{"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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/","title":{"rendered":"\u049a\u043e\u0441 \u0431\u043b\u043e\u043a\u0442\u0430\u0443 \u0436\u04d9\u043d\u0435 \u049b\u0430\u043d \u043a\u0435\u0442\u0443 (DBB) \u043a\u043b\u0430\u043f\u0430\u043d\u044b: \u0436\u0430\u043b\u0493\u044b\u0437 \u0436\u04d9\u043d\u0435 \u049b\u043e\u0441 \u043f\u043e\u0440\u0448\u0435\u043d\u044c\u0434\u0456\u043a \u04d9\u0441\u0435\u0440 (SPE\/DPE) \u0442\u04af\u0441\u0456\u043d\u0434\u0456\u0440\u043c\u0435\u0441\u0456"},"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\">\u041c\u0430\u0437\u043c\u04b1\u043d\u044b<\/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=\"\u041c\u0430\u0437\u043c\u04b1\u043d \u043a\u0435\u0441\u0442\u0435\u0441\u0456\u043d \u0430\u0443\u044b\u0441\u0442\u044b\u0440\u0443\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u0410\u0443\u044b\u0441\u0442\u044b\u0440\u0443<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#DBB_vs_DIB_the_terminology_that_causes_spec_mistakes\" >DBB \u0436\u04d9\u043d\u0435 DIB: \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u049b\u0430\u0442\u0435\u043b\u0435\u0440\u0456\u043d \u0442\u0443\u0434\u044b\u0440\u0430\u0442\u044b\u043d \u0442\u0435\u0440\u043c\u0438\u043d\u043e\u043b\u043e\u0433\u0438\u044f<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Why_teams_mix_the_terms\" >\u041d\u0435\u043b\u0456\u043a\u0442\u0435\u043d \u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043b\u0430\u0440 \u0442\u0435\u0440\u043c\u0438\u043d\u0434\u0435\u0440\u0434\u0456 \u0430\u0440\u0430\u043b\u0430\u0441\u0442\u044b\u0440\u0430\u0434\u044b<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_SPE_and_DPE_mean_in_seat_design\" >\u041e\u0440\u044b\u043d\u0434\u044b\u049b \u0434\u0438\u0437\u0430\u0439\u043d\u044b\u043d\u0434\u0430 SPE \u0436\u04d9\u043d\u0435 DPE \u043d\u0435\u043d\u0456 \u0431\u0456\u043b\u0434\u0456\u0440\u0435\u0434\u0456<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#SPE_seat_behavior_verification-friendly\" >SPE \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u0440\u044b\u043d\u044b\u04a3 \u0436\u04b1\u043c\u044b\u0441 \u0456\u0441\u0442\u0435\u0443 \u0442\u04d9\u0441\u0456\u043b\u0456 (\u0442\u0435\u043a\u0441\u0435\u0440\u0443\u0433\u0435 \u044b\u04a3\u0493\u0430\u0439\u043b\u044b)<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#DPE_seat_behavior_bidirectional_isolation\" >DPE \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u0440\u044b\u043d\u044b\u04a3 \u043e\u0440\u043d\u0430\u043b\u0430\u0441\u0443\u044b (\u0435\u043a\u0456 \u0431\u0430\u0493\u044b\u0442\u0442\u044b \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0443)<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#SPE_vs_DPE_comparison_table\" >SPE \u0436\u04d9\u043d\u0435 DPE \u0441\u0430\u043b\u044b\u0441\u0442\u044b\u0440\u0443 \u043a\u0435\u0441\u0442\u0435\u0441\u0456<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#How_to_choose_the_right_seat_effect_for_your_DBB_spec\" >DBB \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u0441\u044b\u043d\u0430 \u0441\u04d9\u0439\u043a\u0435\u0441 \u043e\u0440\u044b\u043d\u0434\u044b\u049b \u044d\u0444\u0444\u0435\u043a\u0442\u0456\u0441\u0456\u043d \u049b\u0430\u043b\u0430\u0439 \u0442\u0430\u04a3\u0434\u0430\u0443\u0493\u0430 \u0431\u043e\u043b\u0430\u0434\u044b<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Start_with_the_site_workflow\" >\u0421\u0430\u0439\u0442 \u0436\u04b1\u043c\u044b\u0441 \u043f\u0440\u043e\u0446\u0435\u0441\u0456\u043d\u0435\u043d \u0431\u0430\u0441\u0442\u0430\u04a3\u044b\u0437<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#When_DPE_is_the_better_fit\" >DPE \u049b\u0430\u0448\u0430\u043d \u0436\u0430\u049b\u0441\u044b\u0440\u0430\u049b \u0441\u04d9\u0439\u043a\u0435\u0441 \u043a\u0435\u043b\u0435\u0434\u0456<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Spec_questions_that_prevent_rework_during_approval\" >\u0411\u0435\u043a\u0456\u0442\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u049b\u0430\u0439\u0442\u0430 \u04e9\u04a3\u0434\u0435\u0443\u0433\u0435 \u043a\u0435\u0434\u0435\u0440\u0433\u0456 \u043a\u0435\u043b\u0442\u0456\u0440\u0435\u0442\u0456\u043d \u043d\u0430\u049b\u0442\u044b \u0441\u04b1\u0440\u0430\u049b\u0442\u0430\u0440<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Ask_these_before_quoting\" >\u0414\u04d9\u0439\u0435\u043a\u0441\u04e9\u0437 \u043a\u0435\u043b\u0442\u0456\u0440\u043c\u0435\u0441 \u0431\u04b1\u0440\u044b\u043d \u043e\u0441\u044b\u043b\u0430\u0440\u0434\u044b \u0441\u04b1\u0440\u0430\u04a3\u044b\u0437<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#3_Key_Takeaways\" >3 \u043d\u0435\u0433\u0456\u0437\u0433\u0456 \u043e\u0439<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#FAQs\" >\u0416\u0438\u0456 \u049b\u043e\u0439\u044b\u043b\u0430\u0442\u044b\u043d \u0441\u04b1\u0440\u0430\u049b\u0442\u0430\u0440<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_does_DBB_mean_on_a_valve_datasheet\" >\u041a\u043b\u0430\u043f\u0430\u043d\u043d\u044b\u04a3 \u0442\u0435\u0445\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u043b\u0430\u0440\u044b\u043d\u0434\u0430 DBB \u043d\u0435\u043d\u0456 \u0431\u0456\u043b\u0434\u0456\u0440\u0435\u0434\u0456?<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Is_SPE_the_same_as_DBB\" >SPE DBB-\u043c\u0435\u043d \u0431\u0456\u0440\u0434\u0435\u0439 \u043c\u0435?<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Why_can_DPE_require_external_cavity_relief\" >\u041d\u0435\u043b\u0456\u043a\u0442\u0435\u043d DPE \u0441\u044b\u0440\u0442\u049b\u044b \u049b\u0443\u044b\u0441\u0442\u044b \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443\u0434\u0456 \u049b\u0430\u0436\u0435\u0442 \u0435\u0442\u0443\u0456 \u043c\u04af\u043c\u043a\u0456\u043d?