{"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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/","title":{"rendered":"Dupla blokkol\u00f3 \u00e9s l\u00e9gtelen\u00edt\u0151 (DBB) szelep: Egyszeres \u00e9s kett\u0151s dugatty\u00fas hat\u00e1s (SPE\/DPE) magyar\u00e1zata"},"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\">Tartalomjegyz\u00e9k<\/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=\"Tartalomjegyz\u00e9k v\u00e1lt\u00e1sa\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">V\u00e1lt\u00e1s<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#DBB_vs_DIB_the_terminology_that_causes_spec_mistakes\" >DBB vs. DIB: a specifik\u00e1ci\u00f3s hib\u00e1kat okoz\u00f3 terminol\u00f3gia<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Why_teams_mix_the_terms\" >Mi\u00e9rt keverik a csapatok a kifejez\u00e9seket?<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_SPE_and_DPE_mean_in_seat_design\" >Mit jelent az SPE \u00e9s a DPE az \u00fcl\u00e9stervez\u00e9sben?<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#SPE_seat_behavior_verification-friendly\" >SPE \u00fcl\u00e9s viselked\u00e9se (ellen\u0151rz\u00e9sbar\u00e1t)<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#DPE_seat_behavior_bidirectional_isolation\" >DPE \u00fcl\u00e9s viselked\u00e9se (k\u00e9tir\u00e1ny\u00fa izol\u00e1ci\u00f3)<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#SPE_vs_DPE_comparison_table\" >SPE vs. DPE \u00f6sszehasonl\u00edt\u00f3 t\u00e1bl\u00e1zat<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#How_to_choose_the_right_seat_effect_for_your_DBB_spec\" >Hogyan v\u00e1lasszuk ki a megfelel\u0151 \u00fcl\u00e9shat\u00e1st a DBB specifik\u00e1ci\u00f3j\u00e1hoz<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Start_with_the_site_workflow\" >Kezdje a webhely munkafolyamat\u00e1val<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#When_DPE_is_the_better_fit\" >Amikor a DPE a jobb v\u00e1laszt\u00e1s<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Spec_questions_that_prevent_rework_during_approval\" >Specifik\u00e1ci\u00f3s k\u00e9rd\u00e9sek, amelyek megakad\u00e1lyozz\u00e1k az \u00e1tdolgoz\u00e1st a j\u00f3v\u00e1hagy\u00e1s sor\u00e1n<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Ask_these_before_quoting\" >K\u00e9rdezd meg ezeket, miel\u0151tt id\u00e9zel<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#3_Key_Takeaways\" >3 fontos tanuls\u00e1g<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#FAQs\" >GYIK<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_does_DBB_mean_on_a_valve_datasheet\" >Mit jelent a DBB egy szelep adatlapj\u00e1n?<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Is_SPE_the_same_as_DBB\" >Az SPE ugyanaz, mint a DBB?<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Why_can_DPE_require_external_cavity_relief\" >Mi\u00e9rt ig\u00e9nyelhet k\u00fcls\u0151 \u00fcregmentes\u00edt\u00e9st a DPE?<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Can_a_DBB_design_help_with_leak_detection\" >Seg\u00edthet a DBB-terv a sziv\u00e1rg\u00e1s\u00e9szlel\u00e9sben?<\/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\/hu\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_should_I_include_in_a_DBB_purchase_specification\" >Mit kell belefoglalnom egy DBB beszerz\u00e9si specifik\u00e1ci\u00f3j\u00e1ba?