{"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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/","title":{"rendered":"\u0921\u092c\u0932 \u092c\u094d\u0932\u0949\u0915 \u090f\u0902\u0921 \u092c\u094d\u0932\u0940\u0921 (\u0921\u0940\u092c\u0940\u092c\u0940) \u0935\u093e\u0932\u094d\u0935: \u0938\u093f\u0902\u0917\u0932 \u092c\u0928\u093e\u092e \u0921\u094d\u092f\u0942\u0932 \u092a\u093f\u0938\u094d\u091f\u0928 \u0907\u092b\u0947\u0915\u094d\u091f (\u090f\u0938\u092a\u0940\u0908\/\u0921\u0940\u092a\u0940\u0908) \u0915\u0940 \u0935\u094d\u092f\u093e\u0916\u094d\u092f\u093e"},"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\">\u0935\u093f\u0937\u092f\u0938\u0942\u091a\u0940<\/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=\"\u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0924\u093e\u0932\u093f\u0915\u093e \u091f\u0949\u0917\u0932 \u0915\u0930\u0947\u0902\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u091f\u0949\u0917\u0932<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#DBB_vs_DIB_the_terminology_that_causes_spec_mistakes\" >\u0921\u0940\u092c\u0940\u092c\u0940 \u092c\u0928\u093e\u092e \u0921\u0940\u0906\u0908\u092c\u0940: \u0935\u094b \u0936\u092c\u094d\u0926\u093e\u0935\u0932\u0940 \u091c\u094b \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936 \u0938\u0902\u092c\u0902\u0927\u0940 \u0924\u094d\u0930\u0941\u091f\u093f\u092f\u094b\u0902 \u0915\u093e \u0915\u093e\u0930\u0923 \u092c\u0928\u0924\u0940 \u0939\u0948<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Why_teams_mix_the_terms\" >\u091f\u0940\u092e\u0947\u0902 \u0907\u0928 \u0936\u092c\u094d\u0926\u094b\u0902 \u0915\u094b \u0915\u094d\u092f\u094b\u0902 \u092e\u093f\u0932\u093e\u0924\u0940 \u0939\u0948\u0902?<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_SPE_and_DPE_mean_in_seat_design\" >\u0938\u0940\u091f \u0921\u093f\u091c\u093e\u0907\u0928 \u092e\u0947\u0902 SPE \u0914\u0930 DPE \u0915\u093e \u0915\u094d\u092f\u093e \u0905\u0930\u094d\u0925 \u0939\u0948?<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#SPE_seat_behavior_verification-friendly\" >\u090f\u0938\u092a\u0940\u0908 \u0938\u0940\u091f \u0935\u094d\u092f\u0935\u0939\u093e\u0930 (\u0938\u0924\u094d\u092f\u093e\u092a\u0928-\u0905\u0928\u0941\u0915\u0942\u0932)<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#DPE_seat_behavior_bidirectional_isolation\" >\u0921\u0940\u092a\u0940\u0908 \u0938\u0940\u091f \u0935\u094d\u092f\u0935\u0939\u093e\u0930 (\u0926\u094d\u0935\u093f\u0926\u093f\u0936\u093e\u0924\u094d\u092e\u0915 \u0905\u0932\u0917\u093e\u0935)<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#SPE_vs_DPE_comparison_table\" >\u090f\u0938\u092a\u0940\u0908 \u092c\u0928\u093e\u092e \u0921\u0940\u092a\u0940\u0908 \u0924\u0941\u0932\u0928\u093e \u0924\u093e\u0932\u093f\u0915\u093e<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#How_to_choose_the_right_seat_effect_for_your_DBB_spec\" >\u0905\u092a\u0928\u0947 DBB \u0938\u094d\u092a\u0947\u0938\u093f\u092b\u093f\u0915\u0947\u0936\u0928 \u0915\u0947 \u0932\u093f\u090f \u0938\u0939\u0940 \u0938\u0940\u091f \u0907\u092b\u0947\u0915\u094d\u091f \u0915\u0948\u0938\u0947 \u091a\u0941\u0928\u0947\u0902<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Start_with_the_site_workflow\" >\u0938\u093e\u0907\u091f \u0935\u0930\u094d\u0915\u092b\u093c\u094d\u0932\u094b \u0938\u0947 \u0936\u0941\u0930\u0941\u0906\u0924 \u0915\u0930\u0947\u0902<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#When_DPE_is_the_better_fit\" >\u091c\u092c \u0921\u0940\u092a\u0940\u0908 \u092c\u0947\u0939\u0924\u0930 \u0935\u093f\u0915\u0932\u094d\u092a \u0939\u094b<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Spec_questions_that_prevent_rework_during_approval\" >\u0905\u0928\u0941\u092e\u094b\u0926\u0928 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u092a\u0941\u0928:\u0915\u093e\u0930\u094d\u092f \u0915\u094b \u0930\u094b\u0915\u0928\u0947 \u0935\u093e\u0932\u0947 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u092a\u094d\u0930\u0936\u094d\u0928<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Ask_these_before_quoting\" >\u0915\u094b\u091f\u0947\u0936\u0928 \u0926\u0947\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947 \u092f\u0947 \u0938\u0935\u093e\u0932 \u092a\u0942\u091b\u0947\u0902<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#3_Key_Takeaways\" >3 \u092e\u0941\u0916\u094d\u092f \u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#FAQs\" >\u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0936\u094d\u0928<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_does_DBB_mean_on_a_valve_datasheet\" >\u0935\u093e\u0932\u094d\u0935 \u0921\u0947\u091f\u093e\u0936\u0940\u091f \u092a\u0930 DBB \u0915\u093e \u0915\u094d\u092f\u093e \u0905\u0930\u094d\u0925 \u0939\u0948?<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Is_SPE_the_same_as_DBB\" >\u0915\u094d\u092f\u093e \u090f\u0938\u092a\u0940\u0908 \u0914\u0930 \u0921\u0940\u092c\u0940\u092c\u0940 \u090f\u0915 \u0939\u0940 \u091a\u0940\u091c\u093c \u0939\u0948\u0902?