{"id":4097,"date":"2026-01-13T09:00:00","date_gmt":"2026-01-13T09:00:00","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=4097"},"modified":"2026-02-06T03:44:35","modified_gmt":"2026-02-06T03:44:35","slug":"ppr-pipe-wall-thickness-sdr-vs-pn","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","title":{"rendered":"SDR \u0436\u04d9\u043d\u0435 PN \u049b\u0430\u0442\u044b\u043d\u0430\u0441\u044b\u043d \u0442\u04af\u0441\u0456\u043d\u0443: \u04e8\u043d\u0435\u0440\u043a\u04d9\u0441\u0456\u043f\u0442\u0456\u043a \u043c\u0430\u049b\u0441\u0430\u0442\u0442\u0430 \u049b\u043e\u043b\u0434\u0430\u043d\u0443\u0493\u0430 \u0430\u0440\u043d\u0430\u043b\u0493\u0430\u043d \u0434\u04b1\u0440\u044b\u0441 PPR \u049b\u04b1\u0431\u044b\u0440 \u049b\u0430\u0431\u044b\u0440\u0493\u0430\u0441\u044b\u043d\u044b\u04a3 \u049b\u0430\u043b\u044b\u04a3\u0434\u044b\u0493\u044b\u043d \u0442\u0430\u04a3\u0434\u0430\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\u044b\u043f \u049b\u043e\u0441\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.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Why_SDR_and_PN_Are_Not_Interchangeable\" >\u041d\u0435\u043b\u0456\u043a\u0442\u0435\u043d SDR \u0436\u04d9\u043d\u0435 PN \u0431\u0456\u0440-\u0431\u0456\u0440\u0456\u043d \u0430\u043b\u043c\u0430\u0441\u0442\u044b\u0440\u043c\u0430\u0439\u0434\u044b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Selecting_Based_on_Operating_Conditions\" >\u0416\u04b1\u043c\u044b\u0441 \u0436\u0430\u0493\u0434\u0430\u0439\u043b\u0430\u0440\u044b\u043d\u0430 \u043d\u0435\u0433\u0456\u0437\u0434\u0435\u043b\u0433\u0435\u043d \u0442\u0430\u04a3\u0434\u0430\u0443<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Temperature_Derating\" >\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u043d\u044b \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0442\u0443<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Surge_Pressure_and_Water_Hammer\" >\u049a\u044b\u0441\u044b\u043c\u043d\u044b\u04a3 \u043a\u04af\u0440\u0442 \u04e9\u0437\u0433\u0435\u0440\u0443\u0456 \u0436\u04d9\u043d\u0435 \u0441\u0443 \u0431\u0430\u043b\u0493\u0430\u0441\u044b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Chemical_and_Mechanical_Factors\" >\u0425\u0438\u043c\u0438\u044f\u043b\u044b\u049b \u0436\u04d9\u043d\u0435 \u043c\u0435\u0445\u0430\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u0444\u0430\u043a\u0442\u043e\u0440\u043b\u0430\u0440<\/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.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Common_Selection_Errors\" >\u0422\u0430\u04a3\u0434\u0430\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u0436\u0438\u0456 \u043a\u0435\u0437\u0434\u0435\u0441\u0435\u0442\u0456\u043d \u049b\u0430\u0442\u0435\u043b\u0456\u043a\u0442\u0435\u0440<\/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.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Mismatching_Components_Across_SDR_Classes\" >SDR \u043a\u043b\u0430\u0441\u0442\u0430\u0440\u044b \u0431\u043e\u0439\u044b\u043d\u0448\u0430 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0442\u0435\u0440\u0434\u0456\u04a3 \u0441\u04d9\u0439\u043a\u0435\u0441 \u043a\u0435\u043b\u043c\u0435\u0443\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.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Specifying_by_PN_Without_Checking_Temperature\" >\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u043d\u044b \u0442\u0435\u043a\u0441\u0435\u0440\u043c\u0435\u0439 PN \u0430\u0440\u049b\u044b\u043b\u044b \u043a\u04e9\u0440\u0441\u0435\u0442\u0443<\/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.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Applying_Standard_Fusion_Parameters_to_Thick-Walled_Pipe\" >\u049a\u0430\u043b\u044b\u04a3 \u049b\u0430\u0431\u044b\u0440\u0493\u0430\u043b\u044b \u049b\u04b1\u0431\u044b\u0440\u0493\u0430 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u044b \u0431\u0430\u043b\u049b\u044b\u0442\u0443 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043b\u0435\u0440\u0456\u043d \u049b\u043e\u043b\u0434\u0430\u043d\u0443<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Ignoring_Thermal_Expansion_in_Hot_Systems\" >\u042b\u0441\u0442\u044b\u049b \u0436\u04af\u0439\u0435\u043b\u0435\u0440\u0434\u0435\u0433\u0456 \u0436\u044b\u043b\u0443\u043b\u044b\u049b \u043a\u0435\u04a3\u0435\u044e\u0434\u0456 \u0435\u0441\u043a\u0435\u0440\u043c\u0435\u0443<\/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.