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Amikor DBB izol\u00e1ci\u00f3t adunk meg, a val\u00f3di k\u00e9rd\u00e9s egyszer\u0171: <strong>Hogyan t\u00f6m\u00edtenek a szelep\u00fcl\u00e9kek, \u00e9s mi t\u00f6rt\u00e9nik a szeleph\u00e1zban rekedt nyom\u00e1ssal?<\/strong> Ez\u00e9rt fontos az \u201cegydugatty\u00fas hat\u00e1s\u201d (SPE) \u00e9s a \u201ck\u00e9tdugatty\u00fas hat\u00e1s\u201d (DPE). Ezek megv\u00e1ltoztatj\u00e1k azt, amit a le\u00e1ll\u00edt\u00e1s ellen\u0151rz\u00e9se, a l\u00e9gtelen\u00edt\u00e9s \u00e9s a karbantart\u00e1s sor\u00e1n l\u00e1tni fog.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ha el\u0151sz\u00f6r a teljes DBB koncepci\u00f3t szeretn\u00e9d megismerni, kezdd itt: <a href=\"https:\/\/www.xintaivalves.com\/hu\/blog\/the-ultimate-guide-to-double-block-and-bleed-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">A kett\u0151s blokk- \u00e9s l\u00e9gtelen\u00edt\u0151 szelepek v\u00e9gs\u0151 \u00fatmutat\u00f3ja<\/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 vs. DIB: a specifik\u00e1ci\u00f3s hib\u00e1kat okoz\u00f3 terminol\u00f3gia<\/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>Mi\u00e9rt keverik a csapatok a kifejez\u00e9seket?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A projektek gyakran a \u201cDBB\u201d r\u00f6vid\u00edt\u00e9st haszn\u00e1lj\u00e1k a \u201ck\u00e9t g\u00e1t + l\u00e9gtelen\u00edt\u0151\u201d kifejez\u00e9sre. El\u0151fordulhat, hogy hagyom\u00e1nyos r\u00f6vid\u00edt\u00e9seket is haszn\u00e1lunk, mint p\u00e9ld\u00e1ul a \u201edupla blokk l\u00e9gtelen\u00edt\u0151 szelep\u201d, amely \u00e1ltal\u00e1ban ugyanarra a szigetel\u00e9si sz\u00e1nd\u00e9kra utal, de nem mindig \u00edrja le a szelep\u00fcl\u00e9k viselked\u00e9s\u00e9t vagy az \u00fcregnyom\u00e1s kezel\u00e9s\u00e9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sz\u00e1mos szabv\u00e1ny \u00e9s gy\u00e1rt\u00f3i defin\u00edci\u00f3 k\u00fcl\u00f6nv\u00e1lasztja ezeket a kifejez\u00e9seket:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DBB:<\/strong> k\u00e9t egyir\u00e1ny\u00fa \u00fcl\u00e9s + kif\u00fav\u00e1s, \u00fcregnyom\u00e1s-cs\u00f6kkent\u00e9sre tervezett (kialak\u00edt\u00e1sf\u00fcgg\u0151)<\/li>\n\n\n\n<li><strong>DIB:<\/strong> egy vagy k\u00e9tir\u00e1ny\u00fa \u00fcl\u00e9s + kif\u00fav\u00e1s, ahol az \u00fcregnyom\u00e1s meghat\u00e1rozott nyom\u00e1scs\u00f6kkent\u00e9si m\u00f3dszert ig\u00e9nyelhet<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Xintai itt foglalja \u00f6ssze a gyakorlati k\u00fcl\u00f6nbs\u00e9geket: <a href=\"https:\/\/www.xintaivalves.com\/hu\/blog\/ball-valve\/dbb-vs-dib-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">DBB vs. DIB szelepek: Mi a k\u00fcl\u00f6nbs\u00e9g \u00e9s mikor kell haszn\u00e1lni \u0151ket?<\/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>Mit jelent az SPE \u00e9s a DPE az \u00fcl\u00e9stervez\u00e9sben?