<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Why_can_DPE_require_external_cavity_relief\" >\u0921\u0940\u092a\u0940\u0908 \u0915\u094b \u092c\u093e\u0939\u0930\u0940 \u0917\u0941\u0939\u093e \u0930\u093e\u0939\u0924 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0915\u094d\u092f\u094b\u0902 \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948?<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#Can_a_DBB_design_help_with_leak_detection\" >\u0915\u094d\u092f\u093e \u0921\u0940\u092c\u0940\u092c\u0940 \u0921\u093f\u091c\u093e\u0907\u0928 \u0930\u093f\u0938\u093e\u0935 \u0915\u093e \u092a\u0924\u093e \u0932\u0917\u093e\u0928\u0947 \u092e\u0947\u0902 \u092e\u0926\u0926 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948?<\/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\/hi\/blog\/technical-science\/dbb-valve-spe-vs-dpe-isolation\/#What_should_I_include_in_a_DBB_purchase_specification\" >\u092e\u0941\u091d\u0947 \u0921\u0940\u092c\u0940\u092c\u0940 \u0916\u0930\u0940\u0926 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936 \u092e\u0947\u0902 \u0915\u094d\u092f\u093e \u0936\u093e\u092e\u093f\u0932 \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u091c\u092c \u0906\u092a \u0921\u0940\u092c\u0940\u092c\u0940 \u0906\u0907\u0938\u094b\u0932\u0947\u0936\u0928 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0924\u094b \u0905\u0938\u0932\u0940 \u0938\u0935\u093e\u0932 \u0938\u0930\u0932 \u0939\u0948: <strong>\u092f\u0947 \u0938\u0940\u091f\u0947\u0902 \u0915\u0948\u0938\u0947 \u0938\u0940\u0932 \u0939\u094b\u0924\u0940 \u0939\u0948\u0902, \u0914\u0930 \u0935\u093e\u0932\u094d\u0935 \u092c\u0949\u0921\u0940 \u0915\u0947 \u0905\u0902\u0926\u0930 \u092b\u0902\u0938\u093e \u0926\u092c\u093e\u0935 \u0915\u093f\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948?<\/strong> \u0907\u0938\u0940\u0932\u093f\u090f &quot;\u0938\u093f\u0902\u0917\u0932 \u092a\u093f\u0938\u094d\u091f\u0928 \u0907\u092b\u0947\u0915\u094d\u091f&quot; (\u090f\u0938\u092a\u0940\u0908) \u0914\u0930 &quot;\u0921\u0941\u0905\u0932 \u092a\u093f\u0938\u094d\u091f\u0928 \u0907\u092b\u0947\u0915\u094d\u091f&quot; (\u0921\u0940\u092a\u0940\u0908) \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u0948\u0902\u0964 \u092f\u0947 \u0936\u091f\u0921\u093e\u0909\u0928 \u0938\u0924\u094d\u092f\u093e\u092a\u0928, \u092c\u094d\u0932\u0940\u0921\u093f\u0902\u0917 \u0914\u0930 \u0930\u0916\u0930\u0916\u093e\u0935 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0906\u092a\u0915\u094b \u091c\u094b \u0926\u093f\u0916\u093e\u0908 \u0926\u0947\u0917\u093e, \u0909\u0938\u0947 \u092c\u0926\u0932 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u092f\u0926\u093f \u0906\u092a \u092a\u0939\u0932\u0947 \u0921\u0940\u092c\u0940\u092c\u0940 \u0915\u0940 \u092a\u0942\u0930\u0940 \u0905\u0935\u0927\u093e\u0930\u0923\u093e \u0915\u094b \u0938\u092e\u091d\u0928\u093e \u091a\u093e\u0939\u0924\u0947 \u0939\u0948\u0902, \u0924\u094b \u092f\u0939\u093e\u0902 \u0938\u0947 \u0936\u0941\u0930\u0942 \u0915\u0930\u0947\u0902: <a href=\"https:\/\/www.xintaivalves.com\/hi\/blog\/the-ultimate-guide-to-double-block-and-bleed-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0921\u092c\u0932 \u092c\u094d\u0932\u0949\u0915 \u0914\u0930 \u092c\u094d\u0932\u0940\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u0932\u093f\u090f \u0938\u0902\u092a\u0942\u0930\u094d\u0923 \u0917\u093e\u0907\u0921<\/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>\u0921\u0940\u092c\u0940\u092c\u0940 \u092c\u0928\u093e\u092e \u0921\u0940\u0906\u0908\u092c\u0940: \u0935\u094b \u0936\u092c\u094d\u0926\u093e\u0935\u0932\u0940 \u091c\u094b \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936 \u0938\u0902\u092c\u0902\u0927\u0940 \u0924\u094d\u0930\u0941\u091f\u093f\u092f\u094b\u0902 \u0915\u093e \u0915\u093e\u0930\u0923 \u092c\u0928\u0924\u0940 \u0939\u0948<\/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>\u091f\u0940\u092e\u0947\u0902 \u0907\u0928 \u0936\u092c\u094d\u0926\u094b\u0902 \u0915\u094b \u0915\u094d\u092f\u094b\u0902 \u092e\u093f\u0932\u093e\u0924\u0940 \u0939\u0948\u0902?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u092e\u0947\u0902 \u0905\u0915\u094d\u0938\u0930 &quot;\u0921\u0940\u092c\u0940\u092c\u0940&quot; \u0915\u093e \u092a\u094d\u0930\u092f\u094b\u0917 &quot;\u0926\u094b \u0905\u0935\u0930\u094b\u0927 + \u092c\u094d\u0932\u0940\u0921&quot; \u0915\u0947 \u0938\u0902\u0915\u094d\u0937\u093f\u092a\u094d\u0924 \u0930\u0942\u092a \u092e\u0947\u0902 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0906\u092a\u0915\u094b \u0921\u092c\u0932 \u092c\u094d\u0932\u0949\u0915 \u092c\u094d\u0932\u0940\u0921 \u0935\u093e\u0932\u094d\u0935 \u091c\u0948\u0938\u0947 \u092a\u0941\u0930\u093e\u0928\u0947 \u0938\u0902\u0915\u094d\u0937\u093f\u092a\u094d\u0924 \u0930\u0942\u092a \u092d\u0940 \u0926\u0947\u0916\u0928\u0947 \u0915\u094b \u092e\u093f\u0932 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902, \u091c\u094b \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u0909\u0938\u0940 \u0905\u0932\u0917\u093e\u0935 \u0915\u0947 \u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f \u0915\u094b \u0926\u0930\u094d\u0936\u093e\u0924\u0947 \u0939\u0948\u0902, \u0932\u0947\u0915\u093f\u0928 \u092f\u0939 \u0939\u092e\u0947\u0936\u093e \u0938\u0940\u091f \u0915\u0947 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u092f\u093e \u0917\u0941\u0939\u093e \u0926\u092c\u093e\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u092a\u094d\u0930\u092c\u0902\u0927\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u0907\u0938\u0915\u093e \u0938\u094d\u092a\u0937\u094d\u091f \u0935\u093f\u0935\u0930\u0923 \u0928\u0939\u0940\u0902 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0915\u0908 \u092e\u093e\u0928\u0915 \u0914\u0930 \u0935\u093f\u0915\u094d\u0930\u0947\u0924\u093e \u092a\u0930\u093f\u092d\u093e\u0937\u093e\u090f\u0901 \u0907\u0928 \u0936\u092c\u094d\u0926\u094b\u0902 \u0915\u094b \u0905\u0932\u0917-\u0905\u0932\u0917 \u0915\u0930\u0924\u0940 \u0939\u0948\u0902:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0921\u0940\u092c\u0940\u092c\u0940:<\/strong> \u0926\u094b \u090f\u0915\u0926\u093f\u0936\u0940\u092f \u0938\u0940\u091f\u0947\u0902 + \u092c\u094d\u0932\u0940\u0921, \u0917\u0941\u0939\u093e \u0926\u092c\u093e\u0935 \u0915\u0947 \u0938\u093e\u0925 \u0930\u093e\u0939\u0924 \u0926\u0947\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u092f\u093e \u0917\u092f\u093e (\u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930)<\/li>\n\n\n\n<li><strong>\u0921\u0940\u0906\u0908\u092c\u0940:<\/strong> \u090f\u0915 \u092f\u093e \u0926\u094b \u0926\u094d\u0935\u093f\u0926\u093f\u0936\u093e\u0924\u094d\u092e\u0915 \u0938\u0940\u091f\u0947\u0902 + \u092c\u094d\u0932\u0940\u0921, \u091c\u0939\u093e\u0902 \u0917\u0941\u0939\u093e \u0926\u092c\u093e\u0935 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0930\u093e\u0939\u0924 \u0935\u093f\u0927\u093f \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u091c\u093c\u093f\u0902\u091f\u093e\u0908 \u0928\u0947 \u0935\u094d\u092f\u093e\u0935\u0939\u093e\u0930\u093f\u0915 \u0905\u0902\u0924\u0930\u094b\u0902 \u0915\u093e \u0938\u093e\u0930\u093e\u0902\u0936 \u092f\u0939\u093e\u0901 \u092a\u094d\u0930\u0938\u094d\u0924\u0941\u0924 \u0915\u093f\u092f\u093e \u0939\u0948: <a href=\"https:\/\/www.xintaivalves.com\/hi\/blog\/ball-valve\/dbb-vs-dib-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0921\u0940\u092c\u0940\u092c\u0940 \u092c\u0928\u093e\u092e \u0921\u0940\u0906\u0908\u092c\u0940 \u0935\u093e\u0932\u094d\u0935: \u0907\u0928\u092e\u0947\u0902 \u0915\u094d\u092f\u093e \u0905\u0902\u0924\u0930 \u0939\u0948 \u0914\u0930 \u0907\u0928\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u092c \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f?<\/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>\u0938\u0940\u091f \u0921\u093f\u091c\u093e\u0907\u0928 \u092e\u0947\u0902 SPE \u0914\u0930 DPE \u0915\u093e \u0915\u094d\u092f\u093e \u0905\u0930\u094d\u0925 \u0939\u0948?<\/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>\u090f\u0938\u092a\u0940\u0908 \u0938\u0940\u091f \u0935\u094d\u092f\u0935\u0939\u093e\u0930 (\u0938\u0924\u094d\u092f\u093e\u092a\u0928-\u0905\u0928\u0941\u0915\u0942\u0932)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0938\u093f\u0902\u0917\u0932 \u092a\u093f\u0938\u094d\u091f\u0928 \u0907\u092b\u0947\u0915\u094d\u091f \u0938\u0940\u091f \u090f\u0915 \u0926\u093f\u0936\u093e \u0938\u0947 \u0926\u092c\u093e\u0935-\u0938\u0939\u093e\u092f\u0924\u093e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u092d\u093e\u0937\u093e \u092e\u0947\u0902 \u0915\u0939\u0947\u0902 \u0924\u094b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u0938\u0940\u091f \u0905\u092a\u0928\u0947 \u0915\u093f\u0928\u093e\u0930\u0947 \u0938\u0947 \u092a\u0921\u093c\u0928\u0947 \u0935\u093e\u0932\u0947 \u0926\u092c\u093e\u0935 \u0938\u0947 \u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0939\u0924\u0940 \u0939\u0948\u0964<\/li>\n\n\n\n<li>\u0917\u0941\u0939\u093e \u0938\u0947 \u0930\u0915\u094d\u0924\u0938\u094d\u0930\u093e\u0935 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948 \u0914\u0930 \u0909\u0938\u0915\u0940 \u0928\u093f\u0917\u0930\u093e\u0928\u0940 \u0915\u0940 \u091c\u093e \u0938\u0915\u0924\u0940 \u0939\u0948\u0964<\/li>\n\n\n\n<li>\u0915\u0948\u0935\u093f\u091f\u0940 \u092a\u094d\u0930\u0947\u0936\u0930 \u0930\u093f\u0932\u0940\u092b \u0905\u0915\u094d\u0938\u0930 \u0921\u093f\u091c\u093e\u0907\u0928 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u093e \u0939\u093f\u0938\u094d\u0938\u093e \u0939\u094b\u0924\u093e \u0939\u0948 (\u0921\u0947\u091f\u093e\u0936\u0940\u091f \u092a\u0930 \u0926\u093f\u0936\u093e \u0914\u0930 \u0935\u093f\u0927\u093f \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902)\u0964<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u090f\u0938\u092a\u0940\u0908 \u0915\u093e \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u0915\u094d\u0932\u093e\u0938\u093f\u0915 &quot;\u092c\u094d\u0932\u0940\u0921-\u090f\u0902\u0921-\u0935\u0947\u0930\u093f\u092b\u093e\u0908&quot; \u0935\u0930\u094d\u0915\u092b\u093c\u094d\u0932\u094b \u0915\u0947 \u0905\u0928\u0941\u0930\u0942\u092a \u0939\u094b\u0924\u093e \u0939\u0948\u0964.