{"id":1716,"date":"2025-12-08T08:00:00","date_gmt":"2025-12-08T08:00:00","guid":{"rendered":"https:\/\/www.tgvalve.com\/?p=1716"},"modified":"2025-12-17T00:43:45","modified_gmt":"2025-12-17T00:43:45","slug":"viton-vs-buna-which-seal-to-choose","status":"publish","type":"post","link":"https:\/\/www.tgvalve.com\/tr\/blog\/standards\/viton-vs-buna-which-seal-to-choose\/","title":{"rendered":"Viton mu, Buna m\u0131: Uygulaman\u0131z \u0130\u00e7in Do\u011fru Contay\u0131 Bulmak"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Viton ve Buna aras\u0131nda se\u00e7im yapmak sadece hangi malzemenin &quot;daha iyi&quot; oldu\u011fuyla ilgili de\u011fildir. Sisteminizde vazge\u00e7ilmez iki fakt\u00f6r s\u00f6z konusudur: s\u0131cakl\u0131k ve kimyasal maruziyet.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d6ncelikle, Viton (FKM) a\u015f\u0131r\u0131 \u0131s\u0131ya ve sert kimyasallara dayanacak \u015fekilde \u00fcretilmi\u015f birinci s\u0131n\u0131f bir elastomerdir. \u00d6te yandan, Buna-N (NBR) ise ya\u011flar ve yak\u0131tlar i\u00e7in tasarlanm\u0131\u015f, uygun maliyetli ve dayan\u0131kl\u0131 bir malzemedir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do\u011fru contay\u0131 se\u00e7mek, her malzemenin dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 prosesinizin gereksinimleriyle e\u015fle\u015ftirmek anlam\u0131na gelir. Do\u011fru yaparsan\u0131z, ekipman\u0131n\u0131z sorunsuz \u00e7al\u0131\u015f\u0131r. Yanl\u0131\u015f yaparsan\u0131z, \u015fi\u015fme, sertle\u015fme, s\u0131z\u0131nt\u0131 veya contan\u0131n tamamen ar\u0131zalanmas\u0131 riskiyle kar\u015f\u0131 kar\u015f\u0131ya kal\u0131rs\u0131n\u0131z. Daha fazla bilgi edinmek i\u00e7in okumaya devam edin.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"670\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-1200x670.webp\" alt=\"Viton ve Buna kar\u015f\u0131la\u015ft\u0131rmas\u0131\" class=\"wp-image-1747\" style=\"width:500px\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-1200x670.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-scaled-800x447.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-500x279.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-300x167.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-768x429.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-1536x857.webp 1536w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-2048x1143.webp 2048w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-134x75.webp 134w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/12\/Viton-vs-Buna-480x268.webp 480w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Viton ve Buna Tam Olarak Nedir?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kar\u015f\u0131la\u015ft\u0131rma yapmadan \u00f6nce, isimlerin ard\u0131ndaki materyalleri anlamak faydal\u0131 olacakt\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Viton (FKM)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Viton, genellikle FKM olarak bilinen florokarbon elastomerler i\u00e7in tan\u0131nm\u0131\u015f bir marka ad\u0131d\u0131r. Bu elastomerler, standart kau\u00e7uklar\u0131n dayanamad\u0131\u011f\u0131 y\u00fcksek performansl\u0131 s\u0131zd\u0131rmazl\u0131k i\u00e7in tasarlanm\u0131\u015ft\u0131r. Viton bir koltuk se\u00e7ti\u011finizde... <a href=\"https:\/\/www.tgvalve.com\/tr\/blog\/butterfly-valve\/what-are-butterfly-valves-used-for\/\" target=\"_blank\" rel=\"noreferrer noopener\">kelebek vana<\/a>, Ba\u015fvurunuzun \u015funlar\u0131 i\u00e7erdi\u011fini belirtiyorsunuz:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Y\u00fcksek \u00e7al\u0131\u015fma s\u0131cakl\u0131klar\u0131<\/li>\n\n\n\n<li>G\u00fc\u00e7l\u00fc kimyasal ortamlar<\/li>\n\n\n\n<li>Yak\u0131tlar, ya\u011flar