n\n\n\n
\u00dc\u00e7\u00fcnc\u00fc eksantrikli\u011fin en b\u00fcy\u00fck \u00f6zelli\u011fi, konum contas\u0131n\u0131 de\u011fil, burulma contas\u0131n\u0131 temel olarak s\u0131zd\u0131rmazl\u0131k yap\u0131s\u0131n\u0131 de\u011fi\u015ftirmesidir; yani koltu\u011fun elastik deformasyonuna de\u011fil, tamamen koltu\u011fun temas y\u00fczeyi bas\u0131nc\u0131na g\u00fcvenir. S\u0131zd\u0131rmazl\u0131k etkisi elde etmek i\u00e7in. Bu nedenle metal koltuklar\u0131n s\u0131f\u0131r s\u0131z\u0131nt\u0131s\u0131 sorunu tek seferde \u00e7\u00f6z\u00fcl\u00fcr. Temas y\u00fczeyinin bas\u0131nc\u0131 ortam\u0131n bas\u0131nc\u0131yla orant\u0131l\u0131 oldu\u011fundan, y\u00fcksek bas\u0131n\u00e7 ve y\u00fcksek s\u0131cakl\u0131k direnci de \u00e7\u00f6z\u00fcl\u00fcr.<\/p>","protected":false},"excerpt":{"rendered":"What is API 609 Standard?<\/h2>\r\n\r\n\r\n\r\n\r\nAPI 609 is the American design standard for butterfly valves, which is divided into Category A and B.\r\n\r\n\r\n\r\n\r\n
What is an API 609 Butterfly Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA butterfly valve is used to shut off or modulate the flow of a fluid (isolation and regulation). API 609 Centric butterfly valves (soft seated) are preferred to gate and ball valves for low-pressure and non-critical applications as they are cheaper, lighter, and easier to install. Eccentric butterfly valves (double offset and triple offset valves) with metal seats have surged in popularity and compete with globe and ball valves for some applications.\r\n\r\n\r\n\r\n\r\n\r\nGET API 609 BUTTERFLY VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
Types of API 609 Butterfly Valve<\/h2>\r\n\r\n\r\n\r\n
API 609 Category A Butterfly Valve<\/h3>\r\n\r\n\r\n\r\n\r\nThe Centric or concentric butterfly valve is the primary type of butterfly valve design. In this design of the valve, the stem crosses from the centerline of the disc. Between the pipe bore and the seat, there is the inside diameter boundary. This zero-offset valve is also called resilient-seated because it relies on the adaptability of the seat rubber to seal the flow after closing it efficiently. At around 85\u00b0 during a 90\u00b0 rotation, the disc first comes into connection with the seat in this kind of valve. Concentric butterfly valves are generally used for low-pressure applications.\r\n\r\n\r\n\r\n\r\n
API 609 Category B Butterfly Valve<\/h3>\r\n\r\n\r\n\r\n\r\nIn the eccentric butterfly valve, the stem passes behind the centerline of the disc instead of passing through it. As the stem is positioned behind the centerline, the valve is called a single offset. This design helps to minimize the disc contact with the seal, which increases the service life of the valve. In double-offset butterfly valves or doubly eccentric butterfly valves, the stem is positioned at the backside of the disc with an extra offset. This stem design allows the rotating disc to cover the seat only for one to three degrees. A triple offset butterfly valve is frequently used in more complex applications that have the same design as a double offset butterfly valve. A triple offset butterfly valve is efficient and reduces wear. This valve has metal seats that create a bubble-tight shut-off and make it able to use in higher temperature applications.\r\n\r\n","parent":0,"count":9,"filter":"raw"},{"term_id":1881,"name":"Butterfly Valve Wikipedia","slug":"butterfly-valve-wikipedia","term_group":0,"term_taxonomy_id":1881,"taxonomy":"post_tag","description":"\r\n\r\n\r\n
What is a Butterfly Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nButterfly Valve is a valve that can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of Ball Valves, which allows for quick shut-off. Butterfly valves are generally favored because they are lower in cost than other valve designs as well as being lighter in weight, meaning less support is required. The disc is positioned in the center of the pipe, passing through the disc is a rod connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always present within the flow, therefore a pressure drop is always induced in the flow, regardless of valve position.\r\n\r\n\r\n\r\n\r\n\r\nGET BUTTERFLY VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
Types of Butterfly Valves<\/h2>\r\n\r\n\r\n\r\n
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Gate Valve vs Butterfly Valve<\/h2>\r\n\r\n\r\n\r\n\r\nButterfly valves are comparatively more extensively used in large sizes compared to gate valves. Because butterfly valves open and close quickly and can be frequently operated, they are ideal for applications that require quick opening and closing, especially for emergency shutoffs.\r\n\r\n","parent":0,"count":11,"filter":"raw"}],"taxonomy_info":{"category":[{"value":2210,"label":"Butterfly Valve"}],"post_tag":[{"value":2629,"label":"API 609 Butterfly Valve"},{"value":1881,"label":"Butterfly Valve Wikipedia"}]},"yoast_head":"\n