{"id":14682,"date":"2026-01-21T09:00:00","date_gmt":"2026-01-21T01:00:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=14682"},"modified":"2026-02-04T09:35:43","modified_gmt":"2026-02-04T01:35:43","slug":"fugitive-emissions-iso-15848-testing","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/","title":{"rendered":"\u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u0641\u0631\u0627\u0631 \u06f1\u06f0\u06f1: \u0622\u0632\u0645\u0627\u06cc\u0634 ISO 15848-1 \u0648 \u0637\u0631\u0627\u062d\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0633\u0627\u0642\u0647"},"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\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/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=\"Change Table of Contents Status\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u062a\u063a\u06cc\u06cc\u0631 \u0648\u0636\u0639\u06cc\u062a<\/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\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#What_do_%E2%80%9Cfugitive_emissions%E2%80%9D_mean_in_valve_procurement\" >\u0645\u0646\u0638\u0648\u0631 \u0627\u0632 \u201c\u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u0641\u0631\u0627\u0631\u201d \u062f\u0631 \u062a\u0647\u06cc\u0647 \u0634\u06cc\u0631\u0622\u0644\u0627\u062a \u0686\u06cc\u0633\u062a\u061f<\/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\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#The_leak_path_ISO_testing_is_focused_on\" >\u0622\u0632\u0645\u0627\u06cc\u0634 ISO \u0645\u0633\u06cc\u0631 \u0646\u0634\u062a\u06cc \u0628\u0631 \u0631\u0648\u06cc \u0622\u0646 \u0645\u062a\u0645\u0631\u06a9\u0632 \u0627\u0633\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#Why_material_and_surface_conditions_still_matter\" >\u0686\u0631\u0627 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0648\u0627\u062f \u0648 \u0633\u0637\u062d \u0647\u0646\u0648\u0632 \u0645\u0647\u0645 \u0627\u0633\u062a\u061f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#ISO_15848-1_what_the_test_is_trying_to_simulate\" >ISO 15848-1: \u0622\u0646\u0686\u0647 \u0622\u0632\u0645\u0648\u0646 \u0633\u0639\u06cc \u062f\u0631 \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u0622\u0646 \u062f\u0627\u0631\u062f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#Test_concept_in_plain_terms\" >\u0645\u0641\u0647\u0648\u0645 \u0622\u0632\u0645\u0648\u0646 (\u0628\u0647 \u0632\u0628\u0627\u0646 \u0633\u0627\u062f\u0647)<\/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\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#Thermal_cycling_where_packing_systems_fail_first\" >\u0686\u0631\u062e\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc: \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0627\u0628\u062a\u062f\u0627 \u062e\u0631\u0627\u0628 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f<\/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\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#The_stem_packing_stack_V-packing_disc_springs_explained\" >\u067e\u0634\u062a\u0647 \u067e\u06a9\u06cc\u0646\u06af \u0633\u0627\u0642\u0647: \u062a\u0648\u0636\u06cc\u062d \u067e\u06a9\u06cc\u0646\u06af V \u0634\u06a9\u0644 + \u0641\u0646\u0631\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9\u06cc<\/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\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#V-packing_Chevron_rings_why_theyre_used\" >\u0631\u06cc\u0646\u06af\u200c\u0647\u0627\u06cc V \u0634\u06a9\u0644 (\u0634\u0648\u0631\u0648\u0646): \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627<\/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\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#Disc_springs_the_%E2%80%9Cload_stabilizer%E2%80%9D\" >\u0641\u0646\u0631\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9\u06cc: \u201c\u062a\u062b\u0628\u06cc\u062a\u200c\u06a9\u0646\u0646\u062f\u0647 \u0628\u0627\u0631\u201d<\/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\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#Compliance-minded_selection_notes_what_to_write_into_the_PO\" >\u06cc\u0627\u062f\u062f\u0627\u0634\u062a\u200c\u0647\u0627\u06cc \u06af\u0632\u06cc\u0646\u0634 \u0628\u0627 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u0627\u0646\u0637\u0628\u0627\u0642 (\u0686\u0647 \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u062f\u0631 \u0641\u0631\u0645 \u0633\u0641\u0627\u0631\u0634 \u062e\u0631\u06cc\u062f \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#Where_this_matters_most_common_service_examples\" >\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0627\u0647\u0645\u06cc\u062a \u0631\u0627 \u062f\u0627\u0631\u062f: \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u062e\u062f\u0645\u0627\u062a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#High_thermal_swing_or_repeated_cycling\" >\u0646\u0648\u0633\u0627\u0646 \u062d\u0631\u0627\u0631\u062a\u06cc \u0628\u0627\u0644\u0627 \u06cc\u0627 \u0686\u0631\u062e\u0647\u200c\u0647\u0627\u06cc \u062d\u0631\u0627\u0631\u062a\u06cc \u0645\u06a9\u0631\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#Isolation_procedures_with_high_consequences\" >\u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0628\u0627 \u0639\u0648\u0627\u0642\u0628 \u0628\u0627\u0644\u0627<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#Conclusion\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#3_Key_Takeaways\" >\u06f3 \u0646\u06a9\u062a\u0647 \u06a9\u0644\u06cc\u062f\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#FAQs_People_Also_Ask_style\" >\u0633\u0648\u0627\u0644\u0627\u062a \u0645\u062a\u062f\u0627\u0648\u0644 (\u0645\u0631\u062f\u0645 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u0632 \u0633\u0628\u06a9 \u0645\u06cc\u200c\u067e\u0631\u0633\u0646\u062f)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#What_is_ISO_15848-1_used_for\" >\u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f ISO 15848-1 \u0628\u0631\u0627\u06cc \u0686\u0647 \u0645\u0648\u0627\u0631\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u061f<\/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\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#Does_fugitive_emissions_testing_measure_seat_leakage\" >\u0622\u06cc\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u06af\u0644\u062e\u0627\u0646\u0647\u200c\u0627\u06cc \u0641\u0631\u0627\u0631\u06cc\u060c \u0646\u0634\u062a\u06cc \u0635\u0646\u062f\u0644\u06cc \u0631\u0627 \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u06af\u06cc\u0631\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#Why_is_thermal_cycling_important_in_emissions_performance\" >\u0686\u0631\u0627 \u0686\u0631\u062e\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc \u062f\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u06af\u0644\u062e\u0627\u0646\u0647\u200c\u0627\u06cc \u0645\u0647\u0645 \u0627\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#What_is_live_loading_in_valve_packing\" >\u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0632\u0646\u062f\u0647 \u062f\u0631 \u067e\u06a9\u06cc\u0646\u06af \u0648\u0644\u0648 \u0686\u06cc\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/fugitive-emissions-iso-15848-testing\/#How_can_I_reduce_the_need_for_packing_retightening\" >\u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0645 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0633\u0641\u062a \u06a9\u0631\u062f\u0646 \u0645\u062c\u062f\u062f \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u0645\u061f<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0627\u0647\u062f\u0627\u0641 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u0641\u0631\u0627\u0631 \u0628\u0647 \u0645\u0634\u062e\u0635\u0627\u062a \u0641\u0646\u06cc \u0622\u0633\u0627\u0646 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u062d\u0641\u0638 \u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u0622\u0646\u0647\u0627 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0648\u0627\u0642\u0639\u06cc \u0628\u0633\u06cc\u0627\u0631 \u062f\u0634\u0648\u0627\u0631\u062a\u0631 \u0627\u0633\u062a. \u0628\u06cc\u0634\u062a\u0631 \u0646\u0634\u062a\u06cc\u200c\u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0633\u0648\u067e\u0627\u067e ... <strong>\u0646\u0647<\/strong> \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0635\u0646\u062f\u0644\u06cc. \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0627\u0632 \u0637\u0631\u06cc\u0642 <strong>\u0633\u06cc\u0633\u062a\u0645 \u0622\u0628 \u0628\u0646\u062f\u06cc \u0633\u0627\u0642\u0647<\/strong> \u067e\u0633 \u0627\u0632 \u0686\u0631\u062e\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc\u060c \u0627\u0631\u062a\u0639\u0627\u0634 \u0648 \u0639\u0645\u0644\u06cc\u0627\u062a \u0645\u06a9\u0631\u0631. \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f ISO 15848-1 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0627\u06cc\u0646 \u0631\u06cc\u0633\u06a9 \u0628\u0647 \u06cc\u06a9 \u0631\u0648\u0634 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0642\u0627\u0628\u0644 \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u06af\u06cc\u0631\u06cc \u0648 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627 \u062a\u0648\u0636\u06cc\u062d \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f ISO 15848-1 \u0686\u0647 \u0645\u0648\u0627\u0631\u062f\u06cc \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0686\u0631\u062e\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc \u0686\u06af\u0648\u0646\u0647 \u0628\u0631 \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0633\u0627\u0642\u0647 \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u062f \u0648 \u06a9\u062f\u0627\u0645 \u062c\u0632\u0626\u06cc\u0627\u062a \u0637\u0631\u0627\u062d\u06cc \u067e\u06a9\u06cc\u0646\u06af \u0647\u0646\u06af\u0627\u0645 \u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0627\u0646\u0637\u0628\u0627\u0642 \u0637\u0648\u0644\u0627\u0646\u06cc \u0645\u062f\u062a \u0627\u0647\u0645\u06cc\u062a \u062f\u0627\u0631\u0646\u062f. \u0627\u06af\u0631 \u0647\u0646\u0648\u0632 \u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u06cc\u0631 \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u0628\u0627 \u06a9\u0644\u0627\u0633 \u062e\u0637 \u062e\u0648\u062f \u0647\u0645\u0627\u0647\u0646\u06af \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f\u060c \u0627\u0632 Xintai \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u062f.