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DPE_seat_behavior_bidirectional_isolation\"><\/span><strong>\u0921\u0940\u092a\u0940\u0908 \u0938\u0940\u091f \u0935\u094d\u092f\u0935\u0939\u093e\u0930 (\u0926\u094d\u0935\u093f\u0926\u093f\u0936\u093e\u0924\u094d\u092e\u0915 \u0905\u0932\u0917\u093e\u0935)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0921\u094d\u092f\u0942\u0932 \u092a\u093f\u0938\u094d\u091f\u0928 \u0907\u092b\u0947\u0915\u094d\u091f \u0938\u0940\u091f \u0926\u094b\u0928\u094b\u0902 \u0926\u093f\u0936\u093e\u0913\u0902 \u0938\u0947 \u0926\u092c\u093e\u0935 \u0915\u0940 \u0938\u0939\u093e\u092f\u0924\u093e \u0938\u0947 \u0915\u093e\u092e \u0915\u0930\u0924\u0940 \u0939\u0948\u0964 \u0907\u0938\u0915\u093e \u092e\u0924\u0932\u092c \u0939\u0948 \u0915\u093f \u092f\u0939 \u0926\u092c\u093e\u0935 \u0915\u0947 \u0905\u092a\u0938\u094d\u091f\u094d\u0930\u0940\u092e \u092f\u093e \u0921\u093e\u0909\u0928\u0938\u094d\u091f\u094d\u0930\u0940\u092e \u0939\u094b\u0928\u0947 \u092a\u0930 \u092d\u0940 \u0938\u0940\u0932\u093f\u0902\u0917 \u092c\u0928\u093e\u090f \u0930\u0916 \u0938\u0915\u0924\u0940 \u0939\u0948, \u091c\u094b \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917, \u0938\u094d\u091f\u093e\u0930\u094d\u091f\u0905\u092a \u092f\u093e \u0905\u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0918\u091f\u0928\u093e\u0913\u0902 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0926\u093f\u0936\u093e \u092c\u0926\u0932\u0928\u0947 \u0915\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u0909\u092a\u092f\u094b\u0917\u0940 \u0939\u0948\u0964.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0907\u0938\u092e\u0947\u0902 \u090f\u0915 \u0938\u092e\u091d\u094c\u0924\u093e \u0915\u0948\u0935\u093f\u091f\u0940 \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u093e \u0939\u0948\u0964 \u090f\u0915 \u0921\u0940\u092a\u0940\u0908 \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930\u0947\u0936\u0928 \u0915\u0948\u0935\u093f\u091f\u0940 \u0926\u092c\u093e\u0935 \u0915\u094b \u092c\u0928\u093e\u090f \u0930\u0916 \u0938\u0915\u0924\u093e \u0939\u0948, \u0907\u0938\u0932\u093f\u090f \u0906\u092a\u0915\u0947 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936 \u092e\u0947\u0902 \u0938\u094d\u092a\u0937\u094d\u091f \u0930\u0942\u092a \u0938\u0947 \u092c\u0924\u093e\u092f\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u0915\u093f \u0909\u0938 \u0926\u092c\u093e\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 (\u0938\u093f\u0938\u094d\u091f\u092e \u0930\u093f\u0932\u0940\u092b, \u090f\u0915 \u0938\u092e\u0930\u094d\u092a\u093f\u0924 \u0930\u093f\u0932\u0940\u092b \u0935\u093e\u0932\u094d\u0935, \u092f\u093e \u090f\u0915 \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0930\u0942\u091f\u093f\u0902\u0917 \u092f\u094b\u091c\u0928\u093e)\u0964.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SPE_vs_DPE_comparison_table\"><\/span><strong>\u090f\u0938\u092a\u0940\u0908 \u092c\u0928\u093e\u092e \u0921\u0940\u092a\u0940\u0908 \u0924\u0941\u0932\u0928\u093e \u0924\u093e\u0932\u093f\u0915\u093e<\/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>\u0928\u093f\u0930\u094d\u0923\u092f \u092c\u093f\u0902\u0926\u0941<\/strong><\/td><td><strong>\u090f\u0938\u092a\u0940\u0908 (\u0938\u093f\u0902\u0917\u0932 \u092a\u093f\u0938\u094d\u091f\u0928 \u0907\u092b\u0947\u0915\u094d\u091f)<\/strong><\/td><td><strong>\u0921\u0940\u092a\u0940\u0908 (\u0921\u0941\u0905\u0932 \u092a\u093f\u0938\u094d\u091f\u0928 \u0907\u092b\u0947\u0915\u094d\u091f)<\/strong><\/td><\/tr><tr><td>\u0905\u0932\u0917\u093e\u0935 \u0926\u093f\u0936\u093e<\/td><td>\u092a\u094d\u0930\u0924\u093f \u0938\u0940\u091f \u090f\u0915 \u0926\u093f\u0936\u093e<\/td><td>\u0926\u094b\u0928\u094b\u0902 \u0926\u093f\u0936\u093e\u0913\u0902 \u092e\u0947\u0902<\/td><\/tr><tr><td>\u0917\u0941\u0939\u093e \u0926\u092c\u093e\u0935 \u0935\u094d\u092f\u0935\u0939\u093e\u0930<\/td><td>\u0905\u0915\u094d\u0938\u0930 \u0930\u093e\u0939\u0924 \u0926\u0947\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u092f\u093e \u0917\u092f\u093e (\u0935\u093f\u0927\u093f \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902)<\/td><td>\u0917\u0941\u0939\u093e \u0915\u0947 \u0926\u092c\u093e\u0935 \u0915\u094b \u0930\u094b\u0915 \u0938\u0915\u0924\u093e \u0939\u0948 (\u0930\u093e\u0939\u0924 \u092f\u094b\u091c\u0928\u093e \u092c\u0928\u093e\u090f\u0902)<\/td><\/tr><tr><td>\u0938\u092c\u0938\u0947 \u0905\u091a\u094d\u091b\u093e \u092b\u093f\u091f<\/td><td>\u0928\u093f\u092f\u092e\u093f\u0924 \u0938\u0924\u094d\u092f\u093e\u092a\u0928 \u0914\u0930 \u0930\u0916\u0930\u0916\u093e\u0935 \u0905\u0932\u0917\u093e\u0935<\/td><td>\u0926\u094d\u0935\u093f\u0926\u093f\u0936\u093e\u0924\u094d\u092e\u0915 \u0938\u0940\u0932\u093f\u0902\u0917 \u0914\u0930 \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u0915\u093e\u0930\u094d\u092f<\/td><\/tr><tr><td>\u0915\u094d\u092f\u093e \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0928\u0940 \u0939\u0948<\/td><td>\u0938\u0940\u091f \u0930\u093f\u0932\u0940\u092b \u0921\u093f\u091c\u093e\u0907\u0928 + \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0935\u093f\u0927\u093f<\/td><td>\u0917\u0941\u0939\u093e \u0930\u093e\u0939\u0924 \u0935\u093f\u0927\u093f + \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0935\u093f\u0927\u093f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u092c\u094d\u0932\u0940\u0921 \u0914\u0930 \u0938\u0924\u094d\u092f\u093e\u092a\u0928 \u0938\u0947 \u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u0905\u0935\u0927\u093e\u0930\u0923\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f, \u0926\u0947\u0916\u0947\u0902: <a href=\"https:\/\/www.xintaivalves.com\/hi\/blog\/ball-valve\/understanding-block-and-bleed-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u092c\u094d\u0932\u0949\u0915 \u0914\u0930 \u092c\u094d\u0932\u0940\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0938\u092e\u091d\u0928\u093e<\/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>\u0905\u092a\u0928\u0947 DBB \u0938\u094d\u092a\u0947\u0938\u093f\u092b\u093f\u0915\u0947\u0936\u0928 \u0915\u0947 \u0932\u093f\u090f \u0938\u0939\u0940 \u0938\u0940\u091f \u0907\u092b\u0947\u0915\u094d\u091f \u0915\u0948\u0938\u0947 \u091a\u0941\u0928\u0947\u0902<\/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>\u0938\u093e\u0907\u091f \u0935\u0930\u094d\u0915\u092b\u093c\u094d\u0932\u094b \u0938\u0947 \u0936\u0941\u0930\u0941\u0906\u0924 \u0915\u0930\u0947\u0902<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0921\u092c\u0932 \u092c\u094d\u0932\u0949\u0915 \u0914\u0930 \u092c\u094d\u0932\u0940\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0905\u0915\u094d\u0938\u0930 \u0907\u0938\u0932\u093f\u090f \u091a\u0941\u0928\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u091f\u0940\u092e\u0947\u0902 \u090f\u0915 \u0926\u094b\u0939\u0930\u093e\u0928\u0947 \u092f\u094b\u0917\u094d\u092f \u0935\u093f\u0927\u093f \u091a\u093e\u0939\u0924\u0940 \u0939\u0948\u0902:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0935\u093e\u0932\u094d\u0935 \u092c\u0902\u0926 \u0915\u0930\u0947\u0902<\/li>\n\n\n\n<li>\u0915\u0948\u0935\u093f\u091f\u0940 \u0915\u093e \u0926\u092c\u093e\u0935 \u0915\u092e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092c\u094d\u0932\u0940\u0921 \u0916\u094b\u0932\u0947\u0902<\/li>\n\n\n\n<li>\u0938\u0940\u091f\u094b\u0902 \u0915\u0947 \u092c\u0940\u091a \u0926\u092c\u093e\u0935 \u092e\u0947\u0902 \u0917\u093f\u0930\u093e\u0935\u091f \u092f\u093e \u0930\u093f\u0938\u093e\u0935 \u0915\u0947 \u0938\u0902\u0915\u0947\u0924 \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902<\/li>\n\n\n\n<li>\u0905\u092a\u0928\u0940 \u0938\u093e\u0907\u091f \u0915\u0940 \u0932\u0949\u0915\u0906\u0909\u091f\/\u091f\u0948\u0917\u0906\u0909\u091f \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0924\u0939\u0924 \u0906\u0917\u0947 \u092c\u0922\u093c\u0947\u0902<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u092f\u0926\u093f \u0906\u092a\u0915\u0940 \u0938\u093e\u0907\u091f \u0905\u0932\u0917\u093e\u0935, \u090f\u0938\u092a\u0940\u0908 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0914\u0930 \u0917\u0941\u0939\u093e \u0930\u093e\u0939\u0924 \u0935\u093f\u0935\u0930\u0923 \u0915\u094b \u0938\u093e\u092c\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0917\u0941\u0939\u093e \u0930\u0915\u094d\u0924\u0938\u094d\u0930\u093e\u0935 \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0915\u0930\u0924\u0940 \u0939\u0948, \u0924\u094b \u0907\u0928\u094d\u0939\u0947\u0902 \u0921\u0947\u091f\u093e\u0936\u0940\u091f \u092e\u0947\u0902 \u0932\u093f\u0916\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_DPE_is_the_better_fit\"><\/span><strong>\u091c\u092c \u0921\u0940\u092a\u0940\u0908 \u092c\u0947\u0939\u0924\u0930 \u0935\u093f\u0915\u0932\u094d\u092a \u0939\u094b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0926\u094d\u0935\u093f\u0926\u093f\u0936\u093e\u0924\u094d\u092e\u0915 \u0938\u0940\u0932\u093f\u0902\u0917 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0928\u0947 \u092a\u0930 DPE \u0938\u0940\u091f \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0915\u093e \u091a\u092f\u0928 \u0915\u0930\u0947\u0902 \u0915\u094d\u092f\u094b\u0902\u0915\u093f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u092a\u094d\u0930\u0935\u093e\u0939 \u092e\u0947\u0902 \u0909\u0932\u091f\u092b\u0947\u0930 \u0939\u094b\u0924\u093e \u0939\u0948<\/li>\n\n\n\n<li>\u0926\u092c\u093e\u0935 \u0915\u0940 \u0926\u093f\u0936\u093e \u091a\u093e\u0939\u0947 \u091c\u094b \u092d\u0940 \u0939\u094b, \u0905\u0932\u0917\u093e\u0935 \u092c\u0928\u093e \u0930\u0939\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964<\/li>\n\n\n\n<li>\u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u0911\u092a\u0930\u0947\u0936\u0928 \u0905\u0915\u094d\u0938\u0930 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0916\u0930\u0940\u0926 \u0938\u0902\u092c\u0902\u0927\u0940 \u092d\u093e\u0937\u093e \u092e\u0947\u0902, \u092f\u0939 \u0905\u0915\u094d\u0938\u0930 \u0921\u092c\u0932 \u092c\u094d\u0932\u0949\u0915 \u0914\u0930 \u092c\u094d\u0932\u0940\u0921 \u092c\u0949\u0932 \u0935\u093e\u0932\u094d\u0935 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u092c\u0928 \u091c\u093e\u0924\u0940 \u0939\u0948, \u0938\u093e\u0925 \u0939\u0940 \u090f\u0938\u092a\u0940\u0908 \u092f\u093e \u0921\u0940\u092a\u0940\u0908 \u0914\u0930 \u0915\u0948\u0935\u093f\u091f\u0940 \u092a\u094d\u0930\u0947\u0936\u0930 \u0930\u0923\u0928\u0940\u0924\u093f \u0915\u094b \u092c\u0924\u093e\u0928\u0947 \u0935\u093e\u0932\u093e \u090f\u0915 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u0916\u0902\u0921 \u092d\u0940 \u0936\u093e\u092e\u093f\u0932 \u0939\u094b\u0924\u093e \u0939\u0948\u0964.