<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Can_a_DBB_design_help_with_leak_detection\" >DBB \u0434\u0438\u0437\u0430\u0439\u043d\u044b \u0430\u0493\u044b\u043f \u043a\u0435\u0442\u0443\u0434\u0456 \u0430\u043d\u044b\u049b\u0442\u0430\u0443\u0493\u0430 \u043a\u04e9\u043c\u0435\u043a\u0442\u0435\u0441\u0435 \u0430\u043b\u0430 \u043c\u0430?<\/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\/kk\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_should_I_include_in_a_DBB_purchase_specification\" >DBB \u0441\u0430\u0442\u044b\u043f \u0430\u043b\u0443 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u0441\u044b\u043d\u0430 \u043d\u0435 \u049b\u043e\u0441\u0443\u044b\u043c \u043a\u0435\u0440\u0435\u043a?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">DBB \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0443\u044b\u043d \u043a\u04e9\u0440\u0441\u0435\u0442\u043a\u0435\u043d \u043a\u0435\u0437\u0434\u0435, \u043d\u0430\u049b\u0442\u044b \u0441\u04b1\u0440\u0430\u049b \u049b\u0430\u0440\u0430\u043f\u0430\u0439\u044b\u043c: <strong>\u041e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u0440 \u049b\u0430\u043b\u0430\u0439 \u0442\u044b\u0493\u044b\u0437\u0434\u0430\u043b\u0430\u0434\u044b \u0436\u04d9\u043d\u0435 \u043a\u043b\u0430\u043f\u0430\u043d \u043a\u043e\u0440\u043f\u0443\u0441\u044b\u043d\u044b\u04a3 \u0456\u0448\u0456\u043d\u0434\u0435 \u0436\u0438\u043d\u0430\u043b\u0493\u0430\u043d \u049b\u044b\u0441\u044b\u043c\u043c\u0435\u043d \u043d\u0435 \u0431\u043e\u043b\u0430\u0434\u044b?<\/strong> \u0421\u043e\u043d\u0434\u044b\u049b\u0442\u0430\u043d \u201c\u0431\u0456\u0440 \u043f\u043e\u0440\u0448\u0435\u043d\u044c\u0434\u0456 \u04d9\u0441\u0435\u0440\u201d (SPE) \u0436\u04d9\u043d\u0435 \u201c\u049b\u043e\u0441 \u043f\u043e\u0440\u0448\u0435\u043d\u044c\u0434\u0456 \u04d9\u0441\u0435\u0440\u201d (DPE) \u043c\u0430\u04a3\u044b\u0437\u0434\u044b. \u041e\u043b\u0430\u0440 \u04e9\u0448\u0456\u0440\u0443\u0434\u0456 \u0442\u0435\u043a\u0441\u0435\u0440\u0443, \u0430\u049b\u0430\u0443\u043b\u0430\u0440\u0434\u044b \u0436\u043e\u044e \u0436\u04d9\u043d\u0435 \u0442\u0435\u0445\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u049b\u044b\u0437\u043c\u0435\u0442 \u043a\u04e9\u0440\u0441\u0435\u0442\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u043a\u04e9\u0440\u0435\u0442\u0456\u043d \u043d\u04d9\u0440\u0441\u0435\u043b\u0435\u0440\u0456\u04a3\u0456\u0437\u0434\u0456 \u04e9\u0437\u0433\u0435\u0440\u0442\u0435\u0434\u0456.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0433\u0435\u0440 \u0441\u0456\u0437 \u0430\u043b\u0434\u044b\u043c\u0435\u043d \u0442\u043e\u043b\u044b\u049b DBB \u0442\u04b1\u0436\u044b\u0440\u044b\u043c\u0434\u0430\u043c\u0430\u0441\u044b\u043d \u0430\u043b\u0493\u044b\u04a3\u044b\u0437 \u043a\u0435\u043b\u0441\u0435, \u043c\u044b\u043d\u0430 \u0436\u0435\u0440\u0434\u0435\u043d \u0431\u0430\u0441\u0442\u0430\u04a3\u044b\u0437: <a href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/the-ultimate-guide-to-double-block-and-bleed-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u049a\u043e\u0441 \u0431\u043b\u043e\u043a\u0442\u044b \u0436\u04d9\u043d\u0435 \u049b\u0430\u043d \u043a\u0435\u0442\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440\u044b\u043d\u0430 \u0430\u0440\u043d\u0430\u043b\u0493\u0430\u043d \u0442\u043e\u043b\u044b\u049b \u043d\u04b1\u0441\u049b\u0430\u0443\u043b\u044b\u049b<\/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 \u0436\u04d9\u043d\u0435 DIB: \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u049b\u0430\u0442\u0435\u043b\u0435\u0440\u0456\u043d \u0442\u0443\u0434\u044b\u0440\u0430\u0442\u044b\u043d \u0442\u0435\u0440\u043c\u0438\u043d\u043e\u043b\u043e\u0433\u0438\u044f<\/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>\u041d\u0435\u043b\u0456\u043a\u0442\u0435\u043d \u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043b\u0430\u0440 \u0442\u0435\u0440\u043c\u0438\u043d\u0434\u0435\u0440\u0434\u0456 \u0430\u0440\u0430\u043b\u0430\u0441\u0442\u044b\u0440\u0430\u0434\u044b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0416\u043e\u0431\u0430\u043b\u0430\u0440\u0434\u0430 \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u201c\u0435\u043a\u0456 \u043a\u0435\u0434\u0435\u0440\u0433\u0456 + \u049b\u0430\u043d \u043a\u0435\u0442\u0443\u201d \u0434\u0435\u0433\u0435\u043d\u043d\u0456\u04a3 \u049b\u044b\u0441\u049b\u0430\u0440\u0442\u044b\u043b\u0493\u0430\u043d \u043d\u04b1\u0441\u049b\u0430\u0441\u044b \u0440\u0435\u0442\u0456\u043d\u0434\u0435 \u201cDBB\u201d \u049b\u043e\u043b\u0434\u0430\u043d\u044b\u043b\u0430\u0434\u044b. \u0421\u043e\u043d\u0434\u0430\u0439-\u0430\u049b, \u04d9\u0434\u0435\u0442\u0442\u0435 \u0431\u0456\u0440\u0434\u0435\u0439 \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0443 \u043c\u0430\u049b\u0441\u0430\u0442\u044b\u043d \u043a\u04e9\u0440\u0441\u0435\u0442\u0435\u0442\u0456\u043d \u049b\u043e\u0441 \u0431\u043b\u043e\u043a\u0442\u044b \u049b\u0430\u043d \u043a\u0435\u0442\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u044b \u0441\u0438\u044f\u049b\u0442\u044b \u0434\u04d9\u0441\u0442\u04af\u0440\u043b\u0456 \u049b\u044b\u0441\u049b\u0430\u0440\u0442\u044b\u043b\u0493\u0430\u043d \u043d\u04b1\u0441\u049b\u0430\u043b\u0430\u0440\u0434\u044b \u043a\u04e9\u0440\u0443\u0433\u0435 \u0431\u043e\u043b\u0430\u0434\u044b, \u0431\u0456\u0440\u0430\u049b \u043e\u043b \u04d9\u0440\u049b\u0430\u0448\u0430\u043d \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u044b\u04a3 \u0436\u04b1\u043c\u044b\u0441 \u0456\u0441\u0442\u0435\u0443\u0456\u043d \u043d\u0435\u043c\u0435\u0441\u0435 \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d\u044b\u04a3 \u049b\u0430\u043b\u0430\u0439 \u0431\u0430\u0441\u049b\u0430\u0440\u044b\u043b\u0430\u0442\u044b\u043d\u044b\u043d \u043a\u04e9\u0440\u0441\u0435\u0442\u0435 \u0431\u0435\u0440\u043c\u0435\u0439\u0434\u0456.