{"id":14666,"date":"2026-01-11T09:00:00","date_gmt":"2026-01-11T01:00:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=14666"},"modified":"2026-02-04T09:34:12","modified_gmt":"2026-02-04T01:34:12","slug":"super-duplex-ball-valve-chloride-resistance","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/","title":{"rendered":"\u0428\u0430\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440\u044b\u043d\u0430 \u0430\u0440\u043d\u0430\u043b\u0493\u0430\u043d Super Duplex 2507: \u0425\u043b\u043e\u0440\u0438\u0434 \u043a\u0435\u0440\u043d\u0435\u0443\u0456\u043d\u0435\u043d \u0442\u0443\u044b\u043d\u0434\u0430\u0493\u0430\u043d \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u044f\u0434\u0430\u043d \u0431\u043e\u043b\u0430\u0442\u044b\u043d \u0436\u0430\u0440\u044b\u043b\u0443\u0434\u044b \u0430\u0437\u0430\u0439\u0442\u0443"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u041c\u0430\u0437\u043c\u04b1\u043d\u044b<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u041c\u0430\u0437\u043c\u04b1\u043d \u043a\u0435\u0441\u0442\u0435\u0441\u0456\u043d \u0430\u0443\u044b\u0441\u0442\u044b\u0440\u0443\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u0410\u0443\u044b\u0441\u0442\u044b\u0440\u0443<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#What_chloride_SCC_looks_like_in_real_systems\" >\u041d\u0430\u049b\u0442\u044b \u0436\u04af\u0439\u0435\u043b\u0435\u0440\u0434\u0435 \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0456 SCC \u049b\u0430\u043b\u0430\u0439 \u043a\u04e9\u0440\u0456\u043d\u0435\u0434\u0456<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#Why_%E2%80%9Cgood_stainless%E2%80%9D_still_fails\" >\u041d\u0435\u043b\u0456\u043a\u0442\u0435\u043d \u201c\u0436\u0430\u049b\u0441\u044b \u0442\u043e\u0442 \u0431\u0430\u0441\u043f\u0430\u0439\u0442\u044b\u043d \u0431\u043e\u043b\u0430\u0442\u201d \u04d9\u043b\u0456 \u0434\u0435 \u0456\u0441\u0442\u0435\u043d \u0448\u044b\u0493\u0430\u0434\u044b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#PREN_a_quick_way_to_compare_chloride_resistance\" >PREN: \u0445\u043b\u043e\u0440\u0438\u0434\u043a\u0435 \u0442\u04e9\u0437\u0456\u043c\u0434\u0456\u043b\u0456\u043a\u0442\u0456 \u0441\u0430\u043b\u044b\u0441\u0442\u044b\u0440\u0443\u0434\u044b\u04a3 \u0436\u044b\u043b\u0434\u0430\u043c \u0436\u043e\u043b\u044b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#What_higher_PREN_suggests\" >\u0416\u043e\u0493\u0430\u0440\u044b PREN \u043d\u0435\u043d\u0456 \u043a\u04e9\u0440\u0441\u0435\u0442\u0435\u0434\u0456<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#How_to_use_PREN_in_procurement\" >\u0421\u0430\u0442\u044b\u043f \u0430\u043b\u0443\u0434\u0430 PREN \u049b\u0430\u043b\u0430\u0439 \u049b\u043e\u043b\u0434\u0430\u043d\u044b\u043b\u0430\u0434\u044b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#Where_super_duplex_2507_makes_sense\" >\u0421\u0443\u043f\u0435\u0440 \u0434\u0443\u043f\u043b\u0435\u043a\u0441 2507 \u049b\u0430\u0439 \u0436\u0435\u0440\u0434\u0435 \u043c\u0430\u0493\u044b\u043d\u0430\u043b\u044b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#Typical_%E2%80%9Cyes%E2%80%9D_scenarios\" >\u04d8\u0434\u0435\u0442\u0442\u0435\u0433\u0456 \u201c\u0438\u04d9\u201d \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0439\u043b\u0435\u0440\u0456<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#Typical_%E2%80%9Cmaybe%E2%80%9D_scenarios\" >\u04d8\u0434\u0435\u0442\u0442\u0435\u0433\u0456 \u201c\u043c\u04af\u043c\u043a\u0456\u043d\u201d \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0439\u043b\u0435\u0440\u0456<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#Valve_builds_choices_that_support_the_alloy\" >\u041a\u043b\u0430\u043f\u0430\u043d \u049b\u043e\u0440\u044b\u0442\u043f\u0430\u043d\u044b \u049b\u043e\u043b\u0434\u0430\u0439\u0442\u044b\u043d \u0442\u0430\u04a3\u0434\u0430\u0443\u043b\u0430\u0440\u0434\u044b \u0436\u0430\u0441\u0430\u0439\u0434\u044b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#Spec_checks_that_prevent_expensive_surprises\" >\u049a\u044b\u043c\u0431\u0430\u0442 \u0442\u043e\u0441\u044b\u043d\u0441\u044b\u0439\u043b\u0430\u0440\u0434\u044b\u04a3 \u0430\u043b\u0434\u044b\u043d \u0430\u043b\u0430\u0442\u044b\u043d \u0442\u0435\u0445\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u0442\u0435\u043a\u0441\u0435\u0440\u0443\u043b\u0435\u0440<\/a><\/li><\/ul><\/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\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#Conclusion\" >\u049a\u043e\u0440\u044b\u0442\u044b\u043d\u0434\u044b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#3_Key_Takeaways\" >3 \u043d\u0435\u0433\u0456\u0437\u0433\u0456 \u043e\u0439<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#FAQs\" >\u0416\u0438\u0456 \u049b\u043e\u0439\u044b\u043b\u0430\u0442\u044b\u043d \u0441\u04b1\u0440\u0430\u049b\u0442\u0430\u0440<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#What_is_Super_Duplex_2507_used_for\" >Super Duplex 2507 \u043d\u0435 \u04af\u0448\u0456\u043d \u049b\u043e\u043b\u0434\u0430\u043d\u044b\u043b\u0430\u0434\u044b?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#What_is_chloride_stress_corrosion_cracking_SCC\" >\u0425\u043b\u043e\u0440\u0438\u0434\u0442\u0456 \u0441\u0442\u0440\u0435\u0441\u0441\u0442\u0456\u043a \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u044f\u043b\u044b\u049b \u043a\u0440\u0435\u043a\u0438\u043d\u0433 (\u0425\u041a\u041a) \u0434\u0435\u0433\u0435\u043d\u0456\u043c\u0456\u0437 \u043d\u0435?