{"id":14672,"date":"2026-01-17T09:00:00","date_gmt":"2026-01-17T01:00:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=14672"},"modified":"2026-02-04T09:35:26","modified_gmt":"2026-02-04T01:35:26","slug":"dbb-valve-spe-vs-dpe-isolation","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/","title":{"rendered":"\u00c7ift Blok ve Tahliye (DBB) Valfi: Tek Piston Etkisi ve \u00c7ift Piston Etkisi (SPE\/DPE) A\u00e7\u0131klamas\u0131"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u0130\u00e7indekiler Tablosunu A\u00e7\/Kapat\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">De\u011fi\u015ftir<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#DBB_vs_DIB_the_terminology_that_causes_spec_mistakes\" >DBB ve DIB: Spesifikasyon hatalar\u0131na yol a\u00e7an terminoloji<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Why_teams_mix_the_terms\" >Tak\u0131mlar neden terimleri birbirine kar\u0131\u015ft\u0131r\u0131yor?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_SPE_and_DPE_mean_in_seat_design\" >Koltuk tasar\u0131m\u0131nda SPE ve DPE&#039;nin anlam\u0131 nedir?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#SPE_seat_behavior_verification-friendly\" >SPE koltu\u011funun davran\u0131\u015f\u0131 (do\u011frulama dostu)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#DPE_seat_behavior_bidirectional_isolation\" >DPE koltuk davran\u0131\u015f\u0131 (\u00e7ift y\u00f6nl\u00fc izolasyon)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#SPE_vs_DPE_comparison_table\" >SPE ve DPE kar\u015f\u0131la\u015ft\u0131rma tablosu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#How_to_choose_the_right_seat_effect_for_your_DBB_spec\" >DBB modeliniz i\u00e7in do\u011fru koltuk efektini nas\u0131l se\u00e7ersiniz?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Start_with_the_site_workflow\" >Site i\u015f ak\u0131\u015f\u0131yla ba\u015flay\u0131n.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#When_DPE_is_the_better_fit\" >DPE daha uygun oldu\u011funda<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Spec_questions_that_prevent_rework_during_approval\" >Onay s\u00fcrecinde yeniden i\u015flemeyi engelleyen teknik \u00f6zellik sorular\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Ask_these_before_quoting\" >Fiyat teklifi vermeden \u00f6nce bunlar\u0131 sorun.<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#3_Key_Takeaways\" >3 \u00d6nemli \u00c7\u0131kar\u0131m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#FAQs\" >SSS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_does_DBB_mean_on_a_valve_datasheet\" >Vana veri sayfas\u0131nda DBB ne anlama gelir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Is_SPE_the_same_as_DBB\" >SPE ile DBB ayn\u0131 \u015fey midir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Why_can_DPE_require_external_cavity_relief\" >DPE neden d\u0131\u015f bo\u015fluk rahatlatmas\u0131na ihtiya\u00e7 duyabilir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Can_a_DBB_design_help_with_leak_detection\" >DBB tasar\u0131m\u0131 s\u0131z\u0131nt\u0131 tespitine yard\u0131mc\u0131 olabilir mi?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_should_I_include_in_a_DBB_purchase_specification\" >DBB sat\u0131n alma \u015fartnamesine neleri dahil etmeliyim?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">DBB izolasyonunu belirtti\u011finizde, as\u0131l soru basittir: <strong>Koltuklar nas\u0131l s\u0131zd\u0131rmazl\u0131k sa\u011fl\u0131yor ve valf g\u00f6vdesinin i\u00e7inde hapsolan bas\u0131nca ne oluyor?