<a href=\"https:\/\/www.xintaivalves.com\/fa\/product\/ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"> \u0635\u0641\u062d\u0647 \u0628\u0631\u0631\u0633\u06cc \u0627\u062c\u0645\u0627\u0644\u06cc \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0634\u06cc\u0631 \u062a\u0648\u067e\u06cc<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_do_%E2%80%9Cfugitive_emissions%E2%80%9D_mean_in_valve_procurement\"><\/span><strong>\u0645\u0646\u0638\u0648\u0631 \u0627\u0632 \u201c\u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u0641\u0631\u0627\u0631\u201d \u062f\u0631 \u062a\u0647\u06cc\u0647 \u0634\u06cc\u0631\u0622\u0644\u0627\u062a \u0686\u06cc\u0633\u062a\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_leak_path_ISO_testing_is_focused_on\"><\/span><strong>\u0622\u0632\u0645\u0627\u06cc\u0634 ISO \u0645\u0633\u06cc\u0631 \u0646\u0634\u062a\u06cc \u0628\u0631 \u0631\u0648\u06cc \u0622\u0646 \u0645\u062a\u0645\u0631\u06a9\u0632 \u0627\u0633\u062a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0631\u0627\u06cc \u0627\u06a9\u062b\u0631 \u0634\u06cc\u0631\u0647\u0627\u06cc \u0631\u0628\u0639 \u06af\u0631\u062f\u060c \u0645\u062d\u062a\u0645\u0644\u200c\u062a\u0631\u06cc\u0646 \u0645\u0633\u06cc\u0631 \u0646\u0634\u062a\u06cc \u0639\u0628\u0627\u0631\u062a \u0627\u0633\u062a \u0627\u0632:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0633\u0637\u062d \u0633\u0627\u0642\u0647 \u2192 \u062d\u0644\u0642\u0647\u200c\u0647\u0627\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u2192 \u062f\u0646\u0628\u0627\u0644\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u06cc \u063a\u062f\u0647 \u2192 \u0627\u062a\u0645\u0633\u0641\u0631<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0646\u0634\u062a\u06cc \u0635\u0646\u062f\u0644\u06cc \u0628\u062d\u062b \u062f\u06cc\u06af\u0631\u06cc \u0627\u0633\u062a. \u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u0622\u0644\u0627\u06cc\u0646\u062f\u0647 \u0641\u0631\u0627\u0631\u06cc \u062a\u0642\u0631\u06cc\u0628\u0627\u064b ... <strong>\u0646\u0634\u062a \u062e\u0627\u0631\u062c\u06cc \u0628\u0647 \u062c\u0648<\/strong>, \u060c \u0627\u063a\u0644\u0628 \u0627\u0632 \u0646\u0627\u062d\u06cc\u0647 \u0628\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u0633\u0627\u0642\u0647.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_material_and_surface_conditions_still_matter\"><\/span><strong>\u0686\u0631\u0627 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0648\u0627\u062f \u0648 \u0633\u0637\u062d \u0647\u0646\u0648\u0632 \u0645\u0647\u0645 \u0627\u0633\u062a\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u067e\u0631\u062f\u0627\u062e\u062a \u0633\u0627\u0642\u0647\u060c \u0645\u062a\u062d\u062f\u0627\u0644\u0645\u0631\u06a9\u0632 \u0628\u0648\u062f\u0646 \u0648 \u0645\u0642\u0627\u0648\u0645\u062a \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u062e\u0648\u0631\u062f\u06af\u06cc \u0628\u0631 \u0646\u062d\u0648\u0647 \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0648 \u0633\u0631\u0639\u062a \u0641\u0631\u0633\u0627\u06cc\u0634 \u0622\u0646 \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u0646\u062f. \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u062a\u06cc\u0645\u200c\u0647\u0627\u06cc \u062a\u062f\u0627\u0631\u06a9\u0627\u062a \u0627\u063a\u0644\u0628 \u06cc\u06a9 \u0645\u0648\u0631\u062f \u0631\u0627 \u062f\u0631 \u0644\u06cc\u0633\u062a \u06a9\u0648\u062a\u0627\u0647 \u062e\u0648\u062f \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f. <a href=\"https:\/\/www.xintaivalves.com\/fa\/custom-stainless-steel-ball-valves\/\">\u0627\u0633\u062a\u06cc\u0644 \u0636\u062f \u0632\u0646\u06af<\/a><a href=\"https:\/\/www.xintaivalves.com\/fa\/custom-stainless-steel-ball-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0633<\/a><a href=\"https:\/\/www.xintaivalves.com\/fa\/custom-stainless-steel-ball-valves\/\"> \u0634\u06cc\u0631 \u062a\u0648\u067e\u06cc \u0641\u0648\u0644\u0627\u062f\u06cc<\/a> \u0628\u0631\u0627\u06cc \u0633\u0631\u0648\u06cc\u0633 \u0628\u0627 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u06af\u0644\u062e\u0627\u0646\u0647\u200c\u0627\u06cc: \u0634\u0631\u0627\u06cc\u0637 \u062b\u0627\u0628\u062a \u0633\u0627\u0642\u0647 \u0628\u0647 \u062d\u0641\u0638 \u0628\u0627\u0631 \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u067e\u0627\u06cc\u062f\u0627\u0631 \u062f\u0631 \u0637\u0648\u0644 \u0632\u0645\u0627\u0646 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ISO_15848-1_what_the_test_is_trying_to_simulate\"><\/span><strong>ISO 15848-1: \u0622\u0646\u0686\u0647 \u0622\u0632\u0645\u0648\u0646 \u0633\u0639\u06cc \u062f\u0631 \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u0622\u0646 \u062f\u0627\u0631\u062f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Test_concept_in_plain_terms\"><\/span><strong>\u0645\u0641\u0647\u0648\u0645 \u0622\u0632\u0645\u0648\u0646 (\u0628\u0647 \u0632\u0628\u0627\u0646 \u0633\u0627\u062f\u0647)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f ISO 15848-1 \u0645\u06cc\u0632\u0627\u0646 \u0646\u0634\u062a\u06cc \u0627\u0632 \u0622\u0628\u200c\u0628\u0646\u062f \u0633\u0627\u0642\u0647 \u0631\u0627 \u062f\u0631 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0634\u06cc\u0631 \u062f\u0631 \u0645\u0639\u0631\u0636 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u062f\u060c \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0686\u0631\u062e\u0647 \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc (\u0639\u0645\u0644\u06cc\u0627\u062a \u0628\u0627\u0632\/\u0628\u0633\u062a\u0647 \u06a9\u0631\u062f\u0646)<\/li>\n\n\n\n<li>\u0686\u0631\u062e\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc (\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u062f\u0645\u0627)<\/li>\n\n\n\n<li>\u0645\u062d\u06cc\u0637 \u0622\u0632\u0645\u0627\u06cc\u0634 \u062a\u0639\u0631\u06cc\u0641\u200c\u0634\u062f\u0647 \u0648 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u06af\u06cc\u0631\u06cc<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0646\u06a9\u062a\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u062a\u0639\u062f\u0627\u062f \u0686\u0631\u062e\u0647\u200c\u0647\u0627 \u0628\u0647 \u062e\u0648\u062f\u06cc \u062e\u0648\u062f \u0646\u06cc\u0633\u062a. \u0628\u0644\u06a9\u0647 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0622\u06cc\u0627 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f <strong>\u062a\u0646\u0634 \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0631\u0627 \u067e\u0627\u06cc\u062f\u0627\u0631 \u0646\u06af\u0647 \u062f\u0627\u0631\u06cc\u062f<\/strong> \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0628\u0647 \u0637\u0648\u0631 \u0645\u06a9\u0631\u0631 \u0645\u0646\u0628\u0633\u0637 \u0648 \u0645\u0646\u0642\u0628\u0636 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thermal_cycling_where_packing_systems_fail_first\"><\/span><strong>\u0686\u0631\u062e\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc: \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0627\u0628\u062a\u062f\u0627 \u062e\u0631\u0627\u0628 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0639\u0644\u0644 \u0686\u0631\u062e\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0631\u0634\u062f\/\u06a9\u0648\u0686\u06a9 \u0634\u062f\u0646 \u0633\u0627\u0642\u0647<\/li>\n\n\n\n<li>\u0622\u0631\u0627\u0645\u0634 \u0628\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc<\/li>\n\n\n\n<li>\u062e\u0632\u0634 \u0648\u0627\u0634\u0631\/\u067e\u06a9\u06cc\u0646\u06af<\/li>\n\n\n\n<li>\u062a\u0648\u0632\u06cc\u0639 \u0645\u062c\u062f\u062f \u0628\u0627\u0631 \u067e\u06cc\u0686 \u062f\u0631 \u06af\u0644\u0646\u062f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u06af\u0631 \u0637\u0631\u0627\u062d\u06cc \u0641\u0642\u0637 \u0628\u0647 \u06af\u0634\u062a\u0627\u0648\u0631 \u0633\u0641\u062a \u06a9\u0631\u062f\u0646 \u06cc\u06a9\u0628\u0627\u0631\u0647 \u0645\u062a\u06a9\u06cc \u0628\u0627\u0634\u062f\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631 \u0628\u0631\u0631\u0633\u06cc\u200c\u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0642\u0628\u0648\u0644 \u0634\u0648\u062f \u0627\u0645\u0627 \u067e\u0633 \u0627\u0632 \u0686\u0631\u062e\u0647\u200c\u0647\u0627\u06cc \u062d\u0631\u0627\u0631\u062a\u06cc \u062f\u0686\u0627\u0631 \u0631\u0627\u0646\u0634 \u0634\u0648\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_stem_packing_stack_V-packing_disc_springs_explained\"><\/span><strong>\u067e\u0634\u062a\u0647 \u067e\u06a9\u06cc\u0646\u06af \u0633\u0627\u0642\u0647: \u062a\u0648\u0636\u06cc\u062d \u067e\u06a9\u06cc\u0646\u06af V \u0634\u06a9\u0644 + \u0641\u0646\u0631\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9\u06cc<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"V-packing_Chevron_rings_why_theyre_used\"><\/span><strong>\u0631\u06cc\u0646\u06af\u200c\u0647\u0627\u06cc V \u0634\u06a9\u0644 (\u0634\u0648\u0631\u0648\u0646): \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062d\u0644\u0642\u0647\u200c\u0647\u0627\u06cc \u067e\u06a9\u06cc\u0646\u06af V \u0634\u06a9\u0644 \u0628\u0627 \u062a\u0628\u062f\u06cc\u0644 \u0628\u0627\u0631 \u0645\u062d\u0648\u0631\u06cc \u06af\u0644\u0646\u062f \u0628\u0647 \u062a\u0646\u0634 \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0634\u0639\u0627\u0639\u06cc \u0631\u0648\u06cc \u0633\u0627\u0642\u0647\u060c \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u062f\u0631 \u0639\u0645\u0644\u060c \u0622\u0646\u0647\u0627 \u062d\u0631\u06a9\u0627\u062a \u06a9\u0648\u0686\u06a9 \u0633\u0627\u0642\u0647 \u0631\u0627 \u062a\u062d\u0645\u0644 \u06a9\u0631\u062f\u0647 \u0648 \u0641\u0634\u0627\u0631 \u062a\u0645\u0627\u0633\u06cc \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. <strong>\u0627\u06af\u0631 \u0628\u0627\u0631 \u062b\u0627\u0628\u062a \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0647 \u0634\u0648\u062f<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0686\u0647 \u0645\u0648\u0627\u0631\u062f\u06cc \u0631\u0627 \u0628\u0627\u06cc\u062f \u062f\u0631 \u0628\u0631\u06af\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u06cc\u0627 \u0646\u0642\u0634\u0647 \u062c\u0633\u062a\u062c\u0648 \u06a9\u0631\u062f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062c\u0646\u0633 \u062d\u0644\u0642\u0647 \u0648 \u062f\u0645\u0627\u06cc \u0645\u062c\u0627\u0632<\/li>\n\n\n\n<li>\u062a\u0639\u062f\u0627\u062f \u062d\u0644\u0642\u0647\u200c\u0647\u0627 \u0648 \u062c\u0647\u062a\u200c\u06af\u06cc\u0631\u06cc<\/li>\n\n\n\n<li>\u062d\u0644\u0642\u0647\u200c\u0647\u0627\u06cc \u0636\u062f \u0627\u06a9\u0633\u062a\u0631\u0648\u0698\u0646\/\u0622\u062f\u0627\u067e\u062a\u0648\u0631 \u062f\u0631 \u0635\u0648\u0631\u062a \u0644\u0632\u0648\u0645<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disc_springs_the_%E2%80%9Cload_stabilizer%E2%80%9D\"><\/span><strong>\u0641\u0646\u0631\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9\u06cc: \u201c\u062a\u062b\u0628\u06cc\u062a\u200c\u06a9\u0646\u0646\u062f\u0647 \u0628\u0627\u0631\u201d<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u0646\u0631\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9\u06cc (\u0648\u0627\u0634\u0631\u0647\u0627\u06cc Belleville) \u0628\u0647 \u062d\u0641\u0638 \u0628\u0627\u0631 \u06af\u0644\u0646\u062f \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0634\u0644 \u0634\u062f\u0646 \u067e\u06a9\u06cc\u0646\u06af \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0636\u0631\u0628\u0647 \u06af\u06cc\u0631 \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u062d\u062a\u06cc \u067e\u0633 \u0627\u0632 &quot;\u0646\u0634\u0633\u062a\u0646&quot; \u067e\u06a9\u06cc\u0646\u06af\u060c \u0641\u0634\u0627\u0631 \u0631\u0627 \u0631\u0648\u06cc \u0622\u0646 \u062d\u0641\u0638 \u0645\u06cc\u200c\u06a9\u0646\u062f.\u201c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0632\u0627\u06cc\u0627\u06cc \u0639\u0648\u0627\u0631\u0636 \u06a9\u0646\u062a\u0631\u0644\u200c\u0634\u062f\u0647\u200c\u06cc \u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u06af\u0644\u062e\u0627\u0646\u0647\u200c\u0627\u06cc:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062c\u0628\u0631\u0627\u0646 \u0645\u062c\u0645\u0648\u0639\u0647 \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u0628\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc<\/li>\n\n\n\n<li>\u062a\u0639\u062f\u0627\u062f \u062f\u0641\u0639\u0627\u062a \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0633\u0641\u062a \u06a9\u0631\u062f\u0646 \u0645\u062c\u062f\u062f \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f<\/li>\n\n\n\n<li>\u0628\u0647 \u0634\u06cc\u0631 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u062f \u062a\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0686\u0631\u062e\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc \u062f\u0631 \u0645\u062d\u062f\u0648\u062f\u0647 \u0646\u0634\u062a\u06cc \u0628\u0627\u0642\u06cc \u0628\u0645\u0627\u0646\u062f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0631\u0631\u0633\u06cc \u0633\u0631\u06cc\u0639 \u062f\u0631 \u0637\u0648\u0644 \u0628\u0631\u0631\u0633\u06cc: \u0628\u067e\u0631\u0633\u06cc\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0641\u0646\u0631\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9\u06cc \u062f\u0631 \u0637\u0631\u0627\u062d\u06cc \u06af\u0644\u0646\u062f \u06af\u0646\u062c\u0627\u0646\u062f\u0647 \u0634\u062f\u0647\u200c\u0627\u0646\u062f \u0648 \u0622\u06cc\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0641\u0646\u0631 \u0628\u0631\u0627\u06cc \u0645\u062d\u062f\u0648\u062f\u0647 \u062f\u0645\u0627\u06cc\u06cc \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Compliance-minded_selection_notes_what_to_write_into_the_PO\"><\/span><strong>\u06cc\u0627\u062f\u062f\u0627\u0634\u062a\u200c\u0647\u0627\u06cc \u06af\u0632\u06cc\u0646\u0634 \u0628\u0627 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u0627\u0646\u0637\u0628\u0627\u0642 (\u0686\u0647 \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u062f\u0631 \u0641\u0631\u0645 \u0633\u0641\u0627\u0631\u0634 \u062e\u0631\u06cc\u062f \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0632 \u0627\u06cc\u0646 \u062c\u0645\u0644\u0627\u062a \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0645\u0634\u06a9\u0644\u0627\u062a \u201c\u0645\u0627 \u0641\u0631\u0636 \u06a9\u0631\u062f\u06cc\u0645\u201d \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u06a9\u0644\u0627\u0633\/\u0633\u0637\u062d \u0622\u0632\u0645\u0648\u0646 ISO 15848-1 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u067e\u0631\u0648\u0698\u0647<\/li>\n\n\n\n<li>\u0645\u062d\u062f\u0648\u062f\u0647 \u062f\u0645\u0627 \u0648 \u0645\u0634\u062e\u0635\u0627\u062a \u0686\u0631\u062e\u0647 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u062e\u062f\u0645\u0627\u062a \u0634\u0645\u0627<\/li>\n\n\n\n<li>\u0627\u0644\u0632\u0627\u0645\u0627\u062a \u0645\u0648\u0627\u062f \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc (\u0648 \u0647\u0631\u06af\u0648\u0646\u0647 \u0645\u0648\u0627\u062f \u0645\u0645\u0646\u0648\u0639\u0647)<\/li>\n\n\n\n<li>\u0627\u0644\u0632\u0627\u0645\u0627\u062a \u0637\u0631\u0627\u062d\u06cc \u06af\u0644\u0646\u062f (\u0641\u0646\u0631\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9\u06cc \u06cc\u0627 \u0645\u0639\u0627\u062f\u0644 \u0622\u0646 \u062f\u0631 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0632\u0646\u062f\u0647)<\/li>\n\n\n\n<li>\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u067e\u0630\u06cc\u0631\u0634 (\u06af\u0632\u0627\u0631\u0634 \u0622\u0632\u0645\u0627\u06cc\u0634\u060c \u0642\u0627\u0628\u0644\u06cc\u062a \u0631\u062f\u06cc\u0627\u0628\u06cc\u060c \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u06af\u0631 \u067e\u0631\u0648\u0698\u0647 \u0634\u0645\u0627 \u0645\u0634\u062e\u0635\u0627\u062a \u0627\u06cc\u0632\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0631\u0627 \u0628\u0627 \u0627\u0644\u0632\u0627\u0645\u0627\u062a \u06af\u0633\u062a\u0631\u062f\u0647\u200c\u062a\u0631 \u0634\u06cc\u0631 \u0647\u0645\u0627\u0647\u0646\u06af \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0647 \u06cc\u06a9 \u0645\u0648\u0631\u062f \u062f\u06cc\u06af\u0631 \u0646\u06cc\u0632 \u0627\u0634\u0627\u0631\u0647 \u06a9\u0646\u06cc\u062f. <a href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/understanding-the-differences-in-valve-standards%EF%BC%9Aapi-608-vs-api-6d\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0634\u06cc\u0631 \u062a\u0648\u067e\u06cc api 608<\/a> \u062f\u0631 \u0628\u0633\u062a\u0647 \u062a\u062f\u0627\u0631\u06a9\u0627\u062a \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0633\u0627\u0632\u06cc \u0637\u0631\u0627\u062d\u06cc \u0648 \u06af\u0632\u06cc\u0646\u0647\u200c\u0647\u0627\u06cc \u0627\u06cc\u0645\u0646\u06cc \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0622\u062a\u0634 \u062f\u0631 \u0628\u06cc\u0646 \u0641\u0631\u0648\u0634\u0646\u062f\u06af\u0627\u0646.