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#DESOs_Manufacturing_Precision_and_Project_Experience\" >DESO \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f\u0441\u044b\u043d\u044b\u04a3 \u04e9\u043d\u0434\u0456\u0440\u0456\u0441\u0442\u0456\u043a \u0434\u04d9\u043b\u0434\u0456\u0433\u0456 \u0436\u04d9\u043d\u0435 \u0436\u043e\u0431\u0430\u043b\u044b\u049b \u0442\u04d9\u0436\u0456\u0440\u0438\u0431\u0435\u0441\u0456<\/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.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#What_This_Means_for_Specification\" >\u0411\u04b1\u043b \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430 \u04af\u0448\u0456\u043d \u043d\u0435\u043d\u0456 \u0431\u0456\u043b\u0434\u0456\u0440\u0435\u0434\u0456<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">SDR \u049b\u0430\u0431\u044b\u0440\u0493\u0430 \u049b\u0430\u043b\u044b\u04a3\u0434\u044b\u0493\u044b\u043d \u049b\u04b1\u0431\u044b\u0440 \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u0456\u043d\u0435 \u049b\u0430\u0442\u044b\u0441\u0442\u044b \u04e9\u043b\u0448\u0435\u0439\u0434\u0456. PN \u0441\u0456\u0437\u0433\u0435 20\u00b0C \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0434\u0430\u0493\u044b \u049b\u044b\u0441\u044b\u043c \u0434\u0435\u04a3\u0433\u0435\u0439\u0456\u043d \u043a\u04e9\u0440\u0441\u0435\u0442\u0435\u0434\u0456. \u04e8\u043d\u0435\u0440\u043a\u04d9\u0441\u0456\u043f\u0442\u0456\u043a PPR \u0436\u04af\u0439\u0435\u043b\u0435\u0440\u0456 \u04af\u0448\u0456\u043d \u0434\u04b1\u0440\u044b\u0441 \u0441\u0430\u043d\u0442\u0435\u0445\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u049b\u0430\u0431\u044b\u0440\u0493\u0430 \u049b\u0430\u043b\u044b\u04a3\u0434\u044b\u0493\u044b\u043d \u0442\u0430\u04a3\u0434\u0430\u0443 \u049b\u04b1\u0431\u044b\u0440 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u043b\u0430\u0440\u044b\u043d \u0441\u04b1\u0439\u044b\u049b\u0442\u044b\u049b \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0441\u044b \u043c\u0435\u043d \u049b\u044b\u0441\u044b\u043c\u043d\u044b\u04a3 \u0436\u043e\u0493\u0430\u0440\u044b\u043b\u0430\u0443\u044b \u0441\u0438\u044f\u049b\u0442\u044b \u0436\u04b1\u043c\u044b\u0441 \u0436\u0430\u0493\u0434\u0430\u0439\u043b\u0430\u0440\u044b\u043d\u0430 \u0441\u04d9\u0439\u043a\u0435\u0441\u0442\u0435\u043d\u0434\u0456\u0440\u0443\u0433\u0435 \u0431\u0430\u0439\u043b\u0430\u043d\u044b\u0441\u0442\u044b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_SDR_and_PN_Are_Not_Interchangeable\"><\/span><strong>\u041d\u0435\u043b\u0456\u043a\u0442\u0435\u043d SDR \u0436\u04d9\u043d\u0435 PN \u0431\u0456\u0440-\u0431\u0456\u0440\u0456\u043d \u0430\u043b\u043c\u0430\u0441\u0442\u044b\u0440\u043c\u0430\u0439\u0434\u044b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0418\u043d\u0436\u0435\u043d\u0435\u0440\u043b\u0435\u0440 \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 SDR \u0436\u04d9\u043d\u0435 PN-\u0434\u0456 \u0431\u0456\u0440\u0434\u0435\u0439 \u043d\u04d9\u0440\u0441\u0435 \u0434\u0435\u043f \u0441\u0430\u043d\u0430\u0439\u0434\u044b, \u0431\u0456\u0440\u0430\u049b \u043e\u043b\u0430\u0439 \u0435\u043c\u0435\u0441.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SDR (\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u044b \u04e9\u043b\u0448\u0435\u043c \u049b\u0430\u0442\u044b\u043d\u0430\u0441\u044b)<\/strong> \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0438\u044f. \u0411\u04b1\u043b \u0441\u044b\u0440\u0442\u049b\u044b \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u0434\u0456\u04a3 \u049b\u0430\u0431\u044b\u0440\u0493\u0430 \u049b\u0430\u043b\u044b\u04a3\u0434\u044b\u0493\u044b\u043d\u0430 \u049b\u0430\u0442\u044b\u043d\u0430\u0441\u044b (SDR = D\/s). \u0422\u04e9\u043c\u0435\u043d SDR \u0441\u0430\u043d\u044b \u049b\u04b1\u0431\u044b\u0440 \u04e9\u043b\u0448\u0435\u043c\u0456\u043d\u0435 \u049b\u0430\u0442\u044b\u0441\u0442\u044b \u049b\u0430\u0431\u044b\u0440\u0493\u0430\u043d\u044b\u04a3 \u049b\u0430\u043b\u044b\u04a3\u0434\u044b\u0493\u044b\u043d \u0431\u0456\u043b\u0434\u0456\u0440\u0435\u0434\u0456.