<\/strong> Bu nedenle \u201ctek piston etkisi\u201d (SPE) ve \u201c\u00e7ift piston etkisi\u201d (DPE) \u00f6nemlidir. Bunlar, kapatma do\u011frulamas\u0131, hava alma ve bak\u0131m s\u0131ras\u0131nda g\u00f6receklerinizi de\u011fi\u015ftirir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DBB konseptinin tamam\u0131n\u0131 \u00f6ncelikle \u00f6\u011frenmek istiyorsan\u0131z, buradan ba\u015flay\u0131n: <a href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/the-ultimate-guide-to-double-block-and-bleed-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00c7ift Blok ve Tahliye Vanalar\u0131 Hakk\u0131nda Kapsaml\u0131 K\u0131lavuz<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DBB_vs_DIB_the_terminology_that_causes_spec_mistakes\"><\/span><strong>DBB ve DIB: Spesifikasyon hatalar\u0131na yol a\u00e7an terminoloji<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_teams_mix_the_terms\"><\/span><strong>Tak\u0131mlar neden terimleri birbirine kar\u0131\u015ft\u0131r\u0131yor?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Projelerde s\u0131kl\u0131kla &quot;DBB&quot; k\u0131saltmas\u0131 &quot;iki bariyer + tahliye&quot; anlam\u0131na gelir. Ayr\u0131ca, genellikle ayn\u0131 izolasyon amac\u0131n\u0131 g\u00f6steren ancak her zaman oturma davran\u0131\u015f\u0131n\u0131 veya bo\u015fluk bas\u0131nc\u0131n\u0131n nas\u0131l y\u00f6netildi\u011fini a\u00e7\u0131klamayan &quot;\u00e7ift blok tahliye vanas\u0131&quot; gibi eski k\u0131saltmalar da g\u00f6rebilirsiniz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bir\u00e7ok standart ve tedarik\u00e7i tan\u0131m\u0131 bu terimleri birbirinden ay\u0131r\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DBB:<\/strong> \u0130ki adet tek y\u00f6nl\u00fc oturma yeri + tahliye, (tasar\u0131ma ba\u011fl\u0131 olarak) tahliye i\u00e7in tasarlanm\u0131\u015f bo\u015fluk bas\u0131nc\u0131 ile.<\/li>\n\n\n\n<li><strong>DIB:<\/strong> bir veya iki \u00e7ift y\u00f6nl\u00fc koltuk + tahliye, burada bo\u015fluk bas\u0131nc\u0131 tan\u0131mlanm\u0131\u015f bir tahliye y\u00f6ntemi gerektirebilir.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Xintai, pratik farkl\u0131l\u0131klar\u0131 \u015fu \u015fekilde \u00f6zetliyor: <a href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/ball-valve\/dbb-vs-dib-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">DBB ve DIB Valfleri: Aralar\u0131ndaki Fark Nedir ve Ne Zaman Kullan\u0131l\u0131rlar?<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_SPE_and_DPE_mean_in_seat_design\"><\/span><strong>Koltuk tasar\u0131m\u0131nda SPE ve DPE&#039;nin anlam\u0131 nedir?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SPE_seat_behavior_verification-friendly\"><\/span><strong>SPE koltu\u011funun davran\u0131\u015f\u0131 (do\u011frulama dostu)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tek piston etkili koltuk, tek y\u00f6nden bas\u0131n\u00e7la desteklenir. G\u00fcnl\u00fck saha terimleriyle:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Her koltuk, yan taraftan gelen bas\u0131nca kar\u015f\u0131 s\u0131zd\u0131rmazl\u0131k sa\u011flar.<\/li>\n\n\n\n<li>Bo\u015fluktan kan ak\u0131t\u0131labilir ve durum takip edilebilir.<\/li>\n\n\n\n<li>Bo\u015fluk bas\u0131n\u00e7 tahliyesi genellikle tasar\u0131m yakla\u015f\u0131m\u0131n\u0131n bir par\u00e7as\u0131d\u0131r (y\u00f6nlendirmeyi ve y\u00f6ntemi veri sayfas\u0131nda do\u011frulay\u0131n).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SPE davran\u0131\u015f\u0131 genellikle klasik &quot;kanama ve do\u011frulama&quot; i\u015f ak\u0131\u015f\u0131na uyar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DPE_seat_behavior_bidirectional_isolation\"><\/span><strong>DPE koltuk davran\u0131\u015f\u0131 (\u00e7ift y\u00f6nl\u00fc izolasyon)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7ift piston etkili bir oturma yeri, her iki y\u00f6nden de bas\u0131n\u00e7la desteklenir. Bu, bas\u0131n\u00e7 yukar\u0131dan veya a\u015fa\u011f\u0131dan gelse bile s\u0131zd\u0131rmazl\u0131\u011f\u0131 koruyabilece\u011fi anlam\u0131na gelir; bu \u00f6zellik, ge\u00e7i\u015f, ba\u015flatma veya anormal olaylar s\u0131ras\u0131nda y\u00f6n\u00fcn de\u011fi\u015febilece\u011fi durumlarda kullan\u0131\u015fl\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Buradaki dezavantaj, bo\u015fluk y\u00f6netimidir. Bir DPE konfig\u00fcrasyonu bo\u015fluk bas\u0131nc\u0131n\u0131 tutabilir, bu nedenle spesifikasyonunuzda bu bas\u0131nc\u0131n nas\u0131l ele al\u0131nd\u0131\u011f\u0131 a\u00e7\u0131k\u00e7a belirtilmelidir (sistem tahliyesi, \u00f6zel bir tahliye vanas\u0131 veya tan\u0131mlanm\u0131\u015f bir y\u00f6nlendirme plan\u0131).