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u04e9\u043f\u0442\u0435\u0433\u0435\u043d \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u0430\u0440 \u043c\u0435\u043d \u0436\u0435\u0442\u043a\u0456\u0437\u0443\u0448\u0456\u043b\u0435\u0440\u0434\u0456\u04a3 \u0430\u043d\u044b\u049b\u0442\u0430\u043c\u0430\u043b\u0430\u0440\u044b \u0431\u04b1\u043b \u0442\u0435\u0440\u043c\u0438\u043d\u0434\u0435\u0440\u0434\u0456 \u0430\u0436\u044b\u0440\u0430\u0442\u0430\u0434\u044b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DBB:<\/strong> \u0435\u043a\u0456 \u0431\u0456\u0440 \u0431\u0430\u0493\u044b\u0442\u0442\u044b \u043e\u0440\u044b\u043d\u0434\u044b\u049b + \u049b\u0430\u043d \u043a\u0435\u0442\u0443, \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443\u0433\u0435 \u0430\u0440\u043d\u0430\u043b\u0493\u0430\u043d (\u0434\u0438\u0437\u0430\u0439\u043d\u0493\u0430 \u0431\u0430\u0439\u043b\u0430\u043d\u044b\u0441\u0442\u044b)<\/li>\n\n\n\n<li><strong>DIB:<\/strong> \u0431\u0456\u0440 \u043d\u0435\u043c\u0435\u0441\u0435 \u0435\u043a\u0456 \u0435\u043a\u0456 \u0431\u0430\u0493\u044b\u0442\u0442\u044b \u043e\u0440\u044b\u043d\u0434\u044b\u049b + \u049b\u0430\u043d \u043a\u0435\u0442\u0443, \u043c\u04b1\u043d\u0434\u0430 \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b \u0430\u043d\u044b\u049b\u0442\u0430\u043b\u0493\u0430\u043d \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443 \u04d9\u0434\u0456\u0441\u0456\u043d \u049b\u0430\u0436\u0435\u0442 \u0435\u0442\u0443\u0456 \u043c\u04af\u043c\u043a\u0456\u043d<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u0438\u043d\u0442\u0430\u0439 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0430\u043b\u044b\u049b \u0430\u0439\u044b\u0440\u043c\u0430\u0448\u044b\u043b\u044b\u049b\u0442\u0430\u0440\u0434\u044b \u043c\u044b\u043d\u0430 \u0436\u0435\u0440\u0434\u0435 \u049b\u043e\u0440\u044b\u0442\u044b\u043d\u0434\u044b\u043b\u0430\u0439\u0434\u044b: <a href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/ball-valve\/dbb-vs-dib-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">DBB \u0436\u04d9\u043d\u0435 DIB \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440\u044b: \u0430\u0439\u044b\u0440\u043c\u0430\u0448\u044b\u043b\u044b\u0493\u044b \u043d\u0435\u0434\u0435 \u0436\u04d9\u043d\u0435 \u043e\u043b\u0430\u0440\u0434\u044b \u049b\u0430\u0448\u0430\u043d \u049b\u043e\u043b\u0434\u0430\u043d\u0443 \u043a\u0435\u0440\u0435\u043a<\/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>\u041e\u0440\u044b\u043d\u0434\u044b\u049b \u0434\u0438\u0437\u0430\u0439\u043d\u044b\u043d\u0434\u0430 SPE \u0436\u04d9\u043d\u0435 DPE \u043d\u0435\u043d\u0456 \u0431\u0456\u043b\u0434\u0456\u0440\u0435\u0434\u0456<\/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 \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u0440\u044b\u043d\u044b\u04a3 \u0436\u04b1\u043c\u044b\u0441 \u0456\u0441\u0442\u0435\u0443 \u0442\u04d9\u0441\u0456\u043b\u0456 (\u0442\u0435\u043a\u0441\u0435\u0440\u0443\u0433\u0435 \u044b\u04a3\u0493\u0430\u0439\u043b\u044b)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0411\u0456\u0440 \u043f\u043e\u0440\u0448\u0435\u043d\u044c\u0434\u0456 \u04d9\u0441\u0435\u0440\u043b\u0456 \u043e\u0440\u044b\u043d\u0434\u044b\u049b \u0431\u0456\u0440 \u0431\u0430\u0493\u044b\u0442\u0442\u0430 \u049b\u044b\u0441\u044b\u043c\u043c\u0435\u043d \u049b\u0430\u043c\u0442\u0430\u043c\u0430\u0441\u044b\u0437 \u0435\u0442\u0456\u043b\u0435\u0434\u0456. \u041a\u04af\u043d\u0434\u0435\u043b\u0456\u043a\u0442\u0456 \u0434\u0430\u043b\u0430\u043b\u044b\u049b \u0436\u0430\u0493\u0434\u0430\u0439\u043b\u0430\u0440\u0434\u0430:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u04d8\u0440\u0431\u0456\u0440 \u043e\u0440\u044b\u043d\u0434\u044b\u049b \u04e9\u0437 \u0436\u0430\u0493\u044b\u043d\u0430\u043d \u043a\u0435\u043b\u0435\u0442\u0456\u043d \u049b\u044b\u0441\u044b\u043c\u0493\u0430 \u049b\u0430\u0440\u0441\u044b \u0442\u044b\u0493\u044b\u0437\u0434\u0430\u043b\u0430\u0434\u044b<\/li>\n\n\n\n<li>\u049a\u0443\u044b\u0441\u0442\u044b \u049b\u0430\u043d \u043a\u0435\u0442\u0443\u0434\u0435\u043d \u0442\u0430\u0437\u0430\u0440\u0442\u0443\u0493\u0430 \u0436\u04d9\u043d\u0435 \u0431\u0430\u049b\u044b\u043b\u0430\u0443\u0493\u0430 \u0431\u043e\u043b\u0430\u0434\u044b<\/li>\n\n\n\n<li>\u049a\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0442\u0443 \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u0436\u043e\u0431\u0430\u043b\u0430\u0443 \u0442\u04d9\u0441\u0456\u043b\u0456\u043d\u0456\u04a3 \u0431\u04e9\u043b\u0456\u0433\u0456 \u0431\u043e\u043b\u044b\u043f \u0442\u0430\u0431\u044b\u043b\u0430\u0434\u044b (\u0431\u0430\u0493\u044b\u0442 \u043f\u0435\u043d \u04d9\u0434\u0456\u0441\u0442\u0456 \u0434\u0435\u0440\u0435\u043a\u0442\u0435\u0440 \u043f\u0430\u0440\u0430\u0493\u044b\u043d\u0434\u0430 \u0440\u0430\u0441\u0442\u0430\u04a3\u044b\u0437)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SPE \u04d9\u0440\u0435\u043a\u0435\u0442\u0456 \u04d9\u0434\u0435\u0442\u0442\u0435 \u043a\u043b\u0430\u0441\u0441\u0438\u043a\u0430\u043b\u044b\u049b \u201c\u049b\u0430\u043d\u0434\u044b \u0431\u04e9\u043b\u0456\u043f \u0442\u0435\u043a\u0441\u0435\u0440\u0443\u201d \u0436\u04b1\u043c\u044b\u0441 \u043f\u0440\u043e\u0446\u0435\u0441\u0456\u043d\u0435 \u0441\u04d9\u0439\u043a\u0435\u0441 \u043a\u0435\u043b\u0435\u0434\u0456.