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>\u0939\u0940\u0930\u094b \u0909\u0924\u094d\u092a\u093e\u0926 \u0939\u093e\u0907\u0932\u093e\u0907\u091f<\/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\/hi\/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=\"\u0921\u092c\u0932 \u092c\u094d\u0932\u0949\u0915 \u0914\u0930 \u092c\u094d\u0932\u0940\u0921 \u0935\u093e\u0932\u094d\u0935\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u2194\ufe0f \u0921\u092c\u0932 \u092c\u094d\u0932\u0949\u0915 \u0914\u0930 \u092c\u094d\u0932\u0940\u0921 \u0935\u093e\u0932\u094d\u0935<\/div>\n    <div class=\"hero-description\">\u090f\u0915 \u0939\u0940 \u0915\u0949\u092e\u094d\u092a\u0948\u0915\u094d\u091f \u0935\u093e\u0932\u094d\u0935 \u0905\u0938\u0947\u0902\u092c\u0932\u0940 \u0915\u0947 \u092d\u0940\u0924\u0930 \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f \u0905\u0932\u0917\u093e\u0935 \u0914\u0930 \u0926\u092c\u093e\u0935 \u0938\u0947 \u0930\u093e\u0939\u0924 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u092f\u093e \u0917\u092f\u093e\u0964.<\/div>\n    <span class=\"hero-link\">\u0909\u0924\u094d\u092a\u093e\u0926 \u0915\u093e \u0905\u0928\u094d\u0935\u0947\u0937\u0923 \u0915\u0930\u0947\u0902<\/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>\u0905\u0928\u0941\u092e\u094b\u0926\u0928 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u092a\u0941\u0928:\u0915\u093e\u0930\u094d\u092f \u0915\u094b \u0930\u094b\u0915\u0928\u0947 \u0935\u093e\u0932\u0947 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u092a\u094d\u0930\u0936\u094d\u0928<\/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>\u0915\u094b\u091f\u0947\u0936\u0928 \u0926\u0947\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947 \u092f\u0947 \u0938\u0935\u093e\u0932 \u092a\u0942\u091b\u0947\u0902<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c\u0916\u0930\u0940\u0926 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u0905\u0928\u0941\u092e\u094b\u0926\u093f\u0924, \u0938\u092e\u0940\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0938\u0902\u0936\u094b\u0927\u093f\u0924\u201d \u0938\u0947 \u092c\u091a\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u092a\u0930\u093f\u092d\u093e\u0937\u093e \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930, \u0915\u094d\u092f\u093e \u0935\u093e\u0932\u094d\u0935 DBB \u0939\u0948 \u092f\u093e DIB, \u0914\u0930 \u0907\u0938 \u092a\u0930 \u0915\u094c\u0928 \u0938\u093e \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0932\u093e\u0917\u0942 \u0939\u094b\u0924\u093e \u0939\u0948?<\/li>\n\n\n\n<li>\u0938\u0940\u091f \u092a\u094d\u0930\u092d\u093e\u0935: \u090f\u0938\u092a\u0940\u0908 \u092f\u093e \u0921\u0940\u092a\u0940\u0908 (\u0938\u094d\u092a\u0937\u094d\u091f \u0930\u0942\u092a \u0938\u0947 \u092c\u0924\u093e\u090f\u0902)<\/li>\n\n\n\n<li>\u0917\u0941\u0939\u093e \u0930\u093e\u0939\u0924 \u0926\u0943\u0937\u094d\u091f\u093f\u0915\u094b\u0923 (\u0938\u094d\u0935\u092f\u0902 \u0930\u093e\u0939\u0924 \u092c\u0928\u093e\u092e \u092c\u093e\u0939\u0930\u0940 \u0930\u093e\u0939\u0924 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e)<\/li>\n\n\n\n<li>\u092c\u094d\u0932\u0940\u0921 \u092a\u094b\u0930\u094d\u091f \u0915\u093e \u0906\u0915\u093e\u0930, \u0905\u092d\u093f\u0935\u093f\u0928\u094d\u092f\u093e\u0938 \u0914\u0930 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0935\u0947\u0902\u091f\/\u0921\u094d\u0930\u0947\u0928 \u092e\u093e\u0930\u094d\u0917<\/li>\n\n\n\n<li>\u0906\u0935\u0936\u094d\u092f\u0915 \u0928\u093f\u0930\u0940\u0915\u094d\u0937\u0923 \u0914\u0930 \u0938\u094d\u0935\u0940\u0915\u0943\u0924\u093f \u0926\u0938\u094d\u0924\u093e\u0935\u0947\u091c\u093c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u092f\u0926\u093f \u0906\u092a\u0915\u093e \u0921\u0940\u092c\u0940\u092c\u0940 \u092b\u093c\u0902\u0915\u094d\u0936\u0928 \u091f\u094d\u0930\u0928\u093f\u092f\u0928 \u092a\u094d\u0932\u0947\u091f\u092b\u093c\u0949\u0930\u094d\u092e \u092a\u0930 \u0939\u0948, \u0924\u094b \u092f\u0939 \u090f\u0915 \u0909\u092a\u092f\u094b\u0917\u0940 \u092a\u094d\u0930\u093e\u0930\u0902\u092d\u093f\u0915 \u091c\u093e\u0928\u0915\u093e\u0930\u0940 \u0939\u0948: <a href=\"https:\/\/www.xintaivalves.com\/hi\/blog\/what-is-a-trunnion-ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u091f\u094d\u0930\u0942\u0928\u093f\u092f\u0928 \u092c\u0949\u0932 \u0935\u093e\u0932\u094d\u0935 \u0915\u094d\u092f\u093e \u0939\u0948?