veya a\u015f\u0131nd\u0131r\u0131c\u0131 i\u015flem ortamlar\u0131<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bunu unutmay\u0131n<\/strong>Viton, di\u011fer malzemelerin h\u0131zla bozuldu\u011fu yerlerde m\u00fckemmel performans g\u00f6sterir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Buna-N (NBR)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Buna-N, Nitril B\u00fctadien Kau\u00e7uk anlam\u0131na gelir ve petrol bazl\u0131 s\u0131v\u0131lar i\u00e7in end\u00fcstrinin en \u00e7ok tercih edilen malzemesidir. \u00d6zellikle yak\u0131t ve ya\u011flama ya\u011flar\u0131na kar\u015f\u0131 dayan\u0131kl\u0131 olmas\u0131 i\u00e7in geli\u015ftirilmi\u015ftir, bu nedenle a\u015fa\u011f\u0131daki alanlarda yayg\u0131n olarak tercih edilir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Otomotiv sistemleri<\/li>\n\n\n\n<li>Hidrolik devreler<\/li>\n\n\n\n<li>Petrol a\u011f\u0131rl\u0131kl\u0131 end\u00fcstriyel s\u00fcre\u00e7ler<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Buna-N contal\u0131 kelebek vana, uygun ortamda kullan\u0131ld\u0131\u011f\u0131nda ucuz, \u00f6ng\u00f6r\u00fclebilir ve son derece etkilidir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Viton: A\u015f\u0131r\u0131 Is\u0131 ve Sert Kimyasallar \u0130\u00e7in \u00dcretilmi\u015ftir<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Viton&#039;un en b\u00fcy\u00fck sat\u0131\u015f noktas\u0131 ola\u011fan\u00fcst\u00fc y\u00fcksek s\u0131cakl\u0131k dayan\u0131m\u0131d\u0131r. Yakla\u015f\u0131k 200\u00b0C&#039;ye kadar performans g\u00f6sterir ve bu da onu end\u00fcstriyel s\u0131zd\u0131rmazl\u0131kta kullan\u0131lan en \u0131s\u0131ya dayan\u0131kl\u0131 elastomerlerden biri yapar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Di\u011fer \u00f6nemli g\u00fc\u00e7l\u00fc y\u00f6nleri \u015funlard\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Yak\u0131t ve ya\u011flara kar\u015f\u0131 m\u00fckemmel diren\u00e7<\/li>\n\n\n\n<li>Agresif ortamlara kar\u015f\u0131 m\u00fckemmel kimyasal uyumluluk.<\/li>\n\n\n\n<li>Ozon ve hava ko\u015fullar\u0131na kar\u015f\u0131 y\u00fcksek dayan\u0131kl\u0131l\u0131k<\/li>\n\n\n\n<li>Minimum s\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131l\u0131\u011f\u0131 (zamanla \u015feklini iyi korur)<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bu \u00f6zellikler, Viton&#039;u kimyasal i\u015fleme, havac\u0131l\u0131k ve uzay sanayi ve y\u00fcksek s\u0131cakl\u0131k sistemleri gibi zorlu uygulamalarda tercih edilen malzeme haline getiriyor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Viton&#039;un Yetersiz Kald\u0131\u011f\u0131 Noktalar<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En kaliteli malzemelerin bile s\u0131n\u0131rlar\u0131 vard\u0131r:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Y\u00fcksek Maliyet<\/strong><br>Viton, Buna&#039;ya g\u00f6re \u00f6nemli \u00f6l\u00e7\u00fcde daha pahal\u0131d\u0131r, bazen maliyetinin birka\u00e7 kat\u0131d\u0131r. Performans i\u00e7in \u00f6deme yapars\u0131n\u0131z.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. D\u00fc\u015f\u00fck S\u0131cakl\u0131klarda Zay\u0131f Esneklik<\/strong><br>Viton, -20\u00b0C&#039;nin alt\u0131nda sertle\u015fir; bu durum, dondurucu d\u0131\u015f ortam ko\u015fullar\u0131nda veya so\u011futma sistemlerinde s\u0131z\u0131nt\u0131ya veya \u00e7atlamaya neden olabilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Belirli Kimyasallara Kar\u015f\u0131 Hassasiyet<\/strong><br>Kimyasal dayan\u0131kl\u0131l\u0131\u011f\u0131na ra\u011fmen, Viton a\u015fa\u011f\u0131daki maddelere kar\u015f\u0131 zay\u0131f performans g\u00f6sterir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ketonlar (aseton, MEK)<\/li>\n\n\n\n<li>Organik asitler<\/li>\n\n\n\n<li>S\u0131cak su ve y\u00fcksek bas\u0131n\u00e7l\u0131 buhar<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Buhar sistemleri i\u00e7in genellikle EPDM veya PTFE tercih edilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Buna-N: G\u00fcvenilir Ya\u011f ve Yak\u0131t S\u0131zd\u0131rmazl\u0131k Malzemesi<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Buna-N, hidrokarbon hizmetleri i\u00e7in ilk tercih edilen malzemedir. Petrol \u00fcr\u00fcnlerine kar\u015f\u0131 direnci, fiyat aral\u0131\u011f\u0131nda rakipsizdir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ba\u015fl\u0131ca avantajlar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ya\u011flara ve yak\u0131tlara kar\u015f\u0131 m\u00fckemmel diren\u00e7.<\/li>\n\n\n\n<li>Y\u00fcksek \u00e7ekme dayan\u0131m\u0131<\/li>\n\n\n\n<li>\u0130yi a\u015f\u0131nma direnci<\/li>\n\n\n\n<li>\u00c7ok uygun fiyatl\u0131<\/li>\n\n\n\n<li>Vanalar, O-ringler, contalar ve ke\u00e7eler kolayca temin edilebilir.<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bu nedenle Buna-N, otomotiv uygulamalar\u0131nda, kompres\u00f6rlerde, pompalarda ve hidrolik ekipmanlarda yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Buna-N&#039;nin Zorland\u0131\u011f\u0131 Yerler<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Is\u0131 Hassasiyeti<\/strong><br>NBR, 100 ila 120\u00b0C civar\u0131nda bozulmaya ba\u015flar ve bu da onu y\u00fcksek s\u0131cakl\u0131k i\u015flemleri i\u00e7in uygunsuz hale getirir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Zay\u0131f Hava Ko\u015fullar\u0131na Dayan\u0131kl\u0131l\u0131k<\/strong><br>UV \u0131\u015f\u0131\u011f\u0131, ozon ve d\u0131\u015f ortam ko\u015fullar\u0131na maruz kalma, daha \u00f6zel elastomerlere k\u0131yasla Buna-N&#039;yi daha h\u0131zl\u0131 bozabilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. S\u0131n\u0131rl\u0131 Kimyasal Uyumluluk<\/strong><br>Ya\u011flarla m\u00fckemmel uyum sa\u011flasa da, Buna a\u015fa\u011f\u0131daki maddelere kar\u015f\u0131 zay\u0131f diren\u00e7 g\u00f6sterir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>G\u00fc\u00e7l\u00fc asitler<\/li>\n\n\n\n<li>Fren s\u0131v\u0131lar\u0131<\/li>\n\n\n\n<li>Ozon bak\u0131m\u0131ndan zengin ortamlar<\/li>\n\n\n\n<li>Klorlu hidrokarbonlar<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u00dc\u00e7 Yayg\u0131n Kafa Kar\u0131\u015f\u0131kl\u0131\u011f\u0131 Noktas\u0131<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Viton ile EPDM ayn\u0131 m\u0131d\u0131r?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hay\u0131r. Tam tersi ama\u00e7lara hizmet ediyorlar.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EPDM su, buhar ve hava ko\u015fullar\u0131na kar\u015f\u0131 m\u00fckemmel performans g\u00f6sterir ancak ya\u011flarda tamamen ba\u015far\u0131s\u0131z olur.<\/li>\n\n\n\n<li>Viton ya\u011flarda m\u00fckemmel performans g\u00f6sterir ancak s\u0131cak su veya buhar i\u00e7in uygun de\u011fildir.<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Not<\/strong>Ger\u00e7ek d\u00fcnyadaki kullan\u0131mda nadiren \u00f6rt\u00fc\u015f\u00fcrler.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Viton&#039;u Buna&#039;dan nas\u0131l ay\u0131rt edersiniz?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u0131zl\u0131 bir g\u00f6sterge renktir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Viton genellikle kahverengi veya koyu kahverengidir (ancak siyah versiyonlar\u0131 da mevcuttur).<\/li>\n\n\n\n<li>Buna genellikle siyaht\u0131r.<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">En iyi test sonu\u00e7lar\u0131 \u00e7\u00f6z\u00fcc\u00fcye maruz b\u0131rak\u0131larak elde edilir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Viton asetonda \u015fi\u015fer.