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DPE_seat_behavior_bidirectional_isolation\"><\/span><strong>DPE \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u0440\u044b\u043d\u044b\u04a3 \u043e\u0440\u043d\u0430\u043b\u0430\u0441\u0443\u044b (\u0435\u043a\u0456 \u0431\u0430\u0493\u044b\u0442\u0442\u044b \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0443)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dual Piston Effect \u043e\u0440\u044b\u043d\u0434\u044b\u0493\u044b \u0435\u043a\u0456 \u0431\u0430\u0493\u044b\u0442\u0442\u0430\u043d \u0434\u0430 \u049b\u044b\u0441\u044b\u043c\u043c\u0435\u043d \u049b\u0430\u043c\u0442\u0430\u043c\u0430\u0441\u044b\u0437 \u0435\u0442\u0456\u043b\u0435\u0434\u0456. \u0411\u04b1\u043b \u043e\u043d\u044b\u04a3 \u049b\u044b\u0441\u044b\u043c \u0436\u043e\u0493\u0430\u0440\u044b \u043d\u0435\u043c\u0435\u0441\u0435 \u0442\u04e9\u043c\u0435\u043d \u0430\u0493\u044b\u0441\u049b\u0430 \u049b\u0430\u0440\u0430\u043c\u0430\u0441\u0442\u0430\u043d \u0442\u044b\u0493\u044b\u0437\u0434\u0430\u043b\u044b\u043f \u0442\u04b1\u0440\u0430 \u0430\u043b\u0430\u0442\u044b\u043d\u044b\u043d \u0431\u0456\u043b\u0434\u0456\u0440\u0435\u0434\u0456, \u0431\u04b1\u043b \u0430\u0443\u044b\u0441\u0443, \u0456\u0441\u043a\u0435 \u049b\u043e\u0441\u0443 \u043d\u0435\u043c\u0435\u0441\u0435 \u049b\u0430\u043b\u044b\u043f\u0442\u0430\u043d \u0442\u044b\u0441 \u043e\u049b\u0438\u0493\u0430\u043b\u0430\u0440 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u0431\u0430\u0493\u044b\u0442 \u04e9\u0437\u0433\u0435\u0440\u0443\u0456 \u043c\u04af\u043c\u043a\u0456\u043d \u0431\u043e\u043b\u0493\u0430\u043d \u043a\u0435\u0437\u0434\u0435 \u043f\u0430\u0439\u0434\u0430\u043b\u044b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0411\u04b1\u043b \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0438\u0441\u0441 \u049b\u0443\u044b\u0441\u0442\u044b \u0431\u0430\u0441\u049b\u0430\u0440\u0443\u0434\u0430. DPE \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f\u0441\u044b \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d \u04b1\u0441\u0442\u0430\u043f \u0442\u04b1\u0440\u0430 \u0430\u043b\u0430\u0434\u044b, \u0441\u043e\u043d\u0434\u044b\u049b\u0442\u0430\u043d \u0441\u0456\u0437\u0434\u0456\u04a3 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u04a3\u044b\u0437\u0434\u0430 \u0431\u04b1\u043b \u049b\u044b\u0441\u044b\u043c\u043d\u044b\u04a3 \u049b\u0430\u043b\u0430\u0439 \u04e9\u04a3\u0434\u0435\u043b\u0435\u0442\u0456\u043d\u0456 \u0430\u043d\u044b\u049b \u043a\u04e9\u0440\u0441\u0435\u0442\u0456\u043b\u0443\u0456 \u043a\u0435\u0440\u0435\u043a (\u0436\u04af\u0439\u0435\u043d\u0456\u04a3 \u0440\u0435\u043b\u044c\u0435\u0444\u0456, \u0430\u0440\u043d\u0430\u0439\u044b \u0440\u0435\u043b\u044c\u0435\u0444 \u043a\u043b\u0430\u043f\u0430\u043d\u044b \u043d\u0435\u043c\u0435\u0441\u0435 \u0430\u043d\u044b\u049b\u0442\u0430\u043b\u0493\u0430\u043d \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0442\u0430\u0443 \u0436\u043e\u0441\u043f\u0430\u0440\u044b).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SPE_vs_DPE_comparison_table\"><\/span><strong>SPE \u0436\u04d9\u043d\u0435 DPE \u0441\u0430\u043b\u044b\u0441\u0442\u044b\u0440\u0443 \u043a\u0435\u0441\u0442\u0435\u0441\u0456<\/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>\u0428\u0435\u0448\u0456\u043c \u049b\u0430\u0431\u044b\u043b\u0434\u0430\u0443 \u043d\u04af\u043a\u0442\u0435\u0441\u0456<\/strong><\/td><td><strong>SPE (\u0411\u0456\u0440 \u043f\u043e\u0440\u0448\u0435\u043d\u044c\u0434\u0456 \u04d9\u0441\u0435\u0440)<\/strong><\/td><td><strong>DPE (\u049b\u043e\u0441 \u043f\u043e\u0440\u0448\u0435\u043d\u044c\u0434\u0456 \u04d9\u0441\u0435\u0440)<\/strong><\/td><\/tr><tr><td>\u041e\u049b\u0448\u0430\u0443\u043b\u0430\u0443 \u0431\u0430\u0493\u044b\u0442\u044b<\/td><td>\u04d8\u0440 \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u049b\u0430 \u0431\u0456\u0440 \u0431\u0430\u0493\u044b\u0442<\/td><td>\u0415\u043a\u0456 \u0431\u0430\u0493\u044b\u0442 \u0442\u0430<\/td><\/tr><tr><td>\u049a\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d\u044b\u04a3 \u043c\u0456\u043d\u0435\u0437-\u049b\u04b1\u043b\u049b\u044b<\/td><td>\u041a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443 \u04af\u0448\u0456\u043d \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d (\u04d9\u0434\u0456\u0441\u0442\u0456 \u0440\u0430\u0441\u0442\u0430\u0443)<\/td><td>\u049a\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d \u04b1\u0441\u0442\u0430\u043f \u049b\u0430\u043b\u0443\u044b \u043c\u04af\u043c\u043a\u0456\u043d (\u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443 \u0436\u043e\u0441\u043f\u0430\u0440\u044b)<\/td><\/tr><tr><td>\u0415\u04a3 \u0436\u0430\u049b\u0441\u044b \u0441\u04d9\u0439\u043a\u0435\u0441\u0442\u0456\u043a<\/td><td>\u041a\u04af\u043d\u0434\u0435\u043b\u0456\u043a\u0442\u0456 \u0442\u0435\u043a\u0441\u0435\u0440\u0443 \u0436\u04d9\u043d\u0435 \u0442\u0435\u0445\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u049b\u044b\u0437\u043c\u0435\u0442 \u043a\u04e9\u0440\u0441\u0435\u0442\u0443 \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0443\u044b<\/td><td>\u0415\u043a\u0456 \u0431\u0430\u0493\u044b\u0442\u0442\u044b \u0442\u044b\u0493\u044b\u0437\u0434\u0430\u0443 \u0436\u04d9\u043d\u0435 \u0430\u0443\u044b\u0441\u0442\u044b\u0440\u0443 \u043c\u0456\u043d\u0434\u0435\u0442\u0456<\/td><\/tr><tr><td>\u041d\u0435\u043d\u0456 \u0440\u0430\u0441\u0442\u0430\u0443 \u043a\u0435\u0440\u0435\u043a<\/td><td>\u041e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u044b\u04a3 \u0440\u0435\u043b\u044c\u0435\u0444\u0456\u043d\u0456\u04a3 \u0434\u0438\u0437\u0430\u0439\u043d\u044b + \u0441\u044b\u043d\u0430\u049b \u04d9\u0434\u0456\u0441\u0456<\/td><td>\u049a\u0443\u044b\u0441\u0442\u044b \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443 \u04d9\u0434\u0456\u0441\u0456 + \u0441\u044b\u043d\u0430\u049b \u04d9\u0434\u0456\u0441\u0456<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0411\u0430\u0439\u043b\u0430\u043d\u044b\u0441\u0442\u044b \u049b\u0430\u043d \u043a\u0435\u0442\u0443 \u0436\u04d9\u043d\u0435 \u0442\u0435\u043a\u0441\u0435\u0440\u0443 \u0442\u04b1\u0436\u044b\u0440\u044b\u043c\u0434\u0430\u043c\u0430\u043b\u0430\u0440\u044b\u043d \u043c\u044b\u043d\u0430 \u0436\u0435\u0440\u0434\u0435\u043d \u049b\u0430\u0440\u0430\u04a3\u044b\u0437: <a href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/ball-valve\/understanding-block-and-bleed-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0411\u043b\u043e\u043a\u0442\u0430\u0443 \u0436\u04d9\u043d\u0435 \u049b\u0430\u043d \u043a\u0435\u0442\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440\u044b\u043d \u0442\u04af\u0441\u0456\u043d\u0443<\/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 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u0441\u044b\u043d\u0430 \u0441\u04d9\u0439\u043a\u0435\u0441 \u043e\u0440\u044b\u043d\u0434\u044b\u049b \u044d\u0444\u0444\u0435\u043a\u0442\u0456\u0441\u0456\u043d \u049b\u0430\u043b\u0430\u0439 \u0442\u0430\u04a3\u0434\u0430\u0443\u0493\u0430 \u0431\u043e\u043b\u0430\u0434\u044b<\/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>\u0421\u0430\u0439\u0442 \u0436\u04b1\u043c\u044b\u0441 \u043f\u0440\u043e\u0446\u0435\u0441\u0456\u043d\u0435\u043d \u0431\u0430\u0441\u0442\u0430\u04a3\u044b\u0437<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u049a\u043e\u0441 \u0431\u043b\u043e\u043a\u0442\u0430\u0443 \u0436\u04d9\u043d\u0435 \u0448\u044b\u0493\u0430\u0440\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u044b \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043b\u0430\u0440 \u049b\u0430\u0439\u0442\u0430\u043b\u0430\u043d\u0430\u0442\u044b\u043d \u04d9\u0434\u0456\u0441\u0442\u0456 \u049b\u0430\u043b\u0430\u0439\u0442\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u043d \u0442\u0430\u04a3\u0434\u0430\u043b\u0430\u0434\u044b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041a\u043b\u0430\u043f\u0430\u043d\u0434\u044b \u0436\u0430\u0431\u044b\u04a3\u044b\u0437<\/li>\n\n\n\n<li>\u049a\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0442\u0443 \u04af\u0448\u0456\u043d \u049b\u0430\u043d \u043a\u0435\u0442\u0443\u0434\u0456 \u0430\u0448\u044b\u04a3\u044b\u0437<\/li>\n\n\n\n<li>\u041e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u0440 \u0430\u0440\u0430\u0441\u044b\u043d\u0434\u0430\u0493\u044b \u049b\u044b\u0441\u044b\u043c\u043d\u044b\u04a3 \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0443\u0456 \u043d\u0435\u043c\u0435\u0441\u0435 \u0430\u0493\u044b\u043f \u043a\u0435\u0442\u0443 \u043a\u04e9\u0440\u0441\u0435\u0442\u043a\u0456\u0448\u0456\u043d \u0440\u0430\u0441\u0442\u0430\u04a3\u044b\u0437<\/li>\n\n\n\n<li>\u0421\u0430\u0439\u0442\u044b\u04a3\u044b\u0437\u0434\u044b\u04a3 \u049b\u04b1\u043b\u044b\u043f\u0442\u0430\u0443\/\u0431\u0435\u043b\u0433\u0456\u043b\u0435\u0443 \u043f\u0440\u043e\u0446\u0435\u0441\u0456 \u0431\u043e\u0439\u044b\u043d\u0448\u0430 \u0436\u0430\u043b\u0493\u0430\u0441\u0442\u044b\u0440\u044b\u04a3\u044b\u0437<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0433\u0435\u0440 \u0441\u0456\u0437\u0434\u0456\u04a3 \u043e\u0440\u043d\u0430\u043b\u0430\u0441\u049b\u0430\u043d \u0436\u0435\u0440\u0456\u04a3\u0456\u0437 \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u043d\u0443\u0434\u044b, SPE \u043c\u0456\u043d\u0435\u0437-\u049b\u04b1\u043b\u049b\u044b\u043d \u0436\u04d9\u043d\u0435 \u049b\u0443\u044b\u0441\u0442\u044b\u04a3 \u0440\u0435\u043b\u044c\u0435\u0444\u0456\u043d\u0456\u04a3 \u043c\u04d9\u043b\u0456\u043c\u0435\u0442\u0442\u0435\u0440\u0456\u043d \u0434\u04d9\u043b\u0435\u043b\u0434\u0435\u0443 \u04af\u0448\u0456\u043d \u049b\u0443\u044b\u0441\u0442\u044b\u04a3 \u049b\u0430\u043d \u043a\u0435\u0442\u0443\u0456\u043d\u0435 \u0431\u0430\u0439\u043b\u0430\u043d\u044b\u0441\u0442\u044b \u0431\u043e\u043b\u0441\u0430, \u0431\u04b1\u043b\u0430\u0440 \u0434\u0435\u0440\u0435\u043a\u0442\u0435\u0440 \u043f\u0430\u0440\u0430\u0493\u044b\u043d\u0430 \u0436\u0430\u0437\u044b\u043b\u0443\u044b \u043a\u0435\u0440\u0435\u043a.<\/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 \u049b\u0430\u0448\u0430\u043d \u0436\u0430\u049b\u0441\u044b\u0440\u0430\u049b \u0441\u04d9\u0439\u043a\u0435\u0441 \u043a\u0435\u043b\u0435\u0434\u0456<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u043a\u0456 \u0431\u0430\u0493\u044b\u0442\u0442\u044b \u0442\u044b\u0493\u044b\u0437\u0434\u0430\u0443 \u049b\u0430\u0436\u0435\u0442 \u0431\u043e\u043b\u0493\u0430\u043d \u043a\u0435\u0437\u0434\u0435 DPE \u043e\u0440\u044b\u043d\u0434\u044b\u049b \u04d9\u0440\u0435\u043a\u0435\u0442\u0456\u043d \u0442\u0430\u04a3\u0434\u0430\u04a3\u044b\u0437, \u0441\u0435\u0431\u0435\u0431\u0456:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0410\u0493\u044b\u043d\u043d\u044b\u04a3 \u043a\u0435\u0440\u0456 \u0430\u0493\u044b\u043c\u044b \u043e\u0440\u044b\u043d \u0430\u043b\u0430\u0434\u044b<\/li>\n\n\n\n<li>\u041e\u049b\u0448\u0430\u0443\u043b\u0430\u0443 \u049b\u044b\u0441\u044b\u043c \u0431\u0430\u0493\u044b\u0442\u044b\u043d\u0430 \u049b\u0430\u0440\u0430\u043c\u0430\u0441\u0442\u0430\u043d \u0441\u0430\u049b\u0442\u0430\u043b\u0443\u044b \u043a\u0435\u0440\u0435\u043a<\/li>\n\n\n\n<li>\u0410\u0443\u044b\u0441\u0442\u044b\u0440\u0443 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u043b\u0430\u0440\u044b \u0436\u0438\u0456 \u043a\u0435\u0437\u0434\u0435\u0441\u0435\u0434\u0456<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u0430\u0442\u044b\u043f \u0430\u043b\u0443 \u0442\u0456\u043b\u0456\u043d\u0434\u0435 \u0431\u04b1\u043b \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u049b\u043e\u0441 \u0431\u043b\u043e\u043a\u0442\u0430\u0443 \u0436\u04d9\u043d\u0435 \u0448\u0430\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u044b\u043d\u044b\u04a3 \u049b\u0430\u043d \u043a\u0435\u0442\u0443 \u0442\u0430\u043b\u0430\u0431\u044b\u043d\u0430, \u0441\u043e\u043d\u0434\u0430\u0439-\u0430\u049b SPE \u043d\u0435\u043c\u0435\u0441\u0435 DPE \u0436\u04d9\u043d\u0435 \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b \u0441\u0442\u0440\u0430\u0442\u0435\u0433\u0438\u044f\u0441\u044b\u043d \u043a\u04e9\u0440\u0441\u0435\u0442\u0435\u0442\u0456\u043d \u0430\u0440\u043d\u0430\u0439\u044b \u0442\u0430\u0440\u043c\u0430\u049b\u049b\u0430 \u0430\u0439\u043d\u0430\u043b\u0430\u0434\u044b.