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PN (\u049a\u044b\u0441\u044b\u043c\u043d\u044b\u04a3 \u043d\u043e\u043c\u0438\u043d\u0430\u043b\u0434\u044b \u043c\u04d9\u043d\u0456)<\/strong> \u0431\u0435\u043b\u0433\u0456\u043b\u0456 \u0431\u0456\u0440 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0434\u0430\u0493\u044b \u04e9\u043d\u0456\u043c\u0434\u0456\u043b\u0456\u043a. \u041e\u043b \u049b\u04b1\u0431\u044b\u0440\u0434\u044b\u04a3 50 \u0436\u044b\u043b\u0434\u044b\u049b \u049b\u044b\u0437\u043c\u0435\u0442 \u0435\u0442\u0443 \u043c\u0435\u0440\u0437\u0456\u043c\u0456 \u0456\u0448\u0456\u043d\u0434\u0435 20\u00b0C \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0434\u0430 \u043a\u04e9\u0442\u0435\u0440\u0435 \u0430\u043b\u0430\u0442\u044b\u043d \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u0434\u044b \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u0431\u0430\u0440\u043c\u0435\u043d \u043a\u04e9\u0440\u0441\u0435\u0442\u0435\u0434\u0456. PN20 PPR \u049b\u04b1\u0431\u044b\u0440\u044b \u0442\u0435\u043a \u0431\u04e9\u043b\u043c\u0435 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0441\u044b\u043d\u0434\u0430 20 \u0431\u0430\u0440\u0493\u0430 \u0435\u0441\u0435\u043f\u0442\u0435\u043b\u0433\u0435\u043d.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"304\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN.webp\" alt=\"\" class=\"wp-image-4099\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN.webp 532w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-500x286.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-300x171.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-131x75.webp 131w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-480x274.webp 480w\" sizes=\"auto, (max-width:767px) 480px, 532px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">SDR \u0442\u04e9\u043c\u0435\u043d \u0431\u043e\u043b\u0441\u0430, \u049b\u0430\u0431\u044b\u0440\u0493\u0430\u043b\u0430\u0440\u0434\u044b\u04a3 \u049b\u0430\u043b\u044b\u04a3\u0434\u044b\u0493\u044b \u0436\u04d9\u043d\u0435 \u049b\u044b\u0441\u044b\u043c \u04e9\u0442\u043a\u0456\u0437\u0443 \u049b\u0430\u0431\u0456\u043b\u0435\u0442\u0456 \u0436\u043e\u0493\u0430\u0440\u044b \u0431\u043e\u043b\u0430\u0434\u044b. SDR 6 \u043d\u043e\u043c\u0438\u043d\u0430\u043b\u0434\u044b SDR \u049b\u04b1\u0431\u044b\u0440\u044b SDR 11 \u043d\u043e\u043c\u0438\u043d\u0430\u043b\u0434\u044b \u049b\u04b1\u0431\u044b\u0440\u0493\u0430 \u049b\u0430\u0440\u0430\u0493\u0430\u043d\u0434\u0430 \u043a\u04e9\u0431\u0456\u0440\u0435\u043a \u049b\u044b\u0441\u044b\u043c\u0493\u0430 \u0442\u04e9\u0442\u0435\u043f \u0431\u0435\u0440\u0435\u0434\u0456. \u0411\u0456\u0440\u0430\u049b PN \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u043c\u0435\u043d \u04e9\u0437\u0433\u0435\u0440\u0435\u0434\u0456, \u0430\u043b SDR \u0442\u04b1\u0440\u0430\u049b\u0442\u044b \u0431\u043e\u043b\u044b\u043f \u049b\u0430\u043b\u0430\u0434\u044b.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>SDR \u043a\u043b\u0430\u0441\u044b<\/strong><\/td><td><strong>PN \u0440\u0435\u0439\u0442\u0438\u043d\u0433\u0456<\/strong><\/td><td><strong>\u049a\u0430\u0431\u044b\u0440\u0493\u0430\u0441\u044b\u043d\u044b\u04a3 \u049b\u0430\u043b\u044b\u04a3\u0434\u044b\u0493\u044b<\/strong><\/td><td><strong>\u041d\u0435\u0433\u0456\u0437\u0433\u0456 \u04e9\u043d\u0435\u0440\u043a\u04d9\u0441\u0456\u043f\u0442\u0456\u043a \u049b\u043e\u043b\u0434\u0430\u043d\u044b\u0441<\/strong><\/td><\/tr><tr><td>SDR 11<\/td><td>PN10<\/td><td>\u0416\u0456\u04a3\u0456\u0448\u043a\u0435<\/td><td>\u0421\u0443\u044b\u049b \u0441\u0443 \u0442\u0430\u0441\u044b\u043c\u0430\u043b\u0434\u0430\u0443, \u0442\u04e9\u043c\u0435\u043d \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u0434\u0440\u0435\u043d\u0430\u0436<\/td><\/tr><tr><td>SDR 7.4<\/td><td>PN16<\/td><td>\u041e\u0440\u0442\u0430\u0448\u0430<\/td><td>\u0421\u044b\u0493\u044b\u043b\u0493\u0430\u043d \u0430\u0443\u0430, \u043e\u0440\u0442\u0430\u0448\u0430 \u044b\u0441\u0442\u044b\u049b \u0441\u0443<\/td><\/tr><tr><td>SDR 6<\/td><td>PN20<\/td><td>\u049a\u0430\u043b\u044b\u04a3<\/td><td>\u0416\u043e\u0493\u0430\u0440\u044b \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u044b\u0441\u0442\u044b\u049b \u0441\u0443, \u04e9\u043d\u0435\u0440\u043a\u04d9\u0441\u0456\u043f\u0442\u0456\u043a \u0441\u0430\u043b\u049b\u044b\u043d\u0434\u0430\u0442\u0443<\/td><\/tr><tr><td>SDR 5<\/td><td>PN25<\/td><td>\u04e8\u0442\u0435 \u049b\u0430\u043b\u044b\u04a3<\/td><td>\u0425\u0438\u043c\u0438\u044f\u043b\u044b\u049b \u04e9\u04a3\u0434\u0435\u0443, \u049b\u0430\u0437\u0430\u043d\u0434\u044b\u049b \u049b\u043e\u0440\u0435\u043a\u0442\u0435\u0440\u0456<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">DESO <a href=\"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-sizes-and-specifications-guide-for-buyer\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u04e9\u043b\u0448\u0435\u043c\u0434\u0435\u0440\u0456 \u043c\u0435\u043d \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u043b\u0430\u0440\u044b \u0431\u043e\u0439\u044b\u043d\u0448\u0430 \u043d\u04b1\u0441\u049b\u0430\u0443\u043b\u044b\u049b<\/a> \u0431\u0430\u0440\u043b\u044b\u049b SDR \u043a\u043b\u0430\u0441\u0442\u0430\u0440\u044b \u0431\u043e\u0439\u044b\u043d\u0448\u0430 PPR \u049b\u04b1\u0431\u044b\u0440\u043b\u0430\u0440\u044b\u043d\u044b\u04a3 \u04e9\u043b\u0448\u0435\u043c\u0434\u0435\u0440\u0456\u043d \u0442\u0456\u0437\u0456\u043c\u0434\u0435\u0439\u0434\u0456.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Selecting_Based_on_Operating_Conditions\"><\/span><strong>\u0416\u04b1\u043c\u044b\u0441 \u0436\u0430\u0493\u0434\u0430\u0439\u043b\u0430\u0440\u044b\u043d\u0430 \u043d\u0435\u0433\u0456\u0437\u0434\u0435\u043b\u0433\u0435\u043d \u0442\u0430\u04a3\u0434\u0430\u0443<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u0430\u0442\u0430\u043b\u043e\u0433\u0442\u044b\u049b \u0440\u0435\u0439\u0442\u0438\u043d\u0433\u0442\u0435\u0440 20\u00b0C \u0436\u04d9\u043d\u0435 \u0442\u04b1\u0440\u0430\u049b\u0442\u044b \u0430\u0493\u044b\u043d\u0434\u044b \u0431\u043e\u043b\u0436\u0430\u0439\u0434\u044b. \u04e8\u043d\u0435\u0440\u043a\u04d9\u0441\u0456\u043f\u0442\u0456\u043a \u0436\u04af\u0439\u0435\u043b\u0435\u0440 \u044b\u0441\u0442\u044b\u049b\u044b\u0440\u0430\u049b \u0436\u04b1\u043c\u044b\u0441 \u0456\u0441\u0442\u0435\u0439\u0434\u0456 \u0436\u04d9\u043d\u0435 \u043a\u0430\u0442\u0430\u043b\u043e\u0433 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u043b\u0430\u0440\u044b\u043d\u0434\u0430 \u0435\u0441\u043a\u0435\u0440\u0456\u043b\u043c\u0435\u0433\u0435\u043d \u049b\u044b\u0441\u044b\u043c\u043d\u044b\u04a3 \u043a\u04af\u0440\u0442 \u043a\u04e9\u0442\u0435\u0440\u0456\u043b\u0443\u0456\u043d \u0431\u0430\u0439\u049b\u0430\u0439\u0434\u044b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Temperature_Derating\"><\/span><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u043d\u044b \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0442\u0443<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-flow-rate-reduce-pressure-loss-in-buildings\/\" target=\"_blank\" rel=\"noreferrer noopener\">ppr \u049b\u04b1\u0431\u044b\u0440\u044b\u043d\u044b\u04a3 \u049b\u044b\u0441\u044b\u043c \u043a\u04e9\u0440\u0441\u0435\u0442\u043a\u0456\u0448\u0456<\/a> \u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u043a\u04e9\u0442\u0435\u0440\u0456\u043b\u0433\u0435\u043d \u0441\u0430\u0439\u044b\u043d \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0439\u0434\u0456. 20\u00b0C \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0434\u0430 20 \u0431\u0430\u0440\u0493\u0430 \u0430\u0440\u043d\u0430\u043b\u0493\u0430\u043d PN20 \u049b\u04b1\u0431\u044b\u0440\u044b 70\u00b0C \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0434\u0430 10,8 \u0431\u0430\u0440\u0493\u0430 \u0434\u0435\u0439\u0456\u043d \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0439\u0434\u0456. 