<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><strong>\u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPE \u0914\u0930 DPE \u0938\u0940\u091f \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0915\u093e \u0935\u0930\u094d\u0923\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0914\u0930 \u0938\u0940\u091f \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u092f\u0939 \u0928\u093f\u0930\u094d\u0927\u093e\u0930\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 \u0915\u093f \u0906\u0907\u0938\u094b\u0932\u0947\u0936\u0928 \u0915\u094b \u0915\u0948\u0938\u0947 \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0914\u0930 \u0915\u0948\u0935\u093f\u091f\u0940 \u092a\u094d\u0930\u0947\u0936\u0930 \u0915\u094b \u0915\u0948\u0938\u0947 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 SPE \u0935\u093f\u0915\u0932\u094d\u092a \u0905\u0915\u094d\u0938\u0930 \u0928\u093f\u092f\u092e\u093f\u0924 \u0915\u0948\u0935\u093f\u091f\u0940 \u092c\u094d\u0932\u0940\u0921 \u0938\u0924\u094d\u092f\u093e\u092a\u0928 \u0915\u0947 \u0938\u093e\u0925 \u0905\u091a\u094d\u091b\u0940 \u0924\u0930\u0939 \u0938\u0947 \u092e\u0947\u0932 \u0916\u093e\u0924\u0947 \u0939\u0948\u0902\u0964 DPE \u0935\u093f\u0915\u0932\u094d\u092a \u0926\u094d\u0935\u093f\u0926\u093f\u0936\u093e\u0924\u094d\u092e\u0915 \u0938\u0940\u0932\u093f\u0902\u0917 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0932\u0947\u0915\u093f\u0928 \u0907\u0938\u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u0938\u094d\u092a\u0937\u094d\u091f \u0915\u0948\u0935\u093f\u091f\u0940 \u0930\u093f\u0932\u0940\u092b \u092a\u094d\u0932\u093e\u0928 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948\u0964.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0921\u092c\u0932 \u092c\u094d\u0932\u0949\u0915 \u0914\u0930 \u092c\u094d\u0932\u0940\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u093e \u091a\u092f\u0928 \u0915\u0930\u0924\u0947 \u0938\u092e\u092f, \u0938\u0940\u091f \u092a\u094d\u0930\u092d\u093e\u0935 \u0914\u0930 \u0915\u0948\u0935\u093f\u091f\u0940 \u092a\u094d\u0930\u0947\u0936\u0930 \u0935\u093f\u0927\u093f \u0915\u094b \u0921\u0947\u091f\u093e\u0936\u0940\u091f \u092e\u0947\u0902 \u0932\u093f\u0916\u0947\u0902\u0964 \u0907\u0938\u0938\u0947 \u0905\u0928\u0941\u092e\u094b\u0926\u0928 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0906\u0938\u093e\u0928 \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948 \u0914\u0930 \u091a\u093e\u0932\u0942 \u0915\u0930\u0928\u0947 \u0914\u0930 \u0930\u0916\u0930\u0916\u093e\u0935 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u092c\u093e\u0930-\u092c\u093e\u0930 \u0939\u094b\u0928\u0947 \u0935\u093e\u0932\u0940 \u092c\u093e\u0924\u091a\u0940\u0924 \u0915\u092e \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948\u0964.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Key_Takeaways\"><\/span><strong>3 \u092e\u0941\u0916\u094d\u092f \u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u090f\u0938\u092a\u0940\u0908 \u092c\u0928\u093e\u092e \u0921\u0940\u092a\u0940\u0908 \u092f\u0939 \u092c\u0924\u093e\u0924\u093e \u0939\u0948 \u0915\u093f \u0938\u0940\u091f\u0947\u0902 \u0915\u093f\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 \u0926\u092c\u093e\u0935-\u0938\u0939\u093e\u092f\u0924\u093e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948\u0902, \u091c\u094b \u0905\u0932\u0917\u093e\u0935 \u0914\u0930 \u0917\u0941\u0939\u093e \u0926\u092c\u093e\u0935 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0915\u094b \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964.<\/li>\n\n\n\n<li>\u0921\u0940\u092a\u0940\u0908 \u0926\u094d\u0935\u093f\u0926\u093f\u0936\u093e\u0924\u094d\u092e\u0915 \u0905\u0932\u0917\u093e\u0935 \u0915\u093e \u0938\u092e\u0930\u094d\u0925\u0928 \u0915\u0930\u0924\u093e \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u0915\u0948\u0935\u093f\u091f\u0940 \u092a\u094d\u0930\u0947\u0936\u0930 \u0930\u093f\u0932\u0940\u092b \u0915\u094b \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964.<\/li>\n\n\n\n<li>\u0938\u0940\u091f \u0907\u092b\u0947\u0915\u094d\u091f, \u0930\u093f\u0932\u0940\u092b \u0905\u092a\u094d\u0930\u094b\u091a \u0914\u0930 \u0935\u0947\u0930\u093f\u092b\u093f\u0915\u0947\u0936\u0928 \u092e\u0947\u0925\u0921 \u0915\u094b \u0938\u094d\u092a\u0947\u0938\u093f\u092b\u093f\u0915\u0947\u0936\u0928 \u092e\u0947\u0902 \u0936\u093e\u092e\u093f\u0932 \u0915\u0930\u0947\u0902 \u0924\u093e\u0915\u093f \u0930\u093f\u0935\u0930\u094d\u0915 \u0938\u0947 \u092c\u091a\u093e \u091c\u093e \u0938\u0915\u0947\u0964.<\/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\/hi\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0909\u0926\u094d\u0927\u0930\u0923 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0947\u0902<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong>\u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0936\u094d\u0928<\/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>\u0935\u093e\u0932\u094d\u0935 \u0921\u0947\u091f\u093e\u0936\u0940\u091f \u092a\u0930 DBB \u0915\u093e \u0915\u094d\u092f\u093e \u0905\u0930\u094d\u0925 \u0939\u0948?