<\/li>\n\n\n\n<li>Buna petrol ya\u011flar\u0131nda \u015fi\u015fer.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Hangisi daha uzun s\u00fcre dayan\u0131r?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u00e7biri evrensel olarak &quot;kazanmaz&quot;. Kullan\u0131m \u00f6mr\u00fc, malzemenin s\u0131cakl\u0131k ve ortam ko\u015fullar\u0131na uygun olup olmamas\u0131na ba\u011fl\u0131d\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Son Karar: Tercihe De\u011fil, Uygulamaya G\u00f6re Se\u00e7im Yap\u0131n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Conta se\u00e7erken tahmine dayal\u0131 hareketlerden ka\u00e7\u0131n\u0131n. Viton mu yoksa Buna m\u0131 se\u00e7ilece\u011fine dair karar bilin\u00e7li ve \u015fu fakt\u00f6rlere dayal\u0131 olmal\u0131d\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131<\/li>\n\n\n\n<li>Kimyasal veya s\u0131v\u0131 t\u00fcr\u00fc<\/li>\n\n\n\n<li>\u00c7evresel fakt\u00f6rler<\/li>\n\n\n\n<li>Gerekli dayan\u0131kl\u0131l\u0131k<\/li>\n\n\n\n<li>B\u00fct\u00e7e k\u0131s\u0131tlamalar\u0131<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sisteminiz a\u015fa\u011f\u0131daki unsurlar\u0131 i\u00e7eriyorsa Viton&#039;u tercih etmelisiniz:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>120\u00b0C&#039;nin \u00fczerindeki s\u0131cakl\u0131klar<\/li>\n\n\n\n<li>Yak\u0131tlar ve a\u015f\u0131nd\u0131r\u0131c\u0131 kimyasal ortamlar<\/li>\n\n\n\n<li>A\u011f\u0131r sanayi veya \u00f6zel i\u015flemler<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sisteminiz a\u015fa\u011f\u0131daki \u00f6zellikleri destekliyorsa Buna-N&#039;yi tercih etmelisiniz:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Petrol bazl\u0131 s\u0131v\u0131lar<\/li>\n\n\n\n<li>Otomotiv ya\u011flar\u0131 veya hidrolik s\u0131v\u0131lar<\/li>\n\n\n\n<li>Orta s\u0131cakl\u0131klar<\/li>\n\n\n\n<li>Maliyet duyarl\u0131 uygulamalar<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Her zaman hat\u0131rla<\/strong>Do\u011fru conta, \u00e7al\u0131\u015fma ko\u015fullar\u0131n\u0131za dayanabilen contad\u0131r. Malzemenin uygulamaya uygun olmas\u0131, uzun hizmet \u00f6mr\u00fc anlam\u0131na gelir, ar\u0131za s\u00fcrelerini \u00f6nler ve g\u00fcvenli, s\u0131zd\u0131rmaz bir \u00e7al\u0131\u015fma sa\u011flar.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-cyan-blue-background-color has-background wp-element-button\" href=\"https:\/\/www.tgvalve.com\/tr\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00dccretsiz Teklif Al\u0131n<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Choosing between Viton and Buna is not just about which material is \u201cbetter.\u201d It comes down to two non-negotiable factors in your system: temperature and chemical<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":1747,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-1716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-standards"],"_links":{"self":[{"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/posts\/1716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/comments?post=1716"}],"version-history":[{"count":2,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/posts\/1716\/revisions"}],"predecessor-version":[{"id":1806,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/posts\/1716\/revisions\/1806"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/media\/1747"}],"wp:attachment":[{"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/media?parent=1716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/categories?post=1716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/tags?post=1716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}