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SPE_vs_DPE_comparison_table\"><\/span><strong>SPE ve DPE kar\u015f\u0131la\u015ft\u0131rma tablosu<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Karar noktas\u0131<\/strong><\/td><td><strong>SPE (Tek piston etkisi)<\/strong><\/td><td><strong>DPE (\u00c7ift piston etkisi)<\/strong><\/td><\/tr><tr><td>\u0130zolasyon y\u00f6n\u00fc<\/td><td>Koltuk ba\u015f\u0131na tek y\u00f6n<\/td><td>Her iki y\u00f6nde<\/td><\/tr><tr><td>Bo\u015fluk bas\u0131nc\u0131 davran\u0131\u015f\u0131<\/td><td>Genellikle rahatlatmak i\u00e7in tasarlanm\u0131\u015ft\u0131r (y\u00f6ntemi onaylay\u0131n)<\/td><td>Bo\u015fluk bas\u0131nc\u0131n\u0131 hapsedebilir (planl\u0131 tahliye).<\/td><\/tr><tr><td>En uygun olan<\/td><td>Rutin do\u011frulama ve bak\u0131m izolasyonu<\/td><td>\u00c7ift y\u00f6nl\u00fc s\u0131zd\u0131rmazl\u0131k ve anahtarlama g\u00f6revi<\/td><\/tr><tr><td>Onaylanacak olanlar<\/td><td>Koltuk kabartma tasar\u0131m\u0131 + test y\u00f6ntemi<\/td><td>Bo\u015fluk giderme y\u00f6ntemi + test y\u00f6ntemi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0130lgili s\u0131z\u0131nt\u0131 ve do\u011frulama kavramlar\u0131 i\u00e7in bak\u0131n\u0131z: <a href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/ball-valve\/understanding-block-and-bleed-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">Blok ve Tahliye Vanalar\u0131n\u0131 Anlamak<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_choose_the_right_seat_effect_for_your_DBB_spec\"><\/span><strong>DBB modeliniz i\u00e7in do\u011fru koltuk efektini nas\u0131l se\u00e7ersiniz?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Start_with_the_site_workflow\"><\/span><strong>Site i\u015f ak\u0131\u015f\u0131yla ba\u015flay\u0131n.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7ift bloklu ve tahliye vanas\u0131, ekiplerin tekrarlanabilir bir y\u00f6ntem istemesi nedeniyle s\u0131kl\u0131kla tercih edilir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vanay\u0131 kapat\u0131n<\/li>\n\n\n\n<li>Bo\u015flu\u011fu bas\u0131n\u00e7s\u0131z hale getirmek i\u00e7in tahliye vanas\u0131n\u0131 a\u00e7\u0131n.<\/li>\n\n\n\n<li>Koltuklar aras\u0131ndaki bas\u0131n\u00e7 d\u00fc\u015f\u00fc\u015f\u00fcn\u00fc veya s\u0131z\u0131nt\u0131 belirtisini do\u011frulay\u0131n.<\/li>\n\n\n\n<li>Sitenizin kilitleme\/etiketleme prosed\u00fcr\u00fcne g\u00f6re ilerleyin.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">E\u011fer siteniz izolasyonu, SPE davran\u0131\u015f\u0131n\u0131 ve bo\u015fluk giderme detaylar\u0131n\u0131 kan\u0131tlamak i\u00e7in bo\u015fluk kanamas\u0131na ba\u011fl\u0131ysa, bunlar veri sayfas\u0131na yaz\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_DPE_is_the_better_fit\"><\/span><strong>DPE daha uygun oldu\u011funda<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7ift y\u00f6nl\u00fc s\u0131zd\u0131rmazl\u0131k gerekti\u011finde DPE oturma y\u00fczeyini tercih edin \u00e7\u00fcnk\u00fc:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ak\u0131\u015f y\u00f6n de\u011fi\u015ftirmeleri meydana gelir.<\/li>\n\n\n\n<li>Bas\u0131n\u00e7 y\u00f6n\u00fcnden ba\u011f\u0131ms\u0131z olarak izolasyon sa\u011flanmal\u0131d\u0131r.<\/li>\n\n\n\n<li>Anahtarlama i\u015flemleri s\u0131k s\u0131k yap\u0131l\u0131r.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sat\u0131n alma \u015fartnamesinde bu, genellikle \u00e7ift bloklu ve tahliye vanal\u0131 k\u00fcresel vana gereklili\u011fine ek olarak, SPE veya DPE ve bo\u015fluk bas\u0131nc\u0131 stratejisini belirten \u00f6zel bir madde anlam\u0131na gelir.