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#Does_higher_PREN_always_mean_no_corrosion\" >\u0416\u043e\u0493\u0430\u0440\u044b PREN \u04d9\u0440\u049b\u0430\u0448\u0430\u043d \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u044f\u043d\u044b\u04a3 \u0436\u043e\u049b\u0442\u044b\u0493\u044b\u043d \u0431\u0456\u043b\u0434\u0456\u0440\u0435 \u043c\u0435?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#Is_duplex_always_better_than_standard_stainless\" >\u0414\u0443\u043f\u043b\u0435\u043a\u0441 \u04d9\u0440\u049b\u0430\u0448\u0430\u043d \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u044b \u0442\u043e\u0442 \u0431\u0430\u0441\u043f\u0430\u0439\u0442\u044b\u043d \u0431\u043e\u043b\u0430\u0442\u0442\u0430\u043d \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d \u0431\u04b1\u0439\u044b\u043c\u0434\u0430\u0440\u0493\u0430 \u049b\u0430\u0440\u0430\u0493\u0430\u043d\u0434\u0430 \u0436\u0430\u049b\u0441\u044b \u043c\u0430?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/technical-science\/super-duplex-ball-valve-chloride-resistance\/#What_should_buyers_request_on_the_PO_to_control_risk\" >\u0422\u04d9\u0443\u0435\u043a\u0435\u043b\u0434\u0456 \u0431\u0430\u049b\u044b\u043b\u0430\u0443 \u04af\u0448\u0456\u043d \u0441\u0430\u0442\u044b\u043f \u0430\u043b\u0443\u0448\u044b\u043b\u0430\u0440 \u0441\u0430\u0442\u044b\u043f \u0430\u043b\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u043d\u0435 \u0441\u04b1\u0440\u0430\u0443\u044b \u043a\u0435\u0440\u0435\u043a?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u0425\u043b\u043e\u0440\u0438\u0434\u0442\u0435\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440\u0493\u0430 \u0431\u0435\u0440\u0456\u043a \u0435\u043c\u0435\u0441. \u041e\u043b\u0430\u0440 \u0442\u044b\u0493\u044b\u0437 \u0441\u0430\u04a3\u044b\u043b\u0430\u0443\u043b\u0430\u0440\u0434\u0430 \u0442\u04b1\u0440\u044b\u043f \u049b\u0430\u043b\u0443\u044b, \u0448\u04e9\u0433\u0456\u043d\u0434\u0456\u043b\u0435\u0440\u0434\u0456\u04a3 \u0430\u0441\u0442\u044b\u043d\u0434\u0430 \u0436\u0438\u043d\u0430\u043b\u0443\u044b \u0436\u04d9\u043d\u0435 \u0430\u0493\u044b\u043f \u043a\u0435\u0442\u0443\u043b\u0435\u0440 \u043c\u0435\u043d \u0436\u043e\u0441\u043f\u0430\u0440\u043b\u0430\u043d\u0431\u0430\u0493\u0430\u043d \u04e9\u0448\u0456\u0440\u0443\u043b\u0435\u0440\u0433\u0435 \u04d9\u043a\u0435\u043b\u0435\u0442\u0456\u043d \u0437\u0430\u049b\u044b\u043c\u0434\u0430\u043d\u0443\u0434\u044b \u0431\u0430\u044f\u0443 \u0442\u0443\u0434\u044b\u0440\u0443\u044b \u043c\u04af\u043c\u043a\u0456\u043d. \u0415\u0433\u0435\u0440 \u0441\u0456\u0437\u0434\u0456\u04a3 \u0436\u04af\u0439\u0435\u04a3\u0456\u0437 \u0442\u0435\u04a3\u0456\u0437 \u0441\u0443\u044b\u043d, \u0442\u04b1\u0437\u0434\u044b \u0441\u0443\u0434\u044b \u043d\u0435\u043c\u0435\u0441\u0435 \u0436\u0438\u0456 \u0436\u0443\u044b\u043b\u0430\u0442\u044b\u043d \u0437\u0430\u0442\u0442\u0430\u0440\u0434\u044b \u04e9\u04a3\u0434\u0435\u0439\u0442\u0456\u043d \u0431\u043e\u043b\u0441\u0430, \u049b\u043e\u0440\u044b\u0442\u043f\u0430\u043d\u044b \u0442\u0430\u04a3\u0434\u0430\u0443\u044b\u04a3\u044b\u0437 \u0456\u0441\u0442\u0435\u043d \u0448\u044b\u0493\u0443 \u049b\u0430\u0443\u043f\u0456\u043d\u0435 \u0436\u04d9\u043d\u0435 \u0442\u0435\u0445\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u049b\u044b\u0437\u043c\u0435\u0442 \u043a\u04e9\u0440\u0441\u0435\u0442\u0443 \u0436\u04b1\u043c\u044b\u0441 \u043a\u04e9\u043b\u0435\u043c\u0456\u043d\u0435 \u0442\u0456\u043a\u0435\u043b\u0435\u0439 \u04d9\u0441\u0435\u0440 \u0435\u0442\u0435\u0434\u0456.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u044b \u043c\u0430\u0440\u043a\u0430\u043b\u044b \u0442\u043e\u0442 \u0431\u0430\u0441\u043f\u0430\u0439\u0442\u044b\u043d \u0431\u043e\u043b\u0430\u0442\u0442\u0430\u043d \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d \u0448\u0430\u0440\u043b\u044b \u043a\u043b\u0430\u043f\u0430\u043d \u043a\u04e9\u043f\u0442\u0435\u0433\u0435\u043d \u049b\u043e\u043d\u0434\u044b\u0440\u0493\u044b\u043b\u0430\u0440\u0434\u0430 \u0436\u0430\u049b\u0441\u044b \u0436\u04b1\u043c\u044b\u0441 \u0456\u0441\u0442\u0435\u0439 \u0430\u043b\u0430\u0434\u044b. \u0414\u0435\u0433\u0435\u043d\u043c\u0435\u043d, \u0436\u043e\u0493\u0430\u0440\u044b \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0456 \u0436\u04b1\u043c\u044b\u0441 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u043e\u043b \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0456 \u043a\u0435\u0440\u043d\u0435\u0443\u0434\u0435\u043d \u0431\u043e\u043b\u0430\u0442\u044b\u043d \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u044f\u043b\u044b\u049b \u0436\u0430\u0440\u044b\u049b\u0448\u0430\u049b\u0442\u0430\u0440\u0493\u0430 (SCC) \u043e\u0441\u0430\u043b \u0431\u043e\u043b\u0443\u044b \u043c\u04af\u043c\u043a\u0456\u043d. \u0414\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456 \u0436\u04d9\u043d\u0435 \u0441\u0443\u043f\u0435\u0440\u0434\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456 \u049b\u043e\u0440\u044b\u0442\u043f\u0430\u043b\u0430\u0440 \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u0445\u043b\u043e\u0440\u0438\u0434\u043a\u0435 \u0436\u0430\u049b\u0441\u044b \u0442\u04e9\u0437\u0456\u043c\u0434\u0456\u043b\u0456\u043a\u0442\u0456 \u0436\u043e\u0493\u0430\u0440\u044b \u0431\u0435\u0440\u0456\u043a\u0442\u0456\u043a\u043f\u0435\u043d \u0431\u0456\u0440\u0456\u043a\u0442\u0456\u0440\u0435\u0442\u0456\u043d\u0434\u0456\u043a\u0442\u0435\u043d \u0430\u0440\u043d\u0430\u0439\u044b \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_chloride_SCC_looks_like_in_real_systems\"><\/span><strong>\u041d\u0430\u049b\u0442\u044b \u0436\u04af\u0439\u0435\u043b\u0435\u0440\u0434\u0435 \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0456 SCC \u049b\u0430\u043b\u0430\u0439 \u043a\u04e9\u0440\u0456\u043d\u0435\u0434\u0456<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_%E2%80%9Cgood_stainless%E2%80%9D_still_fails\"><\/span><strong>\u041d\u0435\u043b\u0456\u043a\u0442\u0435\u043d \u201c\u0436\u0430\u049b\u0441\u044b \u0442\u043e\u0442 \u0431\u0430\u0441\u043f\u0430\u0439\u0442\u044b\u043d \u0431\u043e\u043b\u0430\u0442\u201d \u04d9\u043b\u0456 \u0434\u0435 \u0456\u0441\u0442\u0435\u043d \u0448\u044b\u0493\u0430\u0434\u044b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SCC \u0436\u0430\u043b\u043f\u044b \u0442\u043e\u0442\u043f\u0435\u043d \u0431\u0456\u0440\u0434\u0435\u0439 \u0435\u043c\u0435\u0441. \u0411\u04b1\u043b \u04af\u0448 \u0444\u0430\u043a\u0442\u043e\u0440 \u0431\u0456\u0440\u0433\u0435 \u043f\u0430\u0439\u0434\u0430 \u0431\u043e\u043b\u0493\u0430\u043d \u043a\u0435\u0437\u0434\u0435 \u043f\u0430\u0439\u0434\u0430 \u0431\u043e\u043b\u0430\u0442\u044b\u043d \u0436\u0430\u0440\u044b\u049b\u0448\u0430\u049b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0425\u043b\u043e\u0440\u0438\u0434\u0442\u0435\u0440<\/strong> (\u0442\u0435\u04a3\u0456\u0437 \u0441\u0443\u044b, \u0442\u04b1\u0437\u0434\u044b \u0441\u0443, \u0436\u0430\u0493\u0430\u043b\u0430\u0443\u0434\u0430\u0493\u044b \u0430\u0443\u0430, \u0448\u0430\u0439\u044b\u043b\u0443 \u0441\u0443\u043b\u0430\u0440\u044b)<\/li>\n\n\n\n<li><strong>\u0421\u0442\u0440\u0435\u0441\u0441<\/strong> (\u049b\u044b\u0441\u044b\u043c \u0436\u04af\u043a\u0442\u0435\u043c\u0435\u043b\u0435\u0440\u0456, \u049b\u04b1\u0440\u0430\u0441\u0442\u044b\u0440\u0443 \u043a\u0435\u0440\u043d\u0435\u0443\u0456, \u0434\u0456\u0440\u0456\u043b)<\/li>\n\n\n\n<li><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430<\/strong> (\u0436\u044b\u043b\u0443\u0434\u044b \u0431\u0430\u049b\u044b\u043b\u0430\u0443, \u044b\u0441\u0442\u044b\u049b\/\u0441\u0443\u044b\u049b \u0446\u0438\u043a\u043b\u0434\u0430\u0440, \u0436\u044b\u043b\u044b \u049b\u044b\u0437\u043c\u0435\u0442 \u043a\u04e9\u0440\u0441\u0435\u0442\u0443)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u04b1\u0437\u0441\u044b\u0437\u0434\u0430\u043d\u0434\u044b\u0440\u0443 \u0436\u04d9\u043d\u0435 \u0442\u0435\u04a3\u0456\u0437 \u043c\u04b1\u043d\u0430\u0439\u044b \u043c\u0435\u043d \u0433\u0430\u0437\u044b\u043d \u04e9\u043d\u0434\u0456\u0440\u0443\u0434\u0435 \u0431\u04b1\u043b \u0436\u0430\u0493\u0434\u0430\u0439\u043b\u0430\u0440 \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u0431\u0456\u0440-\u0431\u0456\u0440\u0456\u043c\u0435\u043d \u049b\u0430\u0431\u0430\u0442\u0442\u0430\u0441\u0430\u0434\u044b, \u0441\u043e\u043d\u0434\u044b\u049b\u0442\u0430\u043d \u0442\u0435\u04a3\u0456\u0437 \u0441\u0443\u044b\u043d\u0430 \u0431\u0430\u0493\u044b\u0442\u0442\u0430\u043b\u0493\u0430\u043d \u0436\u04b1\u043c\u044b\u0441\u0442\u0430\u0440 \u04af\u0448\u0456\u043d \u0434\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456 \u0436\u04d9\u043d\u0435 \u0441\u0443\u043f\u0435\u0440\u0434\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456 \u0441\u04b1\u0440\u044b\u043f\u0442\u0430\u0440 \u0436\u0438\u0456 \u049b\u043e\u043b\u0434\u0430\u043d\u044b\u043b\u0430\u0434\u044b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Xintai \u0442\u043e\u0442 \u0431\u0430\u0441\u043f\u0430\u0439\u0442\u044b\u043d \u0431\u043e\u043b\u0430\u0442\u0442\u0430\u043d \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d \u0436\u04d9\u043d\u0435 \u0434\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456 \u043e\u0440\u043d\u0430\u043b\u0430\u0441\u0442\u044b\u0440\u0443 \u04af\u0448\u0456\u043d \u043c\u044b\u043d\u0430\u043d\u044b \u049b\u0430\u0440\u0430\u04a3\u044b\u0437: <a href=\"https:\/\/www.xintaivalves.com\/kk\/custom-stainless-steel-ball-valves\/\">\u0422\u0430\u043f\u0441\u044b\u0440\u044b\u0441 \u0431\u043e\u0439\u044b\u043d\u0448\u0430 \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d \u0442\u043e\u0442 \u0431\u0430\u0441\u043f\u0430\u0439\u0442\u044b\u043d \u0431\u043e\u043b\u0430\u0442\u0442\u0430\u043d \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d \u0448\u0430\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PREN_a_quick_way_to_compare_chloride_resistance\"><\/span><strong>PREN: \u0445\u043b\u043e\u0440\u0438\u0434\u043a\u0435 \u0442\u04e9\u0437\u0456\u043c\u0434\u0456\u043b\u0456\u043a\u0442\u0456 \u0441\u0430\u043b\u044b\u0441\u0442\u044b\u0440\u0443\u0434\u044b\u04a3 \u0436\u044b\u043b\u0434\u0430\u043c \u0436\u043e\u043b\u044b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PREN (\u0428\u04b1\u04a3\u049b\u044b\u0440\u0493\u0430 \u0442\u04e9\u0437\u0456\u043c\u0434\u0456\u043b\u0456\u043a\u0442\u0456\u04a3 \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u0442\u0456 \u0441\u0430\u043d\u044b) - \u0431\u04b1\u043b \u0430\u0434\u0430\u043c\u0434\u0430\u0440 \u0448\u04b1\u04a3\u049b\u044b\u0440\u0493\u0430 \u0436\u04d9\u043d\u0435 \u0441\u0430\u04a3\u044b\u043b\u0430\u0443\u0493\u0430 \u0442\u04e9\u0437\u0456\u043c\u0434\u0456\u043b\u0456\u043a\u0442\u0456 \u0441\u0430\u043b\u044b\u0441\u0442\u044b\u0440\u0443 \u04af\u0448\u0456\u043d \u043f\u0430\u0439\u0434\u0430\u043b\u0430\u043d\u0430\u0442\u044b\u043d \u049b\u0430\u0440\u0430\u043f\u0430\u0439\u044b\u043c \u0438\u043d\u0434\u0435\u043a\u0441. \u041e\u043b \u04d9\u0434\u0435\u0442\u0442\u0435 \u0431\u044b\u043b\u0430\u0439 \u0436\u0430\u0437\u044b\u043b\u0430\u0434\u044b:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PREN = %Cr + 3,3\u00d7%Mo + 16\u00d7%N<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_higher_PREN_suggests\"><\/span><strong>\u0416\u043e\u0493\u0430\u0440\u044b PREN \u043d\u0435\u043d\u0456 \u043a\u04e9\u0440\u0441\u0435\u0442\u0435\u0434\u0456<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0425\u043b\u043e\u0440\u0438\u0434\u0442\u0456 \u049b\u044b\u0437\u043c\u0435\u0442 \u043a\u04e9\u0440\u0441\u0435\u0442\u0443\u0434\u0435 \u0436\u043e\u0493\u0430\u0440\u044b PREN \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u043a\u0435\u0439\u0456\u043d\u0456\u0440\u0435\u043a \u0430\u0493\u044b\u043f \u043a\u0435\u0442\u0443 \u043c\u0435\u043d \u0436\u0430\u0440\u044b\u049b\u0448\u0430\u049b\u0442\u0430\u043d\u0443\u0493\u0430 \u044b\u049b\u043f\u0430\u043b \u0435\u0442\u0435\u0442\u0456\u043d \u201c\u0435\u0440\u0442\u0435 \u0437\u0430\u049b\u044b\u043c\u0493\u0430\u201d (\u0448\u04b1\u04a3\u049b\u044b\u0440\u043b\u0430\u0440\u0434\u044b\u04a3 \u043f\u0430\u0439\u0434\u0430 \u0431\u043e\u043b\u0443\u044b\/\u0441\u0430\u04a3\u044b\u043b\u0430\u0443\u043b\u0430\u0440\u0434\u044b\u04a3 \u043f\u0430\u0439\u0434\u0430 \u0431\u043e\u043b\u0443\u044b) \u0436\u0430\u049b\u0441\u044b \u0442\u04e9\u0437\u0456\u043c\u0434\u0456\u043b\u0456\u043a\u0442\u0456 \u043a\u04e9\u0440\u0441\u0435\u0442\u0435\u0434\u0456.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0416\u0430\u043b\u043f\u044b \u0434\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456 \u043e\u0442\u0431\u0430\u0441\u044b\u043b\u0430\u0440 \u04af\u0448\u0456\u043d \u0442\u0438\u043f\u0442\u0456\u043a \u0430\u043d\u044b\u049b\u0442\u0430\u043c\u0430\u043b\u044b\u049b \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0434\u0430\u0440:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u0414\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456 \u043e\u0442\u0431\u0430\u0441\u044b (\u043c\u044b\u0441\u0430\u043b \u0440\u0435\u0442\u0456\u043d\u0434\u0435 \u0430\u0442\u0430\u0443)<\/strong><\/td><td><strong>\u04d8\u0434\u0435\u0442\u0442\u0435\u0433\u0456 PREN \u0438\u043d\u0434\u0438\u043a\u0430\u0442\u043e\u0440\u044b<\/strong><\/td><\/tr><tr><td>2205 \u043a\u043b\u0430\u0441\u044b (\u0434\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456)<\/td><td>~30\u201338<\/td><\/tr><tr><td>2507 \u043a\u043b\u0430\u0441\u0441 (\u0441\u0443\u043f\u0435\u0440 \u0434\u0443\u043f\u043b\u0435\u043a\u0441)<\/td><td>&gt;40<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_use_PREN_in_procurement\"><\/span><strong>\u0421\u0430\u0442\u044b\u043f \u0430\u043b\u0443\u0434\u0430 PREN \u049b\u0430\u043b\u0430\u0439 \u049b\u043e\u043b\u0434\u0430\u043d\u044b\u043b\u0430\u0434\u044b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PREN-\u0434\u0456 \u0441\u043a\u0440\u0438\u043d\u0438\u043d\u0433\u0442\u0456\u043a \u049b\u0430\u0434\u0430\u043c \u0440\u0435\u0442\u0456\u043d\u0434\u0435 \u043f\u0430\u0439\u0434\u0430\u043b\u0430\u043d\u044b\u04a3\u044b\u0437, \u0441\u043e\u0434\u0430\u043d \u043a\u0435\u0439\u0456\u043d \u04e9\u043d\u0456\u043c\u0434\u0456\u043b\u0456\u043a\u0442\u0456 \u0431\u0430\u0441\u049b\u0430\u0440\u0430\u0442\u044b\u043d \u043c\u04d9\u043b\u0456\u043c\u0435\u0442\u0442\u0435\u0440\u0434\u0456 \u0440\u0430\u0441\u0442\u0430\u04a3\u044b\u0437:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MTC-\u043b\u0435\u0440\u0434\u0435\u0433\u0456 \u0445\u0438\u043c\u0438\u044f (Cr\/Mo\/N \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0434\u0430\u0440\u044b)<\/li>\n\n\n\n<li>\u0416\u044b\u043b\u0443\u043c\u0435\u043d \u04e9\u04a3\u0434\u0435\u0443 \u0436\u0430\u0493\u0434\u0430\u0439\u044b<\/li>\n\n\n\n<li>\u0414\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456 \u0441\u043e\u0440\u0442\u0442\u0430\u0440\u0493\u0430 \u0430\u0440\u043d\u0430\u043b\u0493\u0430\u043d \u0434\u04d9\u043d\u0435\u043a\u0435\u0440\u043b\u0435\u0443 \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u0430\u0441\u044b\u043d \u0431\u0430\u0441\u049b\u0430\u0440\u0443 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0442\u0435\u0440\u0456<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_super_duplex_2507_makes_sense\"><\/span><strong>\u0421\u0443\u043f\u0435\u0440 \u0434\u0443\u043f\u043b\u0435\u043a\u0441 2507 \u049b\u0430\u0439 \u0436\u0435\u0440\u0434\u0435 \u043c\u0430\u0493\u044b\u043d\u0430\u043b\u044b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0425\u043b\u043e\u0440\u0438\u0434\u0442\u0435\u0440 \u0436\u043e\u0493\u0430\u0440\u044b \u0431\u043e\u043b\u0493\u0430\u043d \u043a\u0435\u0437\u0434\u0435 \u0441\u0443\u043f\u0435\u0440\u0434\u0443\u043f\u043b\u0435\u043a\u0441 \u0435\u04a3 \u043f\u0430\u0439\u0434\u0430\u043b\u044b, <em>\u0436\u04d9\u043d\u0435<\/em> \u0441\u04d9\u0442\u0441\u0456\u0437\u0434\u0456\u043a\u0442\u0456\u04a3 \u049b\u04b1\u043d\u044b \u0436\u043e\u0493\u0430\u0440\u044b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_%E2%80%9Cyes%E2%80%9D_scenarios\"><\/span><strong>\u04d8\u0434\u0435\u0442\u0442\u0435\u0433\u0456 \u201c\u0438\u04d9\u201d \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0439\u043b\u0435\u0440\u0456<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0422\u0435\u04a3\u0456\u0437 \u0441\u0443\u044b\u043d \u049b\u0430\u0431\u044b\u043b\u0434\u0430\u0443 \u0436\u04d9\u043d\u0435 \u0442\u04b1\u0437\u0434\u044b \u0441\u0443 \u049b\u04b1\u0431\u044b\u0440\u043b\u0430\u0440\u044b (\u0442\u04b1\u0437\u0441\u044b\u0437\u0434\u0430\u043d\u0434\u044b\u0440\u0443)<\/li>\n\n\n\n<li>\u0422\u0435\u04a3\u0456\u0437\u0434\u0435\u0433\u0456 \u04af\u0441\u0442\u0456\u04a3\u0433\u0456 \u049b\u0430\u0431\u0430\u0442\u0442\u0430\u0440, \u0448\u0430\u0448\u044b\u0440\u0430\u0443 \u0430\u0439\u043c\u0430\u049b\u0442\u0430\u0440\u044b \u0436\u04d9\u043d\u0435 \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0456\u04a3 \u0448\u0430\u0439\u044b\u043b\u0443\u044b<\/li>\n\n\n\n<li>\u0425\u043b\u043e\u0440\u0438\u0434\u0442\u0456 \u043e\u0440\u0442\u0430\u043c\u0435\u043d \u0445\u0438\u043c\u0438\u044f\u043b\u044b\u049b \u049b\u044b\u0437\u043c\u0435\u0442 \u043a\u04e9\u0440\u0441\u0435\u0442\u0443<\/li>\n\n\n\n<li>\u0421\u0430\u04a3\u044b\u043b\u0430\u0443 \u049b\u0430\u0443\u043f\u0456 \u0430\u0440\u0442\u0430\u0442\u044b\u043d \u0436\u043e\u0493\u0430\u0440\u044b \u0436\u044b\u043b\u0434\u0430\u043c\u0434\u044b\u049b\u0442\u044b \u0436\u04af\u0439\u0435\u043b\u0435\u0440<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_%E2%80%9Cmaybe%E2%80%9D_scenarios\"><\/span><strong>\u04d8\u0434\u0435\u0442\u0442\u0435\u0433\u0456 \u201c\u043c\u04af\u043c\u043a\u0456\u043d\u201d \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0439\u043b\u0435\u0440\u0456<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0422\u04e9\u043c\u0435\u043d \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0434\u0430\u0493\u044b \u04af\u0437\u0456\u043a-\u04af\u0437\u0456\u043a \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0435\u0440<\/li>\n\n\n\n<li>\u0422\u04b1\u0440\u0430\u049b\u0442\u044b \u0441\u0443 \u0445\u0438\u043c\u0438\u044f\u0441\u044b \u0431\u0430\u0440 \u04af\u0439 \u0456\u0448\u0456\u043d\u0434\u0435\u0433\u0456 \u043a\u043e\u043c\u043c\u0443\u043d\u0430\u043b\u0434\u044b\u049b \u049b\u044b\u0437\u043c\u0435\u0442\u0442\u0435\u0440<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0433\u0435\u0440 \u0441\u0456\u0437\u0434\u0456\u04a3 \u0434\u0438\u0437\u0430\u0439\u043d\u044b\u04a3\u044b\u0437 \u049b\u044b\u0441\u044b\u043c\u0493\u0430 \u043d\u0435\u0433\u0456\u0437\u0434\u0435\u043b\u0433\u0435\u043d \u0431\u043e\u043b\u0441\u0430, \u043c\u044b\u043d\u0430\u043d\u044b \u043e\u049b\u044b\u04a3\u044b\u0437: <a href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/everything-about-high-pressure-valves\/\">\u0416\u043e\u0493\u0430\u0440\u044b \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440 \u0442\u0443\u0440\u0430\u043b\u044b \u0431\u0430\u0440\u043b\u044b\u0493\u044b<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Valve_builds_choices_that_support_the_alloy\"><\/span><strong>\u041a\u043b\u0430\u043f\u0430\u043d \u049b\u043e\u0440\u044b\u0442\u043f\u0430\u043d\u044b \u049b\u043e\u043b\u0434\u0430\u0439\u0442\u044b\u043d \u0442\u0430\u04a3\u0434\u0430\u0443\u043b\u0430\u0440\u0434\u044b \u0436\u0430\u0441\u0430\u0439\u0434\u044b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u049a\u043e\u0440\u044b\u0442\u043f\u0430\u043d\u044b \u0442\u0430\u04a3\u0434\u0430\u0443 \u043a\u04e9\u043c\u0435\u043a\u0442\u0435\u0441\u0435\u0434\u0456, \u0431\u0456\u0440\u0430\u049b \u0434\u0438\u0437\u0430\u0439\u043d \u043c\u0435\u043d \u049b\u04b1\u0436\u0430\u0442\u0442\u0430\u043c\u0430 \u043a\u043b\u0430\u043f\u0430\u043d\u043d\u044b\u04a3 \u0434\u0430\u043b\u0430\u0434\u0430 \u0436\u0430\u049b\u0441\u044b \u0436\u04b1\u043c\u044b\u0441 \u0456\u0441\u0442\u0435\u0439\u0442\u0456\u043d\u0456\u043d \u0430\u043d\u044b\u049b\u0442\u0430\u0439\u0434\u044b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Spec_checks_that_prevent_expensive_surprises\"><\/span><strong>\u049a\u044b\u043c\u0431\u0430\u0442 \u0442\u043e\u0441\u044b\u043d\u0441\u044b\u0439\u043b\u0430\u0440\u0434\u044b\u04a3 \u0430\u043b\u0434\u044b\u043d \u0430\u043b\u0430\u0442\u044b\u043d \u0442\u0435\u0445\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u0442\u0435\u043a\u0441\u0435\u0440\u0443\u043b\u0435\u0440<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0422\u04b1\u0437\u0434\u044b\u049b \u0435\u0440\u0456\u0442\u0456\u043d\u0434\u0456\u0441\u0456\u043c\u0435\u043d \u0436\u04d9\u043d\u0435 \u0442\u0430\u0437\u0430\u043b\u0430\u0493\u044b\u0448 \u0437\u0430\u0442\u0442\u0430\u0440\u043c\u0435\u043d \u043e\u0440\u044b\u043d\u0434\u044b\u049b \u043f\u0435\u043d \u0442\u044b\u0493\u044b\u0437\u0434\u0430\u0493\u044b\u0448\u0442\u044b\u04a3 \u04af\u0439\u043b\u0435\u0441\u0456\u043c\u0434\u0456\u043b\u0456\u0433\u0456<\/li>\n\n\n\n<li>\u0421\u0430\u04a3\u044b\u043b\u0430\u0443\u043b\u0430\u0440\u0434\u044b \u0431\u0430\u049b\u044b\u043b\u0430\u0443 (\u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0438\u044f, \u0434\u0440\u0435\u043d\u0430\u0436, \u0448\u04e9\u0433\u0456\u043d\u0434\u0456\u043b\u0435\u0440)<\/li>\n\n\n\n<li>NDT + \u049b\u044b\u0441\u044b\u043c \u0441\u044b\u043d\u0430\u0493\u044b \u049b\u04b1\u0436\u0430\u0442\u0442\u0430\u043c\u0430\u0441\u044b<\/li>\n\n\n\n<li>\u0416\u044b\u043b\u0443\u043b\u044b\u049b \u043d\u04e9\u043c\u0456\u0440\u0456\u043d\u0435\u043d \u0434\u0430\u0439\u044b\u043d \u043a\u043b\u0430\u043f\u0430\u043d\u0493\u0430 \u0434\u0435\u0439\u0456\u043d \u0431\u0430\u049b\u044b\u043b\u0430\u0443 \u043c\u04af\u043c\u043a\u0456\u043d\u0434\u0456\u0433\u0456<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0433\u0435\u0440 \u0441\u0456\u0437 \u04e9\u043d\u0434\u0456\u0440\u0456\u0441 \u0436\u043e\u043b\u0434\u0430\u0440\u044b\u043d \u0441\u0430\u043b\u044b\u0441\u0442\u044b\u0440\u044b\u043f \u0436\u0430\u0442\u0441\u0430\u04a3\u044b\u0437, \u0441\u043e\u0493\u044b\u043b\u0493\u0430\u043d \u0431\u043e\u043b\u0430\u0442 \u0448\u0430\u0440\u043b\u044b \u043a\u043b\u0430\u043f\u0430\u043d \u0442\u04b1\u0442\u0430\u0441\u0442\u044b\u049b \u043f\u0435\u043d \u049b\u044b\u0441\u044b\u043c \u04e9\u043d\u0456\u043c\u0434\u0456\u043b\u0456\u0433\u0456 \u043c\u0430\u04a3\u044b\u0437\u0434\u044b \u0431\u043e\u043b\u0493\u0430\u043d \u0436\u0430\u0493\u0434\u0430\u0439\u0434\u0430 \u0442\u0438\u0456\u043c\u0434\u0456 \u043d\u04b1\u0441\u049b\u0430 \u0431\u043e\u043b\u0430 \u0430\u043b\u0430\u0434\u044b. \u049a\u0430\u0440\u0430\u04a3\u044b\u0437: <a href=\"https:\/\/www.xintaivalves.com\/kk\/blog\/ball-valve\/forged-ball-valves-vs-casting-ball-valves\/\">\u0421\u043e\u0493\u044b\u043b\u0493\u0430\u043d \u0448\u0430\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440\u044b \u0436\u04d9\u043d\u0435 \u049b\u04b1\u0439\u043c\u0430\u043b\u044b \u0448\u0430\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440\u044b<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u044b\u0441\u0430\u043b \u0440\u0435\u0442\u0456\u043d\u0434\u0435 \u04e9\u043d\u0456\u043c \u0441\u0430\u043d\u0430\u0442\u044b\u043d \u0430\u043b\u0443\u0493\u0430 \u0431\u043e\u043b\u0430\u0434\u044b: <a href=\"https:\/\/www.xintaivalves.com\/kk\/product\/forged-floating-ball-valve\/\">\u0421\u043e\u0493\u044b\u043b\u0493\u0430\u043d \u049b\u0430\u043b\u049b\u044b\u043c\u0430\u043b\u044b \u0448\u0430\u0440\u0438\u043a\u0442\u0456 \u043a\u043b\u0430\u043f\u0430\u043d<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043e\u043d\u044b\u043c\u0435\u043d \u049b\u0430\u0442\u0430\u0440, \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0456 \u0436\u04d9\u043d\u0435 \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u043a\u04e9\u043f \u0436\u04b1\u043c\u044b\u0441 \u04af\u0448\u0456\u043d \u0436\u043e\u0493\u0430\u0440\u044b \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u0448\u0430\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u044b\u043d\u044b\u04a3 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u043b\u0430\u0440\u044b\u043d\u0430 \u0442\u0435\u043a \u049b\u043e\u0440\u044b\u0442\u043f\u0430\u043d\u044b \u0442\u0430\u04a3\u0434\u0430\u0443 \u0493\u0430\u043d\u0430 \u0435\u043c\u0435\u0441, \u043e\u0440\u044b\u043d\u0434\u044b\u049b\u0442\u044b\u04a3 \u0434\u0438\u0437\u0430\u0439\u043d\u044b, \u043a\u043e\u0440\u043f\u0443\u0441\u0442\u044b\u04a3 \u0440\u0435\u0439\u0442\u0438\u043d\u0433\u0456 \u0436\u04d9\u043d\u0435 \u0441\u044b\u043d\u0430\u049b \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u0430\u0440\u044b \u043a\u0456\u0440\u0443\u0456 \u043a\u0435\u0440\u0435\u043a.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>\u0411\u0430\u0442\u044b\u0440 \u04e9\u043d\u0456\u043c\u0456\u043d\u0456\u04a3 \u0435\u0440\u0435\u043a\u0448\u0435\u043b\u0456\u0433\u0456<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins',\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #D70C19;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #D70C19;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.xintaivalves.com\/kk\/ball-valve-collection\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2022\/01\/xt21-300x200.webp\" alt=\"\u0428\u0430\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440\u044b\u043d\u044b\u04a3 \u0436\u0438\u043d\u0430\u0493\u044b\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u0428\u0430\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u0434\u0430\u0440\u044b\u043d\u044b\u04a3 \u0436\u0438\u043d\u0430\u0493\u044b<\/div>\n    <div class=\"hero-description\">\u04e8\u043d\u0435\u0440\u043a\u04d9\u0441\u0456\u043f\u0442\u0456\u043a \u043f\u0430\u0439\u0434\u0430\u043b\u0430\u043d\u0443\u0493\u0430 \u0430\u0440\u043d\u0430\u043b\u0493\u0430\u043d \u0448\u0430\u0440\u0438\u043a\u0442\u0456 \u043a\u043b\u0430\u043f\u0430\u043d \u0442\u043e\u043f\u0442\u0430\u043c\u0430\u043c\u044b\u0437\u0434\u044b \u0437\u0435\u0440\u0442\u0442\u0435\u04a3\u0456\u0437. API \u0436\u04d9\u043d\u0435 ISO \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0431\u0430\u0440, \u049b\u04b1\u0439\u044b\u043b\u0493\u0430\u043d \u0431\u043e\u043b\u0430\u0442\u0442\u0430\u043d, \u0442\u043e\u0442 \u0431\u0430\u0441\u043f\u0430\u0439\u0442\u044b\u043d \u0431\u043e\u043b\u0430\u0442\u0442\u0430\u043d \u0436\u04d9\u043d\u0435 \u0436\u0435\u0437\u0434\u0435\u043d \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d. \u0416\u0430\u04bb\u0430\u043d\u0434\u044b\u049b \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u044c\u044e\u0442\u043e\u0440\u043b\u0430\u0440 \u043c\u0435\u043d OEM \u04af\u0448\u0456\u043d \u04e9\u0442\u0435 \u049b\u043e\u043b\u0430\u0439\u043b\u044b.<\/div>\n    <span class=\"hero-link\">\u04e8\u043d\u0456\u043c\u0434\u0456 \u043a\u04e9\u0440\u0443<\/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>\u049a\u043e\u0440\u044b\u0442\u044b\u043d\u0434\u044b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u0443\u043f\u0435\u0440 \u0434\u0443\u043f\u043b\u0435\u043a\u0441 2507 \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u0445\u043b\u043e\u0440\u0438\u0434 \u049b\u044b\u0437\u043c\u0435\u0442\u0456\u043d\u0434\u0435 \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u044f\u0493\u0430 \u0431\u0430\u0439\u043b\u0430\u043d\u044b\u0441\u0442\u044b \u0430\u049b\u0430\u0443\u043b\u0430\u0440\u0434\u044b \u0430\u0437\u0430\u0439\u0442\u0443 \u04af\u0448\u0456\u043d \u0430\u0440\u043d\u0430\u043b\u0493\u0430\u043d. \u0411\u04b1\u043b \u043c\u04d9\u043d \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u044b \u049b\u043e\u0440\u044b\u0442\u043f\u0430\u043b\u0430\u0440\u0434\u044b \u0437\u0430\u049b\u044b\u043c\u0434\u0430\u0439\u0442\u044b\u043d \u043e\u0440\u0442\u0430\u043b\u0430\u0440\u0434\u0430 \u0430\u0493\u044b\u043f \u043a\u0435\u0442\u0443 \u043e\u049b\u0438\u0493\u0430\u043b\u0430\u0440\u044b\u043d\u044b\u04a3 \u0430\u0437\u0430\u044e\u044b, \u0430\u043f\u0430\u0442\u0442\u044b\u049b \u04e9\u0448\u0456\u0440\u0443\u043b\u0435\u0440\u0434\u0456\u04a3 \u0430\u0437\u0430\u044e\u044b \u0436\u04d9\u043d\u0435 \u0430\u0443\u044b\u0441\u0442\u044b\u0440\u0443 \u0446\u0438\u043a\u043b\u0434\u0435\u0440\u0456\u043d\u0456\u04a3 \u04b1\u0437\u0430\u0493\u044b\u0440\u0430\u049b \u0431\u043e\u043b\u0443\u044b\u043d\u0434\u0430.