80\u00b0C \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0434\u0430 \u043e\u043b \u0442\u0435\u043a 8 \u0431\u0430\u0440\u0493\u0430 \u0442\u04e9\u0442\u0435\u043f \u0431\u0435\u0440\u0435\u0434\u0456.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430<\/strong><\/td><td><strong>PN20 \u043d\u0430\u049b\u0442\u044b \u0441\u044b\u0439\u044b\u043c\u0434\u044b\u043b\u044b\u0493\u044b<\/strong><\/td><td><strong>PN25 \u043d\u0430\u049b\u0442\u044b \u0441\u044b\u0439\u044b\u043c\u0434\u044b\u043b\u044b\u0493\u044b<\/strong><\/td><\/tr><tr><td>20\u00b0C<\/td><td>20 \u0431\u0430\u0440<\/td><td>25 \u0431\u0430\u0440<\/td><\/tr><tr><td>60\u00b0C<\/td><td>12,5 \u0431\u0430\u0440<\/td><td>15,6 \u0431\u0430\u0440<\/td><\/tr><tr><td>70\u00b0C<\/td><td>10,8 \u0431\u0430\u0440<\/td><td>13,5 \u0431\u0430\u0440<\/td><\/tr><tr><td>80\u00b0C<\/td><td>8,0 \u0431\u0430\u0440<\/td><td>10,0 \u0431\u0430\u0440<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Surge_Pressure_and_Water_Hammer\"><\/span><strong>\u049a\u044b\u0441\u044b\u043c\u043d\u044b\u04a3 \u043a\u04af\u0440\u0442 \u04e9\u0437\u0433\u0435\u0440\u0443\u0456 \u0436\u04d9\u043d\u0435 \u0441\u0443 \u0431\u0430\u043b\u0493\u0430\u0441\u044b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u04e8\u043d\u0435\u0440\u043a\u04d9\u0441\u0456\u043f\u0442\u0456\u043a \u0441\u043e\u0440\u0493\u044b\u043b\u0430\u0440 \u0456\u0441\u043a\u0435 \u049b\u043e\u0441\u0443 \u0436\u04d9\u043d\u0435 \u043a\u043b\u0430\u043f\u0430\u043d \u0436\u0430\u0431\u044b\u043b\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u0433\u0438\u0434\u0440\u0430\u0432\u043b\u0438\u043a\u0430\u043b\u044b\u049b \u0441\u043e\u049b\u049b\u044b \u0442\u0443\u0434\u044b\u0440\u0430\u0434\u044b. 12 \u0431\u0430\u0440 \u0442\u04b1\u0440\u0430\u049b\u0442\u044b \u043a\u04af\u0439\u0434\u0435 \u0436\u04b1\u043c\u044b\u0441 \u0456\u0441\u0442\u0435\u0439\u0442\u0456\u043d \u0436\u04af\u0439\u0435\u0434\u0435 18 \u0431\u0430\u0440\u043b\u044b\u049b \u0441\u0435\u043a\u0456\u0440\u0443\u043b\u0435\u0440 \u0431\u043e\u043b\u0443\u044b \u043c\u04af\u043c\u043a\u0456\u043d.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u0443 \u0431\u0430\u043b\u0493\u0430\u0441\u044b\u043d\u0430 \u0431\u0435\u0439\u0456\u043c \u0436\u04af\u0439\u0435\u043b\u0435\u0440 \u04af\u0448\u0456\u043d SDR \u0442\u0430\u04a3\u0434\u0430\u0493\u0430\u043d \u043a\u0435\u0437\u0434\u0435 50% \u049b\u0430\u0443\u0456\u043f\u0441\u0456\u0437\u0434\u0456\u043a \u0448\u0435\u0433\u0456\u043d \u049b\u043e\u0441\u044b\u04a3\u044b\u0437. SDR 6 \u043d\u0435\u043c\u0435\u0441\u0435 SDR 5 \u0431\u0430\u0440 \u0436\u043e\u0493\u0430\u0440\u044b \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u043f\u043b\u0430\u0441\u0442\u0438\u043a\u0430\u043b\u044b\u049b \u049b\u04b1\u0431\u044b\u0440 \u0436\u04b1\u049b\u0430 \u049b\u0430\u0431\u044b\u0440\u0493\u0430\u043b\u0430\u0440\u0434\u044b \u0436\u0430\u0440\u044b\u043f \u0436\u0456\u0431\u0435\u0440\u0435\u0442\u0456\u043d \u04e9\u0442\u043f\u0435\u043b\u0456 \u0442\u0456\u043a\u0435\u043d\u0435\u043a\u0442\u0435\u0440\u0434\u0456 \u0441\u0456\u04a3\u0456\u0440\u0435\u0434\u0456.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chemical_and_Mechanical_Factors\"><\/span><strong>\u0425\u0438\u043c\u0438\u044f\u043b\u044b\u049b \u0436\u04d9\u043d\u0435 \u043c\u0435\u0445\u0430\u043d\u0438\u043a\u0430\u043b\u044b\u049b \u0444\u0430\u043a\u0442\u043e\u0440\u043b\u0430\u0440<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0410\u0433\u0440\u0435\u0441\u0441\u0438\u0432\u0442\u0456 \u0445\u0438\u043c\u0438\u044f\u043b\u044b\u049b \u0437\u0430\u0442\u0442\u0430\u0440 \u049b\u04b1\u0431\u044b\u0440\u0434\u044b\u04a3 \u0456\u0448\u043a\u0456 \u0431\u0435\u0442\u0456\u043d \u0443\u0430\u049b\u044b\u0442 \u04e9\u0442\u0435 \u043a\u0435\u043b\u0435 \u0431\u04b1\u0437\u0430\u0434\u044b. \u049a\u0430\u043b\u044b\u04a3 \u049b\u0430\u0431\u044b\u0440\u0493\u0430\u043b\u0430\u0440 (\u0442\u04e9\u043c\u0435\u043d\u0433\u0456 SDR) \u0445\u0438\u043c\u0438\u044f\u043b\u044b\u049b \u0437\u0430\u0442\u0442\u0430\u0440\u0434\u044b \u0442\u0430\u0441\u044b\u043c\u0430\u043b\u0434\u0430\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u049b\u044b\u0437\u043c\u0435\u0442 \u0435\u0442\u0443 \u043c\u0435\u0440\u0437\u0456\u043c\u0456\u043d \u04b1\u0437\u0430\u0440\u0442\u0430\u0442\u044b\u043d \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u044f\u0493\u0430 \u0442\u04e9\u0437\u0456\u043c\u0434\u0456\u043b\u0456\u043a\u0442\u0456 \u049b\u0430\u043c\u0442\u0430\u043c\u0430\u0441\u044b\u0437 \u0435\u0442\u0435\u0434\u0456.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u0456\u0440\u0456\u043b \u0436\u04d9\u043d\u0435 \u0441\u044b\u0440\u0442\u049b\u044b \u04d9\u0441\u0435\u0440 SDR-\u0434\u0456\u04a3 \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0443\u0456\u043d\u0435 \u044b\u049b\u043f\u0430\u043b \u0435\u0442\u0435\u0434\u0456. \u049a\u043e\u0441\u044b\u043b\u0493\u0430\u043d \u049b\u0430\u0442\u0442\u044b\u043b\u044b\u049b \u0436\u04b1\u049b\u0430 \u049b\u04b1\u0431\u044b\u0440\u0434\u044b\u04a3 \u0436\u0430\u0440\u044b\u043b\u0443\u044b\u043d\u0430 \u04d9\u043a\u0435\u043b\u0435\u0442\u0456\u043d \u0434\u0435\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f\u043d\u044b\u04a3 \u0430\u043b\u0434\u044b\u043d \u0430\u043b\u0430\u0434\u044b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO <a href=\"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/select-ppr-pipe-in-different-conditions\/\">\u04e9\u0442\u0456\u043d\u0456\u043c\u0434\u0456 \u0442\u0430\u04a3\u0434\u0430\u0443 \u0431\u043e\u0439\u044b\u043d\u0448\u0430 \u043d\u04b1\u0441\u049b\u0430\u0443\u043b\u044b\u049b<\/a> \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u043d\u044b\u04a3, \u049b\u044b\u0441\u044b\u043c\u043d\u044b\u04a3 \u0436\u04d9\u043d\u0435 \u0441\u04b1\u0439\u044b\u049b\u0442\u044b\u049b \u0442\u04af\u0440\u0456\u043d\u0456\u04a3 PPR \u049b\u04b1\u0431\u044b\u0440\u044b\u043d\u044b\u04a3 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u0441\u044b\u043d\u0430 \u049b\u0430\u043b\u0430\u0439 \u04d9\u0441\u0435\u0440 \u0435\u0442\u0435\u0442\u0456\u043d\u0456\u043d \u049b\u0430\u0440\u0430\u0441\u0442\u044b\u0440\u0430\u0434\u044b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Selection_Errors\"><\/span><strong>\u0422\u0430\u04a3\u0434\u0430\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u0436\u0438\u0456 \u043a\u0435\u0437\u0434\u0435\u0441\u0435\u0442\u0456\u043d \u049b\u0430\u0442\u0435\u043b\u0456\u043a\u0442\u0435\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=\"Mismatching_Components_Across_SDR_Classes\"><\/span><strong>SDR \u043a\u043b\u0430\u0441\u0442\u0430\u0440\u044b \u0431\u043e\u0439\u044b\u043d\u0448\u0430 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0442\u0435\u0440\u0434\u0456\u04a3 \u0441\u04d9\u0439\u043a\u0435\u0441 \u043a\u0435\u043b\u043c\u0435\u0443\u0456<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PN20 \u049b\u04b1\u0431\u044b\u0440\u044b\u043d\u0430 PN10 \u0444\u0438\u0442\u0438\u043d\u0433\u0442\u0435\u0440\u0456\u043d \u043e\u0440\u043d\u0430\u0442\u0443 \u043a\u0435\u0434\u0435\u0440\u0433\u0456 \u0442\u0443\u0434\u044b\u0440\u0430\u0434\u044b. \u0415\u043d\u0434\u0456 \u0431\u04af\u043a\u0456\u043b \u0436\u0435\u043b\u0456 PN10 \u04af\u0448\u0456\u043d \u0435\u0441\u0435\u043f\u0442\u0435\u043b\u0435\u0434\u0456, \u0441\u0435\u0431\u0435\u0431\u0456 \u0435\u04a3 \u04d9\u043b\u0441\u0456\u0437 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 \u0448\u0435\u043a\u0442\u0456 \u043e\u0440\u043d\u0430\u0442\u0430\u0434\u044b. \u0424\u0438\u0442\u0438\u043d\u0433\u0442\u0435\u0440 \u0430\u043b\u0434\u044b\u043c\u0435\u043d \u0456\u0441\u0442\u0435\u043d \u0448\u044b\u0493\u0430\u0434\u044b, \u043a\u04e9\u0431\u0456\u043d\u0435\u0441\u0435 \u049b\u0430\u043b\u044b\u043f\u0442\u044b \u0436\u04b1\u043c\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u0436\u0430\u0440\u044b\u043b\u044b\u043f \u043a\u0435\u0442\u0435\u0434\u0456.