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>Kahraman \u00dcr\u00fcn \u00d6zeti<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n      font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins';\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #D70C19;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #D70C19;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.xintaivalves.com\/tr\/products\/double-block-and-bleed-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/03\/double-block-and-bleed-ball-valves.jpg\" alt=\"\u00c7ift Blok ve Tahliye Vanas\u0131\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u2194\ufe0f \u00c7ift Blok ve Tahliye Vanas\u0131<\/div>\n    <div class=\"hero-description\">Tek bir kompakt vana d\u00fczene\u011fi i\u00e7inde g\u00fcvenilir izolasyon ve bas\u0131n\u00e7 tahliyesi sa\u011flamak \u00fczere tasarlanm\u0131\u015ft\u0131r.<\/div>\n    <span class=\"hero-link\">\u00dcr\u00fcn\u00fc Ke\u015ffedin<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Spec_questions_that_prevent_rework_during_approval\"><\/span><strong>Onay s\u00fcrecinde yeniden i\u015flemeyi engelleyen teknik \u00f6zellik sorular\u0131<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ask_these_before_quoting\"><\/span><strong>Fiyat teklifi vermeden \u00f6nce bunlar\u0131 sorun.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cSat\u0131n alma a\u015famas\u0131nda onayland\u0131, inceleme a\u015famas\u0131nda revize edildi\u201d ibaresinden ka\u00e7\u0131nmak i\u00e7in \u015funlar\u0131 do\u011frulay\u0131n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Valf tan\u0131m gere\u011fi DBB mi yoksa DIB mi ve hangi test uygulan\u0131r?<\/li>\n\n\n\n<li>Koltuk etkisi: SPE veya DPE (a\u00e7\u0131k\u00e7a belirtin)<\/li>\n\n\n\n<li>Di\u015f \u00e7\u00fcr\u00fc\u011f\u00fc tedavisi yakla\u015f\u0131m\u0131 (kendili\u011finden tedavi vs. d\u0131\u015ftan tedavi gereksinimi)<\/li>\n\n\n\n<li>Tahliye portunun boyutu, y\u00f6n\u00fc ve g\u00fcvenli havaland\u0131rma\/drenaj g\u00fczergah\u0131<\/li>\n\n\n\n<li>Gerekli muayene ve kabul belgeleri<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">E\u011fer DBB fonksiyonunuz bir mafsall\u0131 platform \u00fczerindeyse, bu faydal\u0131 bir ba\u015flang\u0131\u00e7 k\u0131lavuzudur: <a href=\"https:\/\/www.xintaivalves.com\/tr\/blog\/what-is-a-trunnion-ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Trunnion k\u00fcresel vana nedir?<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><strong>\u00c7\u00f6z\u00fcm<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPE ve DPE, oturma y\u00fczeyinin davran\u0131\u015f\u0131n\u0131 tan\u0131mlar ve oturma y\u00fczeyinin davran\u0131\u015f\u0131, izolasyonun nas\u0131l do\u011fruland\u0131\u011f\u0131n\u0131 ve bo\u015fluk bas\u0131nc\u0131n\u0131n nas\u0131l ele al\u0131nd\u0131\u011f\u0131n\u0131 belirler. SPE se\u00e7enekleri genellikle rutin bo\u015fluk tahliye do\u011frulamas\u0131yla iyi uyum sa\u011flar. DPE se\u00e7enekleri \u00e7ift y\u00f6nl\u00fc s\u0131zd\u0131rmazl\u0131k sa\u011flar, ancak a\u00e7\u0131k bir bo\u015fluk tahliye plan\u0131 gerektirir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7ift bloklu ve tahliye vanas\u0131 se\u00e7erken, oturma etkisi ve bo\u015fluk bas\u0131nc\u0131 y\u00f6ntemini veri sayfas\u0131na yaz\u0131n. Bu, onay s\u00fcre\u00e7lerini kolayla\u015ft\u0131r\u0131r ve devreye alma ve bak\u0131m s\u0131ras\u0131nda gereksiz yaz\u0131\u015fmalar\u0131 azalt\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Key_Takeaways\"><\/span><strong>3 \u00d6nemli \u00c7\u0131kar\u0131m<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPE ve DPE aras\u0131ndaki fark, koltuklar\u0131n bas\u0131n\u00e7la desteklenme \u015feklini ve bunun izolasyon ve bo\u015fluk bas\u0131nc\u0131 davran\u0131\u015f\u0131n\u0131 nas\u0131l etkiledi\u011fini a\u00e7\u0131klar.<\/li>\n\n\n\n<li>DPE \u00e7ift y\u00f6nl\u00fc izolasyonu destekler, ancak bo\u015fluk bas\u0131nc\u0131 tahliyesi tan\u0131mlanmal\u0131d\u0131r.