<\/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 \u00fcl\u00e9s viselked\u00e9se (ellen\u0151rz\u00e9sbar\u00e1t)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Az egydugatty\u00fas hat\u00e1s\u00fa \u00fcl\u00e9st egy ir\u00e1nyb\u00f3l nyom\u00e1sr\u00e1seg\u00edt\u00e9ssel l\u00e1tj\u00e1k el. A mindennapi gyakorlatban a k\u00f6vetkez\u0151k\u00e9ppen fogalmazva:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Minden \u00fcl\u00e9s t\u00f6m\u00edtett az oldal\u00e1r\u00f3l \u00e9rkez\u0151 nyom\u00e1s ellen<\/li>\n\n\n\n<li>Az \u00fcreg v\u00e9reztethet\u0151 \u00e9s monitorozhat\u00f3<\/li>\n\n\n\n<li>Az \u00fcregnyom\u00e1s cs\u00f6kkent\u00e9se gyakran a tervez\u00e9si megk\u00f6zel\u00edt\u00e9s r\u00e9sze (er\u0151s\u00edtse meg az ir\u00e1nyt \u00e9s a m\u00f3dszert az adatlapon).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Az SPE viselked\u00e9se \u00e1ltal\u00e1ban a klasszikus \u201ckifut\u00f3 \u00e9s ellen\u0151rz\u0151\u201d munkafolyamatnak felel meg.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DPE_seat_behavior_bidirectional_isolation\"><\/span><strong>DPE \u00fcl\u00e9s viselked\u00e9se (k\u00e9tir\u00e1ny\u00fa izol\u00e1ci\u00f3)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A kett\u0151s dugatty\u00fas hat\u00e1s\u00fa t\u00f6m\u00edt\u00e9s mindk\u00e9t ir\u00e1nyb\u00f3l nyom\u00e1sr\u00e1seg\u00edt\u00e9ssel m\u0171k\u00f6dik. Ez azt jelenti, hogy a t\u00f6m\u00edt\u00e9s akkor is meg\u0151rzi a t\u00f6m\u00edt\u00e9st, ha a nyom\u00e1s felfel\u00e9 vagy lefel\u00e9 van, ami hasznos, ha az ir\u00e1ny megv\u00e1ltozhat kapcsol\u00e1s, ind\u00edt\u00e1s vagy rendellenes esem\u00e9nyek sor\u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kompromisszum az \u00fcregkezel\u00e9s. A DPE konfigur\u00e1ci\u00f3 k\u00e9pes megtartani az \u00fcregnyom\u00e1st, ez\u00e9rt a specifik\u00e1ci\u00f3nak egy\u00e9rtelm\u0171en meg kell hat\u00e1roznia, hogyan kezeli ezt a nyom\u00e1st (rendszernyom\u00e1scs\u00f6kkent\u00e9s, dedik\u00e1lt nyom\u00e1scs\u00f6kkent\u0151 szelep vagy meghat\u00e1rozott \u00fatvonalterv).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SPE_vs_DPE_comparison_table\"><\/span><strong>SPE vs. DPE \u00f6sszehasonl\u00edt\u00f3 t\u00e1bl\u00e1zat<\/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>D\u00f6nt\u00e9si pont<\/strong><\/td><td><strong>SPE (egydugatty\u00fas hat\u00e1s)<\/strong><\/td><td><strong>DPE (kett\u0151s dugatty\u00fas hat\u00e1s)<\/strong><\/td><\/tr><tr><td>Izol\u00e1ci\u00f3 ir\u00e1nya<\/td><td>\u00dcl\u00e9senk\u00e9nt egy ir\u00e1ny<\/td><td>Mindk\u00e9t ir\u00e1nyban<\/td><\/tr><tr><td>\u00dcregnyom\u00e1s viselked\u00e9se<\/td><td>Gyakran a t\u00fcnetek enyh\u00edt\u00e9s\u00e9re tervezt\u00e9k (er\u0151s\u00edtse meg a m\u00f3dszert)<\/td><td>Megk\u00f6theti az \u00fcregnyom\u00e1st (terv szerinti tehermentes\u00edt\u00e9s)<\/td><\/tr><tr><td>Legjobb illeszked\u00e9s<\/td><td>Rutinszer\u0171 ellen\u0151rz\u00e9s \u00e9s karbantart\u00e1si elk\u00fcl\u00f6n\u00edt\u00e9s<\/td><td>K\u00e9tir\u00e1ny\u00fa t\u00f6m\u00edt\u00e9s \u00e9s kapcsol\u00e1s<\/td><\/tr><tr><td>Mit kell meger\u0151s\u00edteni<\/td><td>\u00dcl\u00e9s dombornyom\u00e1s\u00e1nak kialak\u00edt\u00e1sa + vizsg\u00e1lati m\u00f3dszer<\/td><td>\u00dcregmentes\u00edt\u00e9si m\u00f3dszer + vizsg\u00e1lati m\u00f3dszer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A kapcsol\u00f3d\u00f3 kifut\u00f3 \u00e9s ellen\u0151rz\u00e9si koncepci\u00f3kat l\u00e1sd: <a