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_this_matters_most_common_service_examples\"><\/span><strong>\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0627\u0647\u0645\u06cc\u062a \u0631\u0627 \u062f\u0627\u0631\u062f: \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u062e\u062f\u0645\u0627\u062a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High_thermal_swing_or_repeated_cycling\"><\/span><strong>\u0646\u0648\u0633\u0627\u0646 \u062d\u0631\u0627\u0631\u062a\u06cc \u0628\u0627\u0644\u0627 \u06cc\u0627 \u0686\u0631\u062e\u0647\u200c\u0647\u0627\u06cc \u062d\u0631\u0627\u0631\u062a\u06cc \u0645\u06a9\u0631\u0631<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u062b\u0627\u0644\u200c\u0647\u0627 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0647\u062f\u0631\u0647\u0627\u06cc \u06cc\u0648\u062a\u06cc\u0644\u06cc\u062a\u06cc \u0628\u062e\u0627\u0631 \u0648 \u0645\u06cc\u0639\u0627\u0646\u0627\u062a<\/li>\n\n\n\n<li>\u062d\u0644\u0642\u0647\u200c\u0647\u0627\u06cc \u0631\u0648\u063a\u0646 \u062f\u0627\u063a \u0628\u0627 \u0634\u0631\u0648\u0639\/\u062a\u0648\u0642\u0641 \u0645\u06a9\u0631\u0631<\/li>\n\n\n\n<li>\u062e\u0637\u0648\u0637 \u062a\u062e\u0644\u06cc\u0647 \u06a9\u0645\u067e\u0631\u0633\u0648\u0631 \u0628\u0627 \u0644\u0631\u0632\u0634<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Isolation_procedures_with_high_consequences\"><\/span><strong>\u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0628\u0627 \u0639\u0648\u0627\u0642\u0628 \u0628\u0627\u0644\u0627<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062f\u0631 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0628\u0647 \u0645\u0631\u0627\u062d\u0644 \u0635\u062f\u0648\u0631 \u0645\u062c\u0648\u0632 \u0648 \u0627\u06cc\u0645\u0646\u06cc \u0645\u0631\u062a\u0628\u0637 \u0627\u0633\u062a\u060c \u06cc\u06a9 <a href=\"https:\/\/www.xintaivalves.com\/fa\/product\/double-block-and-bleed-valve-ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u062f\u0648 \u0628\u0644\u0648\u06a9 \u0648 \u062f\u0631\u06cc\u0686\u0647 \u062e\u0648\u0646\u0631\u06cc\u0632\u06cc<\/a> \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0645\u06cc\u0632\u0627\u0646 \u0645\u0648\u0627\u062c\u0647\u0647 \u062f\u0631 \u062d\u06cc\u0646 \u062a\u0639\u0645\u06cc\u0631 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0645\u0634\u062e\u0635 \u0634\u0648\u062f. \u06a9\u0646\u062a\u0631\u0644 \u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u0641\u0631\u0627\u0631 \u0647\u0646\u0648\u0632 \u0628\u0647 \u0647\u0645\u0627\u0646 \u0627\u0635\u0648\u0644 \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0633\u0627\u0642\u0647 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0637\u0631\u0627\u062d\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0631\u0627 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0639\u0627\u0645\u0644 \u062b\u0627\u0646\u0648\u06cc\u0647 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>\u0645\u062d\u0635\u0648\u0644 \u0628\u0631\u062c\u0633\u062a\u0647 \u0642\u0647\u0631\u0645\u0627\u0646<\/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\/fa\/products\/api-623-globe-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/02\/WCB-J41H-150LB-3inch.jpg\" alt=\"API 623 Cast Steel Globe Valve\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u2699\ufe0f \u0634\u06cc\u0631 \u062a\u0648\u067e\u06cc \u0641\u0648\u0644\u0627\u062f\u06cc \u0641\u0648\u0631\u062c \u0634\u062f\u0647 \u0641\u0644\u0646\u062c \u062f\u0627\u0631 API 3PC<\/div>\n    <div class=\"hero-description\">\u06cc\u06a9 \u062c\u0632\u0621 \u0636\u0631\u0648\u0631\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 \u062c\u0631\u06cc\u0627\u0646 \u0633\u06cc\u0627\u0644 \u062f\u0631 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0635\u0646\u0639\u062a\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/div>\n    <span class=\"hero-link\">\u0645\u062d\u0635\u0648\u0644 \u0631\u0627 \u06a9\u0627\u0648\u0634 \u06a9\u0646\u06cc\u062f<\/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=\"Conclusion\"><\/span><strong>\u0646\u062a\u06cc\u062c\u0647<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f ISO 15848-1 \u0627\u0631\u0632\u0634\u0645\u0646\u062f \u0627\u0633\u062a \u0632\u06cc\u0631\u0627 \u0639\u0645\u0644\u06a9\u0631\u062f \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0633\u0627\u0642\u0647 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0648\u0634 \u0622\u0632\u0645\u0627\u06cc\u0634 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062f\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0648\u0632\u0645\u0631\u0647\u060c \u0686\u0631\u062e\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc \u062a\u0646\u0634\u06cc \u0627\u0633\u062a \u06a9\u0647 \u067e\u06a9\u06cc\u0646\u06af\u200c\u0647\u0627\u06cc \u0636\u0639\u06cc\u0641 \u0631\u0627 \u062f\u0631 \u0645\u0639\u0631\u0636 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f. \u067e\u06a9\u06cc\u0646\u06af\u200c\u0647\u0627\u06cc V \u0634\u06a9\u0644 \u0648\u0642\u062a\u06cc \u0628\u0627\u0631 \u06af\u0644\u0646\u062f \u067e\u0627\u06cc\u062f\u0627\u0631 \u0627\u0633\u062a\u060c \u0628\u0647 \u062e\u0648\u0628\u06cc \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648 \u0641\u0646\u0631\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9\u06cc \u0628\u0647 \u067e\u0627\u06cc\u062f\u0627\u0631 \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0646 \u0622\u0646 \u0628\u0627\u0631 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0634\u0644 \u0634\u062f\u0646 \u067e\u06a9\u06cc\u0646\u06af\u200c\u0647\u0627 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u06af\u0631 \u0631\u0639\u0627\u06cc\u062a \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u0622\u0644\u0627\u06cc\u0646\u062f\u06af\u06cc \u0645\u062f \u0646\u0638\u0631 \u0627\u0633\u062a\u060c \u0637\u0631\u0627\u062d\u06cc \u067e\u06a9\u06cc\u0646\u06af \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0639\u06cc\u0627\u0631 \u0627\u0635\u0644\u06cc \u0627\u0646\u062a\u062e\u0627\u0628 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f\u060c \u0646\u0647 \u06cc\u06a9 \u0646\u06a9\u062a\u0647 \u062d\u0627\u0634\u06cc\u0647\u200c\u0627\u06cc. \u06cc\u06a9 \u0634\u06cc\u0631 \u062a\u0648\u067e\u06cc \u0627\u0632 \u062c\u0646\u0633 \u0627\u0633\u062a\u06cc\u0644 \u0636\u062f \u0632\u0646\u06af \u0628\u0627 \u0645\u0634\u062e\u0635\u0627\u062a \u0645\u0646\u0627\u0633\u0628 \u0648 \u0633\u06cc\u0633\u062a\u0645 \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0633\u0627\u0642\u0647 \u0645\u0639\u062a\u0628\u0631\u060c \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0633\u0641\u062a \u0634\u062f\u0646 \u0645\u062c\u062f\u062f \u0648 \u0631\u0627\u0646\u0634 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f \u0648 \u0646\u062a\u0627\u06cc\u062c \u0631\u0639\u0627\u06cc\u062a \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u0634\u0645\u0627 \u0631\u0627 \u0642\u0627\u0628\u0644 \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Key_Takeaways\"><\/span><strong>\u06f3 \u0646\u06a9\u062a\u0647 \u06a9\u0644\u06cc\u062f\u06cc<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f ISO 15848-1 \u0631\u0641\u062a\u0627\u0631 \u0646\u0634\u062a\u06cc \u0633\u0627\u0642\u0647 \u0631\u0627 \u062a\u062d\u062a \u062a\u0646\u0634 \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc \u0648 \u062d\u0631\u0627\u0631\u062a\u06cc \u0647\u062f\u0641 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f\u060c \u0646\u0647 \u0641\u0642\u0637 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 &quot;\u0646\u0635\u0628 \u062a\u0627\u0632\u0647&quot;.<\/li>\n\n\n\n<li>\u0639\u0645\u0644\u06a9\u0631\u062f V-packing \u0628\u0647 \u062d\u0641\u0638 \u0628\u0627\u0631 \u063a\u062f\u0647 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f\u061b \u0641\u0646\u0631\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9\u06cc \u0628\u0647 \u062a\u062b\u0628\u06cc\u062a \u0627\u06cc\u0646 \u0628\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0686\u0631\u062e\u0647\u200c\u0647\u0627\u06cc \u0627\u0633\u062a\u0631\u0627\u062d\u062a \u0648 \u06af\u0631\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/li>\n\n\n\n<li>\u0627\u0644\u0632\u0627\u0645\u0627\u062a \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0648 \u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0631\u0627 \u062f\u0631 \u0633\u0641\u0627\u0631\u0634 \u062e\u0631\u06cc\u062f \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f \u062a\u0627 \u0627\u0632 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc\u200c\u0647\u0627\u06cc \u0628\u062f\u0648\u0646 \u0633\u0646\u062f \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0634\u0648\u062f.<\/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\/fa\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u062f\u0631\u06cc\u0627\u0641\u062a \u067e\u06cc\u0634 \u0641\u0627\u06a9\u062a\u0648\u0631<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs_People_Also_Ask_style\"><\/span><strong>\u0633\u0648\u0627\u0644\u0627\u062a \u0645\u062a\u062f\u0627\u0648\u0644 (\u0645\u0631\u062f\u0645 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u0632 \u0633\u0628\u06a9 \u0645\u06cc\u200c\u067e\u0631\u0633\u0646\u062f)<\/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_is_ISO_15848-1_used_for\"><\/span><strong>\u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f ISO 15848-1 \u0628\u0631\u0627\u06cc \u0686\u0647 \u0645\u0648\u0627\u0631\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u06cc\u0646 \u06cc\u06a9 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0622\u0632\u0645\u0627\u06cc\u0634\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0637\u0628\u0642\u0647\u200c\u0628\u0646\u062f\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u062e\u0631\u0648\u062c\u06cc \u0627\u0632 \u0633\u0648\u067e\u0627\u067e\u060c \u0639\u0645\u062f\u062a\u0627\u064b \u062f\u0631 \u0622\u0628\u200c\u0628\u0646\u062f \u0633\u0627\u0642 \u0633\u0648\u067e\u0627\u067e\u060c \u062a\u062d\u062a \u0686\u0631\u062e\u0647\u200c\u0647\u0627 \u0648 \u062f\u0645\u0627\u0647\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641\u200c\u0634\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_fugitive_emissions_testing_measure_seat_leakage\"><\/span><strong>\u0622\u06cc\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u06af\u0644\u062e\u0627\u0646\u0647\u200c\u0627\u06cc \u0641\u0631\u0627\u0631\u06cc\u060c \u0646\u0634\u062a\u06cc \u0635\u0646\u062f\u0644\u06cc \u0631\u0627 \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u06af\u06cc\u0631\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062e\u06cc\u0631. \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631 \u0646\u0634\u062a \u062e\u0627\u0631\u062c\u06cc \u0628\u0647 \u062c\u0648\u060c \u0639\u0645\u062f\u062a\u0627\u064b \u062f\u0631 \u0646\u0627\u062d\u06cc\u0647 \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0633\u0627\u0642\u0647\u060c \u062a\u0645\u0631\u06a9\u0632 \u062f\u0627\u0631\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_is_thermal_cycling_important_in_emissions_performance\"><\/span><strong>\u0686\u0631\u0627 \u0686\u0631\u062e\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc \u062f\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0646\u062a\u0634\u0627\u0631 \u06af\u0627\u0632\u0647\u0627\u06cc \u06af\u0644\u062e\u0627\u0646\u0647\u200c\u0627\u06cc \u0645\u0647\u0645 \u0627\u0633\u062a\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0646\u0628\u0633\u0627\u0637\u060c \u0627\u0646\u0642\u0628\u0627\u0636 \u0648 \u0634\u0644 \u0634\u062f\u0646 \u067e\u06a9\u06cc\u0646\u06af\u060c \u0628\u0627\u0631 \u06af\u0644\u0646\u062f \u0631\u0627 \u0628\u0647 \u0645\u0631\u0648\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u0627\u06af\u0631 \u0637\u0631\u0627\u062d\u06cc \u062a\u062d\u062a \u0628\u0627\u0631 \u0632\u0646\u062f\u0647 \u0646\u0628\u0627\u0634\u062f\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0646\u0634\u062a\u06cc \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_live_loading_in_valve_packing\"><\/span><strong>\u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0632\u0646\u062f\u0647 \u062f\u0631 \u067e\u06a9\u06cc\u0646\u06af \u0648\u0644\u0648 \u0686\u06cc\u0633\u062a\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0641\u0646\u0631\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9\u06cc (\u0648\u0627\u0634\u0631\u0647\u0627\u06cc Belleville) \u06cc\u0627 \u0645\u06a9\u0627\u0646\u06cc\u0632\u0645\u200c\u0647\u0627\u06cc \u0645\u0634\u0627\u0628\u0647 \u0628\u0631\u0627\u06cc \u062d\u0641\u0638 \u0641\u0634\u0631\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06cc\u06a9\u0646\u0648\u0627\u062e\u062a \u0631\u0648\u06cc \u067e\u06a9\u06cc\u0646\u06af \u0647\u0646\u06af\u0627\u0645 \u0646\u0634\u0633\u062a \u06cc\u0627 \u062e\u0632\u0634 \u0622\u0646.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_can_I_reduce_the_need_for_packing_retightening\"><\/span><strong>\u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0645 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0633\u0641\u062a \u06a9\u0631\u062f\u0646 \u0645\u062c\u062f\u062f \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u0645\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u06cc\u06a9 \u067e\u0634\u062a\u0647 \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u067e\u0627\u06cc\u062f\u0627\u0631 (\u0645\u0627\u0646\u0646\u062f \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc V) \u0628\u0627 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0632\u0646\u062f\u0647 \u0645\u0634\u062e\u0635 \u06a9\u0646\u06cc\u062f\u060c \u0627\u0644\u0632\u0627\u0645\u0627\u062a \u067e\u0631\u062f\u0627\u062e\u062a \u0633\u0627\u0642\u0647 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u062f\u0642\u06cc\u0642 \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0631\u0627 \u062f\u0631 \u0645\u0633\u062a\u0646\u062f\u0627\u062a \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u06a9\u0646\u06cc\u062f.<\/p>","protected":false},"excerpt":{"rendered":"<p>Fugitive emissions targets are easy to add to a spec, and much harder to keep stable in real operation. Most leakage at a valve is not through the seat. It\u2019s usually through the stem sealing system after thermal cycling, vibration, and repeated operation. ISO 15848-1 exists to turn that risk into a measurable, repeatable test [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14683,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[306],"tags":[],"class_list":["post-14682","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-science"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/posts\/14682","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/comments?post=14682"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/posts\/14682\/revisions"}],"predecessor-version":[{"id":14729,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/posts\/14682\/revisions\/14729"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/media\/14683"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/media?parent=14682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/categories?post=14682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/tags?post=14682"}],"curies":[{"name":"\u0648\u0631\u062f\u067e\u0631\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}