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>\u0411\u0430\u0442\u044b\u0440 \u04e9\u043d\u0456\u043c\u0456\u043d\u0456\u04a3 \u0435\u0440\u0435\u043a\u0448\u0435\u043b\u0456\u0433\u0456<\/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\/kk\/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=\"\u049a\u043e\u0441 \u0431\u043b\u043e\u043a\u0442\u044b \u0436\u04d9\u043d\u0435 \u0430\u0493\u044b\u0437\u0430\u0442\u044b\u043d \u043a\u043b\u0430\u043f\u0430\u043d\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u2194\ufe0f \u049a\u043e\u0441 \u0431\u043b\u043e\u043a\u0442\u0430\u0443 \u0436\u04d9\u043d\u0435 \u0448\u044b\u0493\u0430\u0440\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u044b<\/div>\n    <div class=\"hero-description\">\u0411\u0456\u0440 \u044b\u049b\u0448\u0430\u043c \u043a\u043b\u0430\u043f\u0430\u043d \u0436\u0438\u043d\u0430\u0493\u044b\u043d\u0434\u0430 \u0441\u0435\u043d\u0456\u043c\u0434\u0456 \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0443\u0434\u044b \u0436\u04d9\u043d\u0435 \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0442\u0443\u0434\u0456 \u049b\u0430\u043c\u0442\u0430\u043c\u0430\u0441\u044b\u0437 \u0435\u0442\u0443 \u04af\u0448\u0456\u043d \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d.<\/div>\n    <span class=\"hero-link\">\u04e8\u043d\u0456\u043c\u0434\u0456 \u0437\u0435\u0440\u0442\u0442\u0435\u04a3\u0456\u0437<\/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>\u0411\u0435\u043a\u0456\u0442\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u049b\u0430\u0439\u0442\u0430 \u04e9\u04a3\u0434\u0435\u0443\u0433\u0435 \u043a\u0435\u0434\u0435\u0440\u0433\u0456 \u043a\u0435\u043b\u0442\u0456\u0440\u0435\u0442\u0456\u043d \u043d\u0430\u049b\u0442\u044b \u0441\u04b1\u0440\u0430\u049b\u0442\u0430\u0440<\/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>\u0414\u04d9\u0439\u0435\u043a\u0441\u04e9\u0437 \u043a\u0435\u043b\u0442\u0456\u0440\u043c\u0435\u0441 \u0431\u04b1\u0440\u044b\u043d \u043e\u0441\u044b\u043b\u0430\u0440\u0434\u044b \u0441\u04b1\u0440\u0430\u04a3\u044b\u0437<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c\u0421\u0430\u0442\u044b\u043f \u0430\u043b\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u0431\u0435\u043a\u0456\u0442\u0456\u043b\u0433\u0435\u043d, \u0448\u043e\u043b\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u049b\u0430\u0439\u0442\u0430 \u049b\u0430\u0440\u0430\u043b\u0493\u0430\u043d\u201d \u0434\u0435\u0433\u0435\u043d\u0434\u0456 \u0431\u043e\u043b\u0434\u044b\u0440\u043c\u0430\u0443 \u04af\u0448\u0456\u043d \u043c\u044b\u043d\u0430\u043d\u044b \u0440\u0430\u0441\u0442\u0430\u04a3\u044b\u0437:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041a\u043b\u0430\u043f\u0430\u043d \u0430\u043d\u044b\u049b\u0442\u0430\u043c\u0430\u0441\u044b \u0431\u043e\u0439\u044b\u043d\u0448\u0430 DBB \u043d\u0435\u043c\u0435\u0441\u0435 DIB \u0431\u043e\u043b\u044b\u043f \u0442\u0430\u0431\u044b\u043b\u0430\u0434\u044b \u0436\u04d9\u043d\u0435 \u049b\u0430\u0439\u0441\u044b\u0441\u044b \u049b\u043e\u043b\u0434\u0430\u043d\u044b\u043b\u0430\u0434\u044b?<\/li>\n\n\n\n<li>\u041e\u0440\u044b\u043d\u0434\u044b\u049b \u04d9\u0441\u0435\u0440\u0456: SPE \u043d\u0435\u043c\u0435\u0441\u0435 DPE (\u0430\u043d\u044b\u049b\u0442\u0430\u043f \u043a\u04e9\u0440\u0441\u0435\u0442\u0456\u04a3\u0456\u0437)<\/li>\n\n\n\n<li>\u049a\u0443\u044b\u0441\u0442\u044b \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443 \u0442\u04d9\u0441\u0456\u043b\u0456 (\u04e9\u0437\u0456\u043d-\u04e9\u0437\u0456 \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443 \u0436\u04d9\u043d\u0435 \u0441\u044b\u0440\u0442\u049b\u044b \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443 \u0442\u0430\u043b\u0430\u0431\u044b)<\/li>\n\n\n\n<li>\u049a\u0430\u043d \u0430\u0493\u0443 \u043f\u043e\u0440\u0442\u044b\u043d\u044b\u04a3 \u04e9\u043b\u0448\u0435\u043c\u0456, \u0431\u0430\u0493\u044b\u0442\u044b \u0436\u04d9\u043d\u0435 \u0436\u0435\u043b\u0434\u0435\u0442\u043a\u0456\u0448\/\u0434\u0440\u0435\u043d\u0430\u0436\u0434\u044b\u04a3 \u049b\u0430\u0443\u0456\u043f\u0441\u0456\u0437 \u0431\u0430\u0493\u044b\u0442\u044b<\/li>\n\n\n\n<li>\u049a\u0430\u0436\u0435\u0442\u0442\u0456 \u0442\u0435\u043a\u0441\u0435\u0440\u0443 \u0436\u04d9\u043d\u0435 \u049b\u0430\u0431\u044b\u043b\u0434\u0430\u0443 \u049b\u04b1\u0436\u0430\u0442\u0442\u0430\u043c\u0430\u0441\u044b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0433\u0435\u0440 \u0441\u0456\u0437\u0434\u0456\u04a3 DBB \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u04a3\u044b\u0437 trunnion \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\u0441\u044b\u043d\u0434\u0430 \u0431\u043e\u043b\u0441\u0430, \u0431\u04b1\u043b \u043f\u0430\u0439\u0434\u0430\u043b\u044b \u043d\u04b1\u0441\u049b\u0430\u0443\u043b\u044b\u049b: <a href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/what-is-a-trunnion-ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0422\u0440\u0443\u043d\u043d\u0438\u043e\u043d\u0434\u044b \u0448\u0430\u0440 \u043a\u043b\u0430\u043f\u0430\u043d \u0434\u0435\u0433\u0435\u043d\u0456\u043c\u0456\u0437 \u043d\u0435?