href=\"https:\/\/www.xintaivalves.com\/hu\/blog\/ball-valve\/understanding-block-and-bleed-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">A blokkol\u00f3 \u00e9s l\u00e9gtelen\u00edt\u0151 szelepek meg\u00e9rt\u00e9se<\/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>Hogyan v\u00e1lasszuk ki a megfelel\u0151 \u00fcl\u00e9shat\u00e1st a DBB specifik\u00e1ci\u00f3j\u00e1hoz<\/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>Kezdje a webhely munkafolyamat\u00e1val<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A dupla blokkol\u00f3 \u00e9s l\u00e9gtelen\u00edt\u0151 szelepet gyakran az\u00e9rt v\u00e1lasztj\u00e1k, mert a csapatok megism\u00e9telhet\u0151 m\u00f3dszert szeretn\u00e9nek:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Z\u00e1rja el a szelepet<\/li>\n\n\n\n<li>Nyissa meg a l\u00e9gtelen\u00edt\u0151t a nyom\u00e1s cs\u00f6kkent\u00e9se \u00e9rdek\u00e9ben az \u00fcregben<\/li>\n\n\n\n<li>Ellen\u0151rizze a nyom\u00e1ses\u00e9st vagy sziv\u00e1rg\u00e1st az \u00fcl\u00e9sek k\u00f6z\u00f6tt<\/li>\n\n\n\n<li>Folytassa a webhely kiz\u00e1r\u00e1si\/kijel\u00f6l\u00e9si folyamat\u00e1nak megfelel\u0151en<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ha a helysz\u00edn az \u00fcreges v\u00e9rz\u00e9s bizony\u00edt\u00e1s\u00e1ra, az SPE viselked\u00e9s\u00e9re \u00e9s az \u00fcregesed\u00e9s r\u00e9szleteire t\u00e1maszkodik, ezeket fel kell t\u00fcntetni az adatlapon.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_DPE_is_the_better_fit\"><\/span><strong>Amikor a DPE a jobb v\u00e1laszt\u00e1s<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00e9tir\u00e1ny\u00fa t\u00f6m\u00edt\u00e9s eset\u00e9n a DPE t\u00f6m\u00edt\u00e9si viselked\u00e9st kell v\u00e1lasztani, mert:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c1raml\u00e1si megfordul\u00e1sok fordulnak el\u0151<\/li>\n\n\n\n<li>Az izol\u00e1ci\u00f3nak a nyom\u00e1s ir\u00e1ny\u00e1t\u00f3l f\u00fcggetlen\u00fcl fenn kell \u00e1llnia<\/li>\n\n\n\n<li>A kapcsol\u00e1si m\u0171veletek gyakoriak<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A beszerz\u00e9si nyelvezetben ez gyakran dupla blokk- \u00e9s l\u00e9gtelen\u00edt\u0151 goly\u00f3scsap k\u00f6vetelm\u00e9ny\u00e9v\u00e9 v\u00e1lik, plusz egy k\u00fcl\u00f6n z\u00e1rad\u00e9k, amely kimondja az SPE-t vagy a DPE-t, valamint az \u00fcregnyom\u00e1s-strat\u00e9gi\u00e1t.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>F\u0151 term\u00e9k kiemel\u00e9se<\/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\/hu\/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=\"Dupla blokk \u00e9s l\u00e9gtelen\u00edt\u0151 szelep\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u2194\ufe0f Dupla blokk \u00e9s l\u00e9gtelen\u00edt\u0151 szelep<\/div>\n    <div class=\"hero-description\">\u00dagy tervezt\u00e9k, hogy megb\u00edzhat\u00f3 szigetel\u00e9st \u00e9s nyom\u00e1scs\u00f6kkent\u00e9st biztos\u00edtson egyetlen kompakt szelepegys\u00e9gen bel\u00fcl.