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0907\u0938\u0915\u093e \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0905\u0930\u094d\u0925 \u0939\u0948 \u0926\u094b \u0906\u0907\u0938\u094b\u0932\u0947\u0936\u0928 \u092c\u0948\u0930\u093f\u092f\u0930 \u091c\u093f\u0928\u092e\u0947\u0902 \u090f\u0915 \u092c\u094d\u0932\u0940\u0921 \u092a\u0949\u0907\u0902\u091f \u0939\u094b\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0926\u092c\u093e\u0935 \u0915\u092e \u0915\u0930\u0928\u0947 \u0914\u0930 \u0938\u0940\u091f\u094b\u0902 \u0915\u0947 \u092c\u0940\u091a \u0930\u093f\u0938\u093e\u0935 \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Is_SPE_the_same_as_DBB\"><\/span><strong>\u0915\u094d\u092f\u093e \u090f\u0938\u092a\u0940\u0908 \u0914\u0930 \u0921\u0940\u092c\u0940\u092c\u0940 \u090f\u0915 \u0939\u0940 \u091a\u0940\u091c\u093c \u0939\u0948\u0902?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0928\u0939\u0940\u0902\u0964 \u090f\u0938\u092a\u0940\u0908 \u0938\u0940\u091f \u0915\u0947 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0915\u093e \u0935\u0930\u094d\u0923\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0906\u092a\u0915\u094b \u092b\u093f\u0930 \u092d\u0940 \u092f\u0939 \u0938\u094d\u092a\u0937\u094d\u091f \u0915\u0930\u0928\u093e \u0939\u094b\u0917\u093e \u0915\u093f \u0938\u0940\u091f\u0947\u0902 \u090f\u0938\u092a\u0940\u0908 \u0939\u0948\u0902 \u092f\u093e \u0921\u0940\u092a\u0940\u0908, \u0914\u0930 \u0915\u0948\u0935\u093f\u091f\u0940 \u092a\u094d\u0930\u0947\u0936\u0930 \u0915\u094b \u0915\u0948\u0938\u0947 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964.<\/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>\u0921\u0940\u092a\u0940\u0908 \u0915\u094b \u092c\u093e\u0939\u0930\u0940 \u0917\u0941\u0939\u093e \u0930\u093e\u0939\u0924 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0915\u094d\u092f\u094b\u0902 \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0921\u0940\u092a\u0940\u0908 \u0938\u0940\u091f\u0947\u0902 \u0926\u094b\u0928\u094b\u0902 \u0926\u093f\u0936\u093e\u0913\u0902 \u0938\u0947 \u0938\u0940\u0932 \u0915\u0930 \u0938\u0915\u0924\u0940 \u0939\u0948\u0902, \u0907\u0938\u0932\u093f\u090f \u091c\u092c \u0924\u0915 \u0930\u093e\u0939\u0924 \u092e\u093e\u0930\u094d\u0917 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0928 \u0915\u093f\u092f\u093e \u091c\u093e\u090f, \u0917\u0941\u0939\u093e \u0915\u093e \u0926\u092c\u093e\u0935 \u0915\u092e \u0928\u0939\u0940\u0902 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948\u0964.<\/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>\u0915\u094d\u092f\u093e \u0921\u0940\u092c\u0940\u092c\u0940 \u0921\u093f\u091c\u093e\u0907\u0928 \u0930\u093f\u0938\u093e\u0935 \u0915\u093e \u092a\u0924\u093e \u0932\u0917\u093e\u0928\u0947 \u092e\u0947\u0902 \u092e\u0926\u0926 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u091c\u0940 \u0939\u093e\u0902\u0964 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0935\u093f\u0927\u093f \u0914\u0930 \u0921\u093f\u091c\u093e\u0907\u0928 \u0915\u0947 \u0906\u0927\u093e\u0930 \u092a\u0930, \u092c\u094d\u0932\u0940\u0921 \u0915\u0948\u0935\u093f\u091f\u0940 \u092e\u0947\u0902 \u0926\u092c\u093e\u0935 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u0940 \u0928\u093f\u0917\u0930\u093e\u0928\u0940 \u0915\u0940 \u091c\u093e \u0938\u0915\u0924\u0940 \u0939\u0948 \u091c\u094b \u0938\u0940\u091f \u0932\u0940\u0915\u0947\u091c \u0915\u093e \u0938\u0902\u0915\u0947\u0924 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964.<\/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>\u092e\u0941\u091d\u0947 \u0921\u0940\u092c\u0940\u092c\u0940 \u0916\u0930\u0940\u0926 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936 \u092e\u0947\u0902 \u0915\u094d\u092f\u093e \u0936\u093e\u092e\u093f\u0932 \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0938\u0940\u091f \u092a\u094d\u0930\u092d\u093e\u0935 (\u090f\u0938\u092a\u0940\u0908\/\u0921\u0940\u092a\u0940\u0908), \u0915\u0948\u0935\u093f\u091f\u0940 \u0930\u093f\u0932\u0940\u092b \u0905\u092a\u094d\u0930\u094b\u091a, \u092c\u094d\u0932\u0940\u0921 \u092a\u094b\u0930\u094d\u091f \u0935\u093f\u0935\u0930\u0923, \u0938\u093e\u092e\u0917\u094d\u0930\u0940, \u0926\u092c\u093e\u0935 \u0935\u0930\u094d\u0917 \u0914\u0930 \u0906\u0935\u0936\u094d\u092f\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u0923\/\u0928\u093f\u0930\u0940\u0915\u094d\u0937\u0923 \u0926\u0938\u094d\u0924\u093e\u0935\u0947\u091c\u0964.<\/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\/hi\/wp-json\/wp\/v2\/posts\/14672","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/hi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/hi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/hi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/hi\/wp-json\/wp\/v2\/comments?post=14672"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/hi\/wp-json\/wp\/v2\/posts\/14672\/revisions"}],"predecessor-version":[{"id":14727,"href":"https:\/\/www.xintaivalves.com\/hi\/wp-json\/wp\/v2\/posts\/14672\/revisions\/14727"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/hi\/wp-json\/wp\/v2\/media\/14673"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/hi\/wp-json\/wp\/v2\/media?parent=14672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/hi\/wp-json\/wp\/v2\/categories?post=14672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/hi\/wp-json\/wp\/v2\/tags?post=14672"}],"curies":[{"name":"\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u092a\u0940","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}