<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><strong>\u049a\u043e\u0440\u044b\u0442\u044b\u043d\u0434\u044b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPE \u0436\u04d9\u043d\u0435 DPE \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u044b\u04a3 \u0436\u04b1\u043c\u044b\u0441 \u0456\u0441\u0442\u0435\u0443 \u0442\u04d9\u0441\u0456\u043b\u0456\u043d \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u0439\u0434\u044b, \u0430\u043b \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u044b\u04a3 \u0436\u04b1\u043c\u044b\u0441 \u0456\u0441\u0442\u0435\u0443 \u0442\u04d9\u0441\u0456\u043b\u0456 \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0443\u0434\u044b\u04a3 \u049b\u0430\u043b\u0430\u0439 \u0442\u0435\u043a\u0441\u0435\u0440\u0456\u043b\u0435\u0442\u0456\u043d\u0456\u043d \u0436\u04d9\u043d\u0435 \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d\u044b\u04a3 \u049b\u0430\u043b\u0430\u0439 \u04e9\u04a3\u0434\u0435\u043b\u0435\u0442\u0456\u043d\u0456\u043d \u0430\u043d\u044b\u049b\u0442\u0430\u0439\u0434\u044b. SPE \u043d\u04b1\u0441\u049b\u0430\u043b\u0430\u0440\u044b \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u049b\u0443\u044b\u0441\u0442\u044b\u04a3 \u049b\u0430\u043d \u043a\u0435\u0442\u0443\u0456\u043d \u04d9\u0434\u0435\u0442\u0442\u0435\u0433\u0456 \u0442\u0435\u043a\u0441\u0435\u0440\u0443\u043c\u0435\u043d \u0436\u0430\u049b\u0441\u044b \u04af\u0439\u043b\u0435\u0441\u0435\u0434\u0456. DPE \u043d\u04b1\u0441\u049b\u0430\u043b\u0430\u0440\u044b \u0435\u043a\u0456 \u0431\u0430\u0493\u044b\u0442\u0442\u044b \u0442\u044b\u0493\u044b\u0437\u0434\u0430\u0443\u0434\u044b \u049b\u0430\u043c\u0442\u0430\u043c\u0430\u0441\u044b\u0437 \u0435\u0442\u0435\u0434\u0456, \u0431\u0456\u0440\u0430\u049b \u043e\u043b\u0430\u0440 \u049b\u0443\u044b\u0441\u0442\u044b \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443\u0434\u0456\u04a3 \u043d\u0430\u049b\u0442\u044b \u0436\u043e\u0441\u043f\u0430\u0440\u044b\u043d \u049b\u0430\u0436\u0435\u0442 \u0435\u0442\u0435\u0434\u0456.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u049a\u043e\u0441 \u0431\u043b\u043e\u043a\u0442\u044b \u0436\u04d9\u043d\u0435 \u0430\u0439\u0434\u0430\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u044b\u043d \u0442\u0430\u04a3\u0434\u0430\u0493\u0430\u043d \u043a\u0435\u0437\u0434\u0435, \u043e\u0440\u044b\u043d\u0434\u044b\u049b \u04d9\u0441\u0435\u0440\u0456 \u043c\u0435\u043d \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b \u04d9\u0434\u0456\u0441\u0456\u043d \u0434\u0435\u0440\u0435\u043a\u0442\u0435\u0440 \u043f\u0430\u0440\u0430\u0493\u044b\u043d\u0430 \u0436\u0430\u0437\u044b\u04a3\u044b\u0437. \u0411\u04b1\u043b \u0431\u0435\u043a\u0456\u0442\u0443\u043b\u0435\u0440\u0434\u0456 \u0430\u043d\u044b\u049b \u0435\u0442\u0435\u0434\u0456 \u0436\u04d9\u043d\u0435 \u0456\u0441\u043a\u0435 \u049b\u043e\u0441\u0443 \u0436\u04d9\u043d\u0435 \u0442\u0435\u0445\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u049b\u044b\u0437\u043c\u0435\u0442 \u043a\u04e9\u0440\u0441\u0435\u0442\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435\u0433\u0456 \u0430\u043b\u0493\u0430-\u0430\u0440\u0442\u049b\u0430 \u043a\u0435\u0442\u0443\u0434\u0456 \u0430\u0437\u0430\u0439\u0442\u0430\u0434\u044b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Key_Takeaways\"><\/span><strong>3 \u043d\u0435\u0433\u0456\u0437\u0433\u0456 \u043e\u0439<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPE \u0436\u04d9\u043d\u0435 DPE \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u0440\u0434\u044b\u04a3 \u049b\u044b\u0441\u044b\u043c\u043c\u0435\u043d \u049b\u0430\u043b\u0430\u0439 \u049b\u0430\u043c\u0442\u0430\u043c\u0430\u0441\u044b\u0437 \u0435\u0442\u0456\u043b\u0435\u0442\u0456\u043d\u0456\u043d \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u0439\u0434\u044b, \u0431\u04b1\u043b \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0443 \u043c\u0435\u043d \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d\u044b\u04a3 \u04e9\u0437\u0433\u0435\u0440\u0443\u0456\u043d\u0435 \u04d9\u0441\u0435\u0440 \u0435\u0442\u0435\u0434\u0456.<\/li>\n\n\n\n<li>DPE \u0435\u043a\u0456 \u0431\u0430\u0493\u044b\u0442\u0442\u044b \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0443\u0434\u044b \u049b\u043e\u043b\u0434\u0430\u0439\u0434\u044b, \u0431\u0456\u0440\u0430\u049b \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0442\u0443\u0434\u0456 \u0430\u043d\u044b\u049b\u0442\u0430\u0443 \u049b\u0430\u0436\u0435\u0442.<\/li>\n\n\n\n<li>\u049a\u0430\u0439\u0442\u0430 \u04e9\u04a3\u0434\u0435\u0443\u0434\u0456 \u0431\u043e\u043b\u0434\u044b\u0440\u043c\u0430\u0443 \u04af\u0448\u0456\u043d \u043e\u0440\u044b\u043d\u0434\u044b\u049b \u04d9\u0441\u0435\u0440\u0456\u043d, \u0440\u0435\u043b\u044c\u0435\u0444 \u0442\u04d9\u0441\u0456\u043b\u0456\u043d \u0436\u04d9\u043d\u0435 \u0442\u0435\u043a\u0441\u0435\u0440\u0443 \u04d9\u0434\u0456\u0441\u0456\u043d \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u0493\u0430 \u0435\u043d\u0433\u0456\u0437\u0456\u04a3\u0456\u0437.<\/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\/kk\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0411\u0430\u0493\u0430 \u0430\u043b\u0443<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong>\u0416\u0438\u0456 \u049b\u043e\u0439\u044b\u043b\u0430\u0442\u044b\u043d \u0441\u04b1\u0440\u0430\u049b\u0442\u0430\u0440<\/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>\u041a\u043b\u0430\u043f\u0430\u043d\u043d\u044b\u04a3 \u0442\u0435\u0445\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u043b\u0430\u0440\u044b\u043d\u0434\u0430 DBB \u043d\u0435\u043d\u0456 \u0431\u0456\u043b\u0434\u0456\u0440\u0435\u0434\u0456?