<\/div>\n    <span class=\"hero-link\">Term\u00e9k felfedez\u00e9se<\/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>Specifik\u00e1ci\u00f3s k\u00e9rd\u00e9sek, amelyek megakad\u00e1lyozz\u00e1k az \u00e1tdolgoz\u00e1st a j\u00f3v\u00e1hagy\u00e1s sor\u00e1n<\/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>K\u00e9rdezd meg ezeket, miel\u0151tt id\u00e9zel<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A \u201cbeszerz\u00e9sben j\u00f3v\u00e1hagyva, fel\u00fclvizsg\u00e1lat sor\u00e1n fel\u00fclvizsg\u00e1lva\u201d elker\u00fcl\u00e9s\u00e9re er\u0151s\u00edtse meg:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Defin\u00edci\u00f3 szerint DBB vagy DIB t\u00edpus\u00fa a szelep, \u00e9s melyik teszt alkalmazhat\u00f3?<\/li>\n\n\n\n<li>\u00dcl\u00e9shat\u00e1s: SPE vagy DPE (fel kell t\u00fcntetni)<\/li>\n\n\n\n<li>\u00dcregesed\u00e9s-mentes\u00edt\u00e9si megk\u00f6zel\u00edt\u00e9s (\u00f6n\u00e1ll\u00f3 tehermentes\u00edt\u00e9s vs. k\u00fcls\u0151 tehermentes\u00edt\u00e9si k\u00f6vetelm\u00e9ny)<\/li>\n\n\n\n<li>L\u00e9gtelen\u00edt\u0151 ny\u00edl\u00e1s m\u00e9rete, t\u00e1jol\u00e1sa \u00e9s biztons\u00e1gos szell\u0151z\u0151\/leereszt\u0151 \u00fatvonal<\/li>\n\n\n\n<li>Sz\u00fcks\u00e9ges ellen\u0151rz\u00e9si \u00e9s \u00e1tv\u00e9teli dokument\u00e1ci\u00f3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ha a DBB f\u00fcggv\u00e9nyed egy trunnion platformon fut, akkor ez egy hasznos bevezet\u0151: <a href=\"https:\/\/www.xintaivalves.com\/hu\/blog\/what-is-a-trunnion-ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mi az a trunnion g\u00f6mbcsap?<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><strong>K\u00f6vetkeztet\u00e9s<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az SPE \u00e9s a DPE le\u00edrj\u00e1k a t\u00f6m\u00edt\u00e9s viselked\u00e9s\u00e9t, a t\u00f6m\u00edt\u00e9s viselked\u00e9se pedig meghat\u00e1rozza, hogyan t\u00f6rt\u00e9nik a szigetel\u00e9s ellen\u0151rz\u00e9se \u00e9s az \u00fcregnyom\u00e1s kezel\u00e9se. Az SPE opci\u00f3k gyakran j\u00f3l illeszkednek a rutinszer\u0171 \u00fcregki\u00f6ml\u00e9s-ellen\u0151rz\u00e9shez. A DPE opci\u00f3k k\u00e9tir\u00e1ny\u00fa t\u00f6m\u00edt\u00e9st biztos\u00edtanak, de explicit \u00fcregnyom\u00e1s-cs\u00f6kkent\u00e9si tervet ig\u00e9nyelnek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kett\u0151s t\u00f6mb\u0171 \u00e9s l\u00e9gtelen\u00edt\u0151 szelep kiv\u00e1laszt\u00e1sakor a szelep\u00fcl\u00e9k hat\u00e1s\u00e1t \u00e9s az \u00fcregnyom\u00e1s m\u00f3dszer\u00e9t is fel kell t\u00fcntetni az adatlapon. Ez egy\u00e9rtelm\u0171bb\u00e9 teszi az enged\u00e9lyeket, \u00e9s cs\u00f6kkenti az \u00fczembe helyez\u00e9s \u00e9s karbantart\u00e1s sor\u00e1n felmer\u00fcl\u0151 k\u00e9rd\u00e9seket.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Key_Takeaways\"><\/span><strong>3 fontos tanuls\u00e1g<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Az SPE \u00e9s a DPE k\u00f6z\u00f6tti k\u00fcl\u00f6nbs\u00e9g le\u00edrja, hogyan nyom\u00e1sr\u00e1seg\u00edt\u00e9ses az \u00fcl\u00e9sek m\u0171k\u00f6d\u00e9se, ami befoly\u00e1solja az izol\u00e1ci\u00f3t \u00e9s az \u00fcregnyom\u00e1s viselked\u00e9s\u00e9t.<\/li>\n\n\n\n<li>A DPE t\u00e1mogatja a k\u00e9tir\u00e1ny\u00fa izol\u00e1ci\u00f3t, de az \u00fcregnyom\u00e1s-cs\u00f6kkent\u00e9st meg kell hat\u00e1rozni.<\/li>\n\n\n\n<li>Az \u00e1tdolgoz\u00e1s elker\u00fcl\u00e9se \u00e9rdek\u00e9ben a specifik\u00e1ci\u00f3ban szerepeltetni kell az \u00fcl\u00e9s hat\u00e1s\u00e1t, a domborzati megk\u00f6zel\u00edt\u00e9st \u00e9s az ellen\u0151rz\u00e9si m\u00f3dszert.