<\/li>\n\n\n\n<li>Yeniden i\u015fleme gerek kalmamas\u0131 i\u00e7in koltuk etkisi, r\u00f6lyef yakla\u015f\u0131m\u0131 ve do\u011frulama y\u00f6ntemini teknik \u015fartnameye ekleyin.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\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-white-color has-vivid-red-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.xintaivalves.com\/tr\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Teklif Al\u0131n<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong>SSS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_does_DBB_mean_on_a_valve_datasheet\"><\/span><strong>Vana veri sayfas\u0131nda DBB ne anlama gelir?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bu genellikle, bas\u0131n\u00e7 d\u00fc\u015f\u00fcrme ve koltuklar aras\u0131ndaki s\u0131z\u0131nt\u0131y\u0131 do\u011frulama amac\u0131yla bir tahliye noktas\u0131na sahip iki izolasyon bariyeri anlam\u0131na gelir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Is_SPE_the_same_as_DBB\"><\/span><strong>SPE ile DBB ayn\u0131 \u015fey midir?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hay\u0131r. SPE, koltuk davran\u0131\u015f\u0131n\u0131 tan\u0131mlar. Koltuklar\u0131n SPE mi yoksa DPE mi oldu\u011funu ve bo\u015fluk bas\u0131nc\u0131n\u0131n nas\u0131l ele al\u0131nd\u0131\u011f\u0131n\u0131 yine de belirtmelisiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_can_DPE_require_external_cavity_relief\"><\/span><strong>DPE neden d\u0131\u015f bo\u015fluk rahatlatmas\u0131na ihtiya\u00e7 duyabilir?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DPE koltuklar her iki y\u00f6nden de s\u0131zd\u0131rmazl\u0131k sa\u011flayabildi\u011finden, bir tahliye yolu belirtilmedik\u00e7e bo\u015fluk bas\u0131nc\u0131 azalmayabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_a_DBB_design_help_with_leak_detection\"><\/span><strong>DBB tasar\u0131m\u0131 s\u0131z\u0131nt\u0131 tespitine yard\u0131mc\u0131 olabilir mi?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Evet. Test y\u00f6ntemine ve tasar\u0131ma ba\u011fl\u0131 olarak, tahliye bo\u015flu\u011fundaki bas\u0131n\u00e7 de\u011fi\u015fiklikleri izlenerek koltuk s\u0131z\u0131nt\u0131s\u0131 tespit edilebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_should_I_include_in_a_DBB_purchase_specification\"><\/span><strong>DBB sat\u0131n alma \u015fartnamesine neleri dahil etmeliyim?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Oturma etkisi (SPE\/DPE), bo\u015fluk giderme yakla\u015f\u0131m\u0131, tahliye portu detaylar\u0131, malzemeler, bas\u0131n\u00e7 s\u0131n\u0131f\u0131 ve gerekli test\/muayene dok\u00fcmantasyonu.<\/p>","protected":false},"excerpt":{"rendered":"<p>When you specify DBB isolation, the real question is simple: how do the seats seal, and what happens to pressure trapped inside the valve body? That\u2019s why \u201csingle piston effect\u201d (SPE) and \u201cdual piston effect\u201d (DPE) matter. They change what you\u2019ll see during shutdown verification, bleeding, and maintenance. If you want the full DBB concept [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14673,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[306],"tags":[],"class_list":["post-14672","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-science"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/posts\/14672","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/comments?post=14672"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/posts\/14672\/revisions"}],"predecessor-version":[{"id":14727,"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/posts\/14672\/revisions\/14727"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/media\/14673"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/media?parent=14672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/categories?post=14672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/tr\/wp-json\/wp\/v2\/tags?post=14672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}