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u04d8\u0434\u0435\u0442\u0442\u0435 \u0431\u04b1\u043b \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u0440 \u0430\u0440\u0430\u0441\u044b\u043d\u0434\u0430\u0493\u044b \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0442\u0443 \u0436\u04d9\u043d\u0435 \u0430\u0493\u044b\u043f \u043a\u0435\u0442\u0443\u0434\u0456 \u0442\u0435\u043a\u0441\u0435\u0440\u0443 \u04af\u0448\u0456\u043d \u049b\u0430\u043d \u043a\u0435\u0442\u0443 \u043d\u04af\u043a\u0442\u0435\u0441\u0456 \u0431\u0430\u0440 \u0435\u043a\u0456 \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0493\u044b\u0448 \u0442\u043e\u0441\u049b\u0430\u0443\u044b\u043b\u0434\u044b\u04a3 \u0431\u043e\u043b\u0443\u044b\u043d \u0431\u0456\u043b\u0434\u0456\u0440\u0435\u0434\u0456.<\/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 DBB-\u043c\u0435\u043d \u0431\u0456\u0440\u0434\u0435\u0439 \u043c\u0435?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0416\u043e\u049b. SPE \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u044b\u04a3 \u0436\u04b1\u043c\u044b\u0441 \u0456\u0441\u0442\u0435\u0443 \u0442\u04d9\u0441\u0456\u043b\u0456\u043d \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u0439\u0434\u044b. \u0421\u0456\u0437 \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u0440\u0434\u044b\u04a3 SPE \u043d\u0435\u043c\u0435\u0441\u0435 DPE \u0435\u043a\u0435\u043d\u0456\u043d \u0436\u04d9\u043d\u0435 \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b\u043d\u044b\u04a3 \u049b\u0430\u043b\u0430\u0439 \u04e9\u04a3\u0434\u0435\u043b\u0435\u0442\u0456\u043d\u0456\u043d \u043a\u04e9\u0440\u0441\u0435\u0442\u0443\u0456\u04a3\u0456\u0437 \u043a\u0435\u0440\u0435\u043a.<\/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>\u041d\u0435\u043b\u0456\u043a\u0442\u0435\u043d DPE \u0441\u044b\u0440\u0442\u049b\u044b \u049b\u0443\u044b\u0441\u0442\u044b \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443\u0434\u0456 \u049b\u0430\u0436\u0435\u0442 \u0435\u0442\u0443\u0456 \u043c\u04af\u043c\u043a\u0456\u043d?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DPE \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u0440\u044b \u0435\u043a\u0456 \u0431\u0430\u0493\u044b\u0442\u0442\u0430 \u0434\u0430 \u0442\u044b\u0493\u044b\u0437\u0434\u0430\u043b\u0430 \u0430\u043b\u0430\u0442\u044b\u043d\u0434\u044b\u049b\u0442\u0430\u043d, \u049b\u0443\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443 \u0436\u043e\u043b\u044b \u043a\u04e9\u0440\u0441\u0435\u0442\u0456\u043b\u043c\u0435\u0441\u0435, \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u043c\u0435\u0443\u0456 \u043c\u04af\u043c\u043a\u0456\u043d.<\/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 \u0434\u0438\u0437\u0430\u0439\u043d\u044b \u0430\u0493\u044b\u043f \u043a\u0435\u0442\u0443\u0434\u0456 \u0430\u043d\u044b\u049b\u0442\u0430\u0443\u0493\u0430 \u043a\u04e9\u043c\u0435\u043a\u0442\u0435\u0441\u0435 \u0430\u043b\u0430 \u043c\u0430?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0418\u04d9. \u0421\u044b\u043d\u0430\u049b \u04d9\u0434\u0456\u0441\u0456 \u043c\u0435\u043d \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u0441\u044b\u043d\u0430 \u0431\u0430\u0439\u043b\u0430\u043d\u044b\u0441\u0442\u044b, \u049b\u0430\u043d \u043a\u0435\u0442\u0443 \u049b\u0443\u044b\u0441\u044b\u043d \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u044b\u04a3 \u0430\u0493\u044b\u043f \u043a\u0435\u0442\u0443\u0456\u043d \u043a\u04e9\u0440\u0441\u0435\u0442\u0435\u0442\u0456\u043d \u049b\u044b\u0441\u044b\u043c \u04e9\u0437\u0433\u0435\u0440\u0456\u0441\u0442\u0435\u0440\u0456\u043d\u0435 \u0431\u0430\u049b\u044b\u043b\u0430\u0443\u0493\u0430 \u0431\u043e\u043b\u0430\u0434\u044b.<\/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 \u0441\u0430\u0442\u044b\u043f \u0430\u043b\u0443 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u0441\u044b\u043d\u0430 \u043d\u0435 \u049b\u043e\u0441\u0443\u044b\u043c \u043a\u0435\u0440\u0435\u043a?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0440\u044b\u043d\u0434\u044b\u049b \u04d9\u0441\u0435\u0440\u0456 (SPE\/DPE), \u049b\u0443\u044b\u0441\u0442\u044b \u0436\u0435\u04a3\u0456\u043b\u0434\u0435\u0442\u0443 \u0442\u04d9\u0441\u0456\u043b\u0456, \u049b\u0430\u043d \u043a\u0435\u0442\u0443 \u043f\u043e\u0440\u0442\u044b\u043d\u044b\u04a3 \u043c\u04d9\u043b\u0456\u043c\u0435\u0442\u0442\u0435\u0440\u0456, \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0434\u0430\u0440, \u049b\u044b\u0441\u044b\u043c \u043a\u043b\u0430\u0441\u044b \u0436\u04d9\u043d\u0435 \u049b\u0430\u0436\u0435\u0442\u0442\u0456 \u0441\u044b\u043d\u0430\u049b\/\u0442\u0435\u043a\u0441\u0435\u0440\u0443 \u049b\u04b1\u0436\u0430\u0442\u0442\u0430\u043c\u0430\u0441\u044b.<\/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\/kk\/wp-json\/wp\/v2\/posts\/14672","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/comments?post=14672"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/posts\/14672\/revisions"}],"predecessor-version":[{"id":14727,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/posts\/14672\/revisions\/14727"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/media\/14673"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/media?parent=14672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/categories?post=14672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/tags?post=14672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}