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0433\u0435\u0440 \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0456\u04a3 \u04d9\u0441\u0435\u0440\u0456 \u049b\u0430\u0439\u0442\u0430\u043b\u0430\u043d\u0430\u0442\u044b\u043d \u0431\u043e\u043b\u0441\u0430, \u0441\u0443\u043f\u0435\u0440\u0434\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456 \u043c\u0430\u0440\u043a\u0430\u043b\u0430\u0440\u0434\u0430 \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d \u0442\u043e\u0442 \u0431\u0430\u0441\u043f\u0430\u0439\u0442\u044b\u043d \u0431\u043e\u043b\u0430\u0442\u0442\u0430\u043d \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d \u0448\u0430\u0440\u043b\u044b \u043a\u043b\u0430\u043f\u0430\u043d \u0442\u04b1\u0437\u0441\u044b\u0437\u0434\u0430\u043d\u0434\u044b\u0440\u0443 \u0436\u04d9\u043d\u0435 \u0442\u0435\u04a3\u0456\u0437\u0434\u0435\u0433\u0456 \u0436\u04b1\u043c\u044b\u0441\u0442\u0430\u0440\u0434\u0430 \u0456\u0441\u0442\u0435\u043d \u0448\u044b\u0493\u0443 \u049b\u0430\u0443\u043f\u0456\u043d \u0430\u0437\u0430\u0439\u0442\u0443\u0434\u044b\u04a3 \u0435\u04a3 \u0442\u0456\u043a\u0435\u043b\u0435\u0439 \u0436\u043e\u043b\u0434\u0430\u0440\u044b\u043d\u044b\u04a3 \u0431\u0456\u0440\u0456 \u0431\u043e\u043b\u044b\u043f \u0442\u0430\u0431\u044b\u043b\u0430\u0434\u044b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Key_Takeaways\"><\/span><strong>3 \u043d\u0435\u0433\u0456\u0437\u0433\u0456 \u043e\u0439<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0425\u043b\u043e\u0440\u0438\u0434\u0442\u0456 SCC \u043a\u0435\u0437\u0434\u0435\u0439\u0441\u043e\u049b \u043e\u049b\u0438\u0493\u0430\u043b\u0430\u0440 \u0435\u043c\u0435\u0441, \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0435\u0440, \u043a\u0435\u0440\u043d\u0435\u0443 \u0436\u04d9\u043d\u0435 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u0446\u0438\u043a\u043b\u0434\u0430\u0440\u044b\u043c\u0435\u043d \u0431\u0430\u0441\u049b\u0430\u0440\u044b\u043b\u0430\u0434\u044b.<\/li>\n\n\n\n<li>PREN \u049b\u043e\u0440\u044b\u0442\u043f\u0430\u043b\u0430\u0440\u0434\u044b \u0442\u0435\u0437 \u0441\u04af\u0437\u0443\u0433\u0435 \u043a\u04e9\u043c\u0435\u043a\u0442\u0435\u0441\u0435\u0434\u0456; \u0441\u0443\u043f\u0435\u0440\u0434\u0443\u043f\u043b\u0435\u043a\u0441\u0442\u0456 \u043c\u0430\u0440\u043a\u0430\u043b\u0430\u0440 \u04d9\u0434\u0435\u0442\u0442\u0435 40-\u0442\u0430\u043d \u0436\u043e\u0493\u0430\u0440\u044b \u0431\u043e\u043b\u0430\u0434\u044b.<\/li>\n\n\n\n<li>\u049a\u043e\u0440\u044b\u0442\u043f\u0430, \u0434\u0438\u0437\u0430\u0439\u043d \u0431\u04e9\u043b\u0448\u0435\u043a\u0442\u0435\u0440\u0456 \u0436\u04d9\u043d\u0435 \u049b\u04b1\u0436\u0430\u0442\u0442\u0430\u043c\u0430 \u049b\u044b\u0437\u043c\u0435\u0442\u043a\u0435 \u0441\u04d9\u0439\u043a\u0435\u0441 \u043a\u0435\u043b\u0433\u0435\u043d\u0434\u0435, \u04b1\u0437\u0430\u049b \u043c\u0435\u0440\u0437\u0456\u043c\u0434\u0456 \u049b\u04b1\u043d\u0434\u044b\u043b\u044b\u049b \u0436\u0430\u049b\u0441\u0430\u0440\u0430\u0434\u044b.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-red-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.xintaivalves.com\/kk\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0411\u0430\u0493\u0430 \u0430\u043b\u0443<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong>\u0416\u0438\u0456 \u049b\u043e\u0439\u044b\u043b\u0430\u0442\u044b\u043d \u0441\u04b1\u0440\u0430\u049b\u0442\u0430\u0440<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_Super_Duplex_2507_used_for\"><\/span><strong>Super Duplex 2507 \u043d\u0435 \u04af\u0448\u0456\u043d \u049b\u043e\u043b\u0434\u0430\u043d\u044b\u043b\u0430\u0434\u044b?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u043b \u04d9\u0434\u0435\u0442\u0442\u0435 \u0442\u0435\u04a3\u0456\u0437 \u0441\u0443\u044b \u0436\u04af\u0439\u0435\u043b\u0435\u0440\u0456 \u0436\u04d9\u043d\u0435 \u0442\u04b1\u0437\u0441\u044b\u0437\u0434\u0430\u043d\u0434\u044b\u0440\u0443 \u049b\u044b\u0437\u043c\u0435\u0442\u0442\u0435\u0440\u0456 \u0441\u0438\u044f\u049b\u0442\u044b \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0435\u0440\u0433\u0435 \u0431\u0430\u0439 \u043e\u0440\u0442\u0430\u043b\u0430\u0440\u0434\u0430 \u049b\u043e\u043b\u0434\u0430\u043d\u044b\u043b\u0430\u0434\u044b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_chloride_stress_corrosion_cracking_SCC\"><\/span><strong>\u0425\u043b\u043e\u0440\u0438\u0434\u0442\u0456 \u0441\u0442\u0440\u0435\u0441\u0441\u0442\u0456\u043a \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u044f\u043b\u044b\u049b \u043a\u0440\u0435\u043a\u0438\u043d\u0433 (\u0425\u041a\u041a) \u0434\u0435\u0433\u0435\u043d\u0456\u043c\u0456\u0437 \u043d\u0435?