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Specifying_by_PN_Without_Checking_Temperature\"><\/span><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u043d\u044b \u0442\u0435\u043a\u0441\u0435\u0440\u043c\u0435\u0439 PN \u0430\u0440\u049b\u044b\u043b\u044b \u043a\u04e9\u0440\u0441\u0435\u0442\u0443<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0433\u0435\u0440 \u0436\u04b1\u043c\u044b\u0441 \u049b\u044b\u0441\u044b\u043c\u044b 10 \u0431\u0430\u0440\u0434\u0430\u043d \u0442\u04e9\u043c\u0435\u043d \u0431\u043e\u043b\u0441\u0430, \u04af\u0437\u0434\u0456\u043a\u0441\u0456\u0437 \u044b\u0441\u0442\u044b\u049b \u0441\u0443\u043c\u0435\u043d \u049b\u0430\u043c\u0442\u0430\u043c\u0430\u0441\u044b\u0437 \u0435\u0442\u0443 \u04af\u0448\u0456\u043d SDR 11 (PN10) \u043f\u0430\u0439\u0434\u0430\u043b\u0430\u043d\u0443 \u0436\u0435\u0442\u043a\u0456\u043b\u0456\u043a\u0442\u0456 \u0431\u043e\u043b\u044b\u043f \u043a\u04e9\u0440\u0456\u043d\u0435\u0434\u0456. \u0411\u0456\u0440\u0430\u049b 70\u00b0C \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0434\u0430 \u0441\u043e\u043b \u049b\u04b1\u0431\u044b\u0440 \u0442\u0435\u043a 5-6 \u0431\u0430\u0440 \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u043a\u04e9\u0442\u0435\u0440\u0435 \u0430\u043b\u0430\u0434\u044b. \u041a\u0435\u0439\u0456\u043d\u043d\u0435\u043d \u043c\u0435\u0440\u0437\u0456\u043c\u0456\u043d\u0435\u043d \u0431\u04b1\u0440\u044b\u043d \u0436\u0430\u0440\u044b\u043b\u0443 \u043f\u0430\u0439\u0434\u0430 \u0431\u043e\u043b\u0430\u0434\u044b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applying_Standard_Fusion_Parameters_to_Thick-Walled_Pipe\"><\/span><strong>\u049a\u0430\u043b\u044b\u04a3 \u049b\u0430\u0431\u044b\u0440\u0493\u0430\u043b\u044b \u049b\u04b1\u0431\u044b\u0440\u0493\u0430 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u044b \u0431\u0430\u043b\u049b\u044b\u0442\u0443 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043b\u0435\u0440\u0456\u043d \u049b\u043e\u043b\u0434\u0430\u043d\u0443<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u049a\u0430\u043b\u044b\u04a3 \u049b\u0430\u0431\u044b\u0440\u0493\u0430\u043b\u0430\u0440 \u0431\u0430\u043b\u049b\u044b\u0442\u0443 \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u04b1\u0437\u0430\u0493\u044b\u0440\u0430\u049b \u049b\u044b\u0437\u0434\u044b\u0440\u0443\u0434\u044b \u049b\u0430\u0436\u0435\u0442 \u0435\u0442\u0435\u0434\u0456. SDR 6 \u043d\u0435\u043c\u0435\u0441\u0435 SDR 5 \u049b\u04b1\u0431\u044b\u0440\u044b\u043d\u0430 SDR 11 \u0443\u0430\u049b\u044b\u0442\u044b\u043d \u049b\u043e\u043b\u0434\u0430\u043d\u0430\u0442\u044b\u043d \u0442\u0435\u0445\u043d\u0438\u043a\u0442\u0435\u0440 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b \u0442\u043e\u043b\u044b\u049b \u0431\u0430\u043b\u049b\u0443 \u0442\u0435\u0440\u0435\u04a3\u0434\u0456\u0433\u0456\u043d\u0435 \u0436\u0435\u0442\u043f\u0435\u0433\u0435\u043d \u201c\u0441\u0443\u044b\u049b \u0434\u04d9\u043d\u0435\u043a\u0435\u0440\u043b\u0435\u0443\u043b\u0435\u0440\u201d \u0436\u0430\u0441\u0430\u0439\u0434\u044b. \u0411\u04b1\u043b \u049b\u043e\u0441\u044b\u043b\u044b\u0441\u0442\u0430\u0440 \u0442\u043e\u043b\u044b\u049b \u043a\u04e9\u0440\u0456\u043d\u0435\u0434\u0456, \u0431\u0456\u0440\u0430\u049b \u049b\u044b\u0441\u044b\u043c \u043a\u0435\u0437\u0456\u043d\u0434\u0435 \u0430\u0493\u044b\u043f \u043a\u0435\u0442\u043f\u0435\u0439\u0434\u0456.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ignoring_Thermal_Expansion_in_Hot_Systems\"><\/span><strong>\u042b\u0441\u0442\u044b\u049b \u0436\u04af\u0439\u0435\u043b\u0435\u0440\u0434\u0435\u0433\u0456 \u0436\u044b\u043b\u0443\u043b\u044b\u049b \u043a\u0435\u04a3\u0435\u044e\u0434\u0456 \u0435\u0441\u043a\u0435\u0440\u043c\u0435\u0443<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0416\u04b1\u049b\u0430 \u049b\u0430\u0431\u044b\u0440\u0493\u0430\u043b\u0430\u0440 \u0436\u044b\u043b\u0443 \u04d9\u0441\u0435\u0440\u0456\u043d\u0435\u043d \u043a\u0435\u04a3\u0435\u0439\u0435\u0434\u0456. \u042b\u0441\u0442\u044b\u049b \u0456\u043b\u043c\u0435\u043a\u0442\u0435\u0440\u0434\u0435\u0433\u0456 