<\/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\/hu\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00c1raj\u00e1nlat k\u00e9r\u00e9se<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong>GYIK<\/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>Mit jelent a DBB egy szelep adatlapj\u00e1n?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ez jellemz\u0151en k\u00e9t szigetel\u0151 g\u00e1tat jelent egy l\u00e9gtelen\u00edt\u0151 ponttal a nyom\u00e1scs\u00f6kkent\u00e9shez \u00e9s a szelep\u00fcl\u00e9sek k\u00f6z\u00f6tti sziv\u00e1rg\u00e1s ellen\u0151rz\u00e9s\u00e9hez.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Is_SPE_the_same_as_DBB\"><\/span><strong>Az SPE ugyanaz, mint a DBB?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nem. Az SPE le\u00edrja az \u00fcl\u0151fel\u00fclet viselked\u00e9s\u00e9t. Tov\u00e1bbra is meg kell adni, hogy az \u00fcl\u0151fel\u00fcletek SPE vagy DPE t\u00edpus\u00faak-e, \u00e9s hogyan kezeli az \u00fcregnyom\u00e1st.<\/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>Mi\u00e9rt ig\u00e9nyelhet k\u00fcls\u0151 \u00fcregmentes\u00edt\u00e9st a DPE?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mivel a DPE t\u00f6m\u00edt\u0151gy\u0171r\u0171k mindk\u00e9t ir\u00e1nyb\u00f3l t\u00f6m\u00edthetnek, az \u00fcregnyom\u00e1s nem felt\u00e9tlen\u00fcl sz\u0171nik meg, hacsak nincs meghat\u00e1rozva egy nyom\u00e1scs\u00f6kkent\u0151 \u00fatvonal.<\/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>Seg\u00edthet a DBB-terv a sziv\u00e1rg\u00e1s\u00e9szlel\u00e9sben?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Igen. A l\u00e9gtelen\u00edt\u0151 \u00fcregben a vizsg\u00e1lati m\u00f3dszert\u0151l \u00e9s a kialak\u00edt\u00e1st\u00f3l f\u00fcgg\u0151en ellen\u0151rizhet\u0151k a szelep\u00fcl\u00e9k sziv\u00e1rg\u00e1s\u00e1ra utal\u00f3 nyom\u00e1sv\u00e1ltoz\u00e1sok.<\/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>Mit kell belefoglalnom egy DBB beszerz\u00e9si specifik\u00e1ci\u00f3j\u00e1ba?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00dcl\u00e9khat\u00e1s (SPE\/DPE), \u00fcreges tehermentes\u00edt\u00e9si megk\u00f6zel\u00edt\u00e9s, ki\u00f6ml\u0151ny\u00edl\u00e1s r\u00e9szletei, anyagok, nyom\u00e1soszt\u00e1ly \u00e9s a sz\u00fcks\u00e9ges vizsg\u00e1lati\/ellen\u0151rz\u00e9si dokument\u00e1ci\u00f3.<\/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\/hu\/wp-json\/wp\/v2\/posts\/14672","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/hu\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/hu\/wp-json\/wp\/v2\/comments?post=14672"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/hu\/wp-json\/wp\/v2\/posts\/14672\/revisions"}],"predecessor-version":[{"id":14727,"href":"https:\/\/www.xintaivalves.com\/hu\/wp-json\/wp\/v2\/posts\/14672\/revisions\/14727"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/hu\/wp-json\/wp\/v2\/media\/14673"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/hu\/wp-json\/wp\/v2\/media?parent=14672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/hu\/wp-json\/wp\/v2\/categories?post=14672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/hu\/wp-json\/wp\/v2\/tags?post=14672"}],"curies":[{"name":"munkaf\u00fczet","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}