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0411\u04b1\u043b \u0445\u043b\u043e\u0440\u0438\u0434\u0442\u0456\u04a3 \u04d9\u0441\u0435\u0440\u0456\u043d\u0435\u043d \u0436\u04d9\u043d\u0435 \u0441\u043e\u0437\u044b\u043b\u0443 \u043a\u0435\u0440\u043d\u0435\u0443\u0456\u043d\u0435\u043d \u0442\u0443\u044b\u043d\u0434\u0430\u0439\u0442\u044b\u043d \u0436\u0430\u0440\u044b\u043b\u044b\u0441, \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u043c\u0435\u043d \u0446\u0438\u043a\u043b\u043c\u0435\u043d \u0436\u0435\u0434\u0435\u043b\u0434\u0435\u0439\u0434\u0456.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_higher_PREN_always_mean_no_corrosion\"><\/span><strong>\u0416\u043e\u0493\u0430\u0440\u044b PREN \u04d9\u0440\u049b\u0430\u0448\u0430\u043d \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u044f\u043d\u044b\u04a3 \u0436\u043e\u049b\u0442\u044b\u0493\u044b\u043d \u0431\u0456\u043b\u0434\u0456\u0440\u0435 \u043c\u0435?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0416\u043e\u049b. PREN - \u043e\u0439\u044b\u049b\u0442\u0430\u0440 \u043c\u0435\u043d \u0441\u0430\u04a3\u044b\u043b\u0430\u0443\u043b\u0430\u0440\u0493\u0430 \u0442\u04e9\u0437\u0456\u043c\u0434\u0456\u043b\u0456\u043a \u0431\u043e\u0439\u044b\u043d\u0448\u0430 \u043d\u04b1\u0441\u049b\u0430\u0443\u043b\u044b\u049b. \u04e8\u043d\u0456\u043c\u0434\u0456\u043b\u0456\u043a \u04d9\u043b\u0456 \u0434\u0435 \u0445\u0438\u043c\u0438\u044f\u0493\u0430, \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0493\u0430, \u0448\u04e9\u0433\u0456\u043d\u0434\u0456\u043b\u0435\u0440\u0433\u0435 \u0436\u04d9\u043d\u0435 \u04e9\u043d\u0434\u0456\u0440\u0456\u0441\u0442\u0456 \u0431\u0430\u0441\u049b\u0430\u0440\u0443 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0442\u0435\u0440\u0456\u043d\u0435 \u0431\u0430\u0439\u043b\u0430\u043d\u044b\u0441\u0442\u044b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Is_duplex_always_better_than_standard_stainless\"><\/span><strong>\u0414\u0443\u043f\u043b\u0435\u043a\u0441 \u04d9\u0440\u049b\u0430\u0448\u0430\u043d \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u044b \u0442\u043e\u0442 \u0431\u0430\u0441\u043f\u0430\u0439\u0442\u044b\u043d \u0431\u043e\u043b\u0430\u0442\u0442\u0430\u043d \u0436\u0430\u0441\u0430\u043b\u0493\u0430\u043d \u0431\u04b1\u0439\u044b\u043c\u0434\u0430\u0440\u0493\u0430 \u049b\u0430\u0440\u0430\u0493\u0430\u043d\u0434\u0430 \u0436\u0430\u049b\u0441\u044b \u043c\u0430?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u04d8\u0440\u049b\u0430\u0448\u0430\u043d \u0435\u043c\u0435\u0441. \u0425\u043b\u043e\u0440\u0438\u0434\u0442\u0435\u0440 \u043c\u0435\u043d \u0430\u049b\u0430\u0443\u043b\u044b\u049b \u049b\u04b1\u043d\u044b \u0436\u043e\u0493\u0430\u0440\u044b \u0431\u043e\u043b\u0493\u0430\u043d \u043a\u0435\u0437\u0434\u0435 \u0434\u0443\u043f\u043b\u0435\u043a\u0441 \u0435\u04a3 \u0442\u0438\u0456\u043c\u0434\u0456 \u0431\u043e\u043b\u044b\u043f \u0442\u0430\u0431\u044b\u043b\u0430\u0434\u044b. \u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u044b \u0441\u043e\u0440\u0442\u0442\u0430\u0440 \u043e\u0440\u0442\u0430\u0448\u0430 \u049b\u044b\u0437\u043c\u0435\u0442 \u043a\u04e9\u0440\u0441\u0435\u0442\u0443\u0434\u0435 \u0436\u0430\u049b\u0441\u044b \u0431\u043e\u043b\u0443\u044b \u043c\u04af\u043c\u043a\u0456\u043d.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_should_buyers_request_on_the_PO_to_control_risk\"><\/span><strong>\u0422\u04d9\u0443\u0435\u043a\u0435\u043b\u0434\u0456 \u0431\u0430\u049b\u044b\u043b\u0430\u0443 \u04af\u0448\u0456\u043d \u0441\u0430\u0442\u044b\u043f \u0430\u043b\u0443\u0448\u044b\u043b\u0430\u0440 \u0441\u0430\u0442\u044b\u043f \u0430\u043b\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u043d\u0435 \u0441\u04b1\u0440\u0430\u0443\u044b \u043a\u0435\u0440\u0435\u043a?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MTC, \u0436\u044b\u043b\u0443 \u0441\u0430\u043d\u044b\u043d \u0431\u0430\u049b\u044b\u043b\u0430\u0443, \u0441\u044b\u043d\u0430\u049b \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u0430\u0440\u044b, NDT \u0442\u0430\u043b\u0430\u043f\u0442\u0430\u0440\u044b \u0436\u04d9\u043d\u0435 \u043c\u04e9\u043b\u0434\u0456\u0440 \u043e\u0440\u044b\u043d\u0434\u044b\u049b\/\u0442\u044b\u0493\u044b\u0437\u0434\u0430\u0493\u044b\u0448 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044b\u043d\u044b\u04a3 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u043b\u0430\u0440\u044b.<\/p>","protected":false},"excerpt":{"rendered":"<p>Chlorides are hard on valves. They can sit in tight gaps, build up under deposits, and slowly create the kind of damage that leads to leaks and unplanned shutdowns. If your system handles seawater, brine, or frequent washdown, your alloy choice directly affects outage risk and maintenance workload. A stainless steel ball valve in standard [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14667,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[306],"tags":[],"class_list":["post-14666","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-science"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/posts\/14666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/comments?post=14666"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/posts\/14666\/revisions"}],"predecessor-version":[{"id":14724,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/posts\/14666\/revisions\/14724"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/media\/14667"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/media?parent=14666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/categories?post=14666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/kk\/wp-json\/wp\/v2\/tags?post=14666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}