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u044b PPR \u049b\u04b1\u0431\u044b\u0440\u043b\u0430\u0440\u044b \u0442\u0440\u0430\u043d\u0448\u0435\u044f\u043b\u0430\u0440\u0434\u0430 \u0456\u043b\u0456\u043d\u0456\u043f \u049b\u0430\u043b\u0430\u0434\u044b, \u049b\u043e\u0441\u044b\u043b\u044b\u0441\u0442\u0430\u0440\u0493\u0430 \u043a\u04af\u0448 \u0442\u04af\u0441\u0456\u0440\u0435\u0434\u0456 \u0436\u04d9\u043d\u0435 \u049b\u043e\u0441\u044b\u043b\u0443 \u043d\u04af\u043a\u0442\u0435\u043b\u0435\u0440\u0456\u043d\u0434\u0435 \u0436\u0430\u0440\u044b\u049b\u0442\u0430\u0440 \u043f\u0430\u0439\u0434\u0430 \u0431\u043e\u043b\u0430\u0434\u044b. <a href=\"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-fiber-composite-pipe-gf-ppr-hot-water-choice\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0422\u0430\u043b\u0448\u044b\u049b\u043f\u0435\u043d \u043a\u04af\u0448\u0435\u0439\u0442\u0456\u043b\u0433\u0435\u043d<\/a> SDR 7.4 \u043a\u0435\u04a3\u0435\u044e\u0434\u0456 70%-\u0433\u0435 \u0430\u0437\u0430\u0439\u0442\u0430\u0434\u044b \u0436\u04d9\u043d\u0435 \u043f\u043e\u0437\u0438\u0446\u0438\u044f\u043d\u044b \u0441\u0430\u049b\u0442\u0430\u0439\u0434\u044b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DESOs_Manufacturing_Precision_and_Project_Experience\"><\/span><strong>DESO \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f\u0441\u044b\u043d\u044b\u04a3 \u04e9\u043d\u0434\u0456\u0440\u0456\u0441\u0442\u0456\u043a \u0434\u04d9\u043b\u0434\u0456\u0433\u0456 \u0436\u04d9\u043d\u0435 \u0436\u043e\u0431\u0430\u043b\u044b\u049b \u0442\u04d9\u0436\u0456\u0440\u0438\u0431\u0435\u0441\u0456<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DESO \u0436\u0438\u044b\u0440\u043c\u0430 \u0436\u044b\u043b \u0431\u043e\u0439\u044b \u0445\u0438\u043c\u0438\u044f\u043b\u044b\u049b \u0437\u0430\u0443\u044b\u0442\u0442\u0430\u0440\u0493\u0430, \u0436\u044b\u043b\u044b\u0442\u0443, \u0436\u0435\u043b\u0434\u0435\u0442\u0443 \u0436\u04d9\u043d\u0435 \u0430\u0443\u0430 \u0431\u0430\u043f\u0442\u0430\u0443 \u0436\u0435\u043b\u0456\u043b\u0435\u0440\u0456\u043d\u0435, \u04e9\u043d\u0435\u0440\u043a\u04d9\u0441\u0456\u043f\u0442\u0456\u043a \u0441\u0430\u043b\u049b\u044b\u043d\u0434\u0430\u0442\u0443 \u0446\u0438\u043a\u043b\u0434\u0430\u0440\u044b\u043d\u0430 \u0436\u04d9\u043d\u0435 \u0436\u043e\u0493\u0430\u0440\u044b \u049b\u044b\u0441\u044b\u043c\u0434\u044b \u049b\u0430\u0437\u0430\u043d\u0434\u044b\u049b \u049b\u043e\u0440\u0435\u043a\u0442\u0435\u0440\u0456\u043d\u0435 \u0430\u0440\u043d\u0430\u043b\u0493\u0430\u043d PPR \u0436\u04af\u0439\u0435\u043b\u0435\u0440\u0456\u043d \u0436\u0435\u0442\u043a\u0456\u0437\u0456\u043f \u043a\u0435\u043b\u0435\u0434\u0456.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u04e9\u043c\u0435\u043d\u0433\u0456 \u0434\u0435\u04a3\u0433\u0435\u0439\u043b\u0456 \u04e9\u043d\u0434\u0456\u0440\u0456\u0441 \u049b\u0430\u0431\u044b\u0440\u0493\u0430 \u049b\u0430\u043b\u044b\u04a3\u0434\u044b\u0493\u044b \u0431\u0456\u0440 \u049b\u04b1\u0431\u044b\u0440\u0434\u044b\u04a3 \u0456\u0448\u0456\u043d\u0434\u0435 \u04e9\u0437\u0433\u0435\u0440\u0435\u0442\u0456\u043d \u201c\u0436\u04b1\u049b\u0430 \u043d\u04af\u043a\u0442\u0435\u043b\u0435\u0440\u0434\u0456\u201d \u0436\u0430\u0441\u0430\u0439\u0434\u044b. \u0411\u04b1\u043b \u0436\u04b1\u049b\u0430 \u043d\u04af\u043a\u0442\u0435\u043b\u0435\u0440 \u0430\u043b\u0434\u044b\u043c\u0435\u043d \u0456\u0441\u0442\u0435\u043d \u0448\u044b\u0493\u0430\u0434\u044b, \u0441\u0435\u0431\u0435\u0431\u0456 \u049b\u0430\u0431\u044b\u0440\u0493\u0430 \u0435\u04a3 \u0436\u04b1\u049b\u0430 \u0431\u04e9\u043b\u0456\u0433\u0456\u043d\u0434\u0435 \u043d\u043e\u043c\u0438\u043d\u0430\u043b\u0434\u044b \u049b\u044b\u0441\u044b\u043c\u0493\u0430 \u0442\u04e9\u0442\u0435\u043f \u0431\u0435\u0440\u0435 \u0430\u043b\u043c\u0430\u0439\u0434\u044b. DESO \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f\u0441\u044b\u043d\u044b\u04a3 Borealis RA130E \u0442\u0430\u0437\u0430 \u0448\u0430\u0439\u044b\u0440\u044b\u043d \u043f\u0430\u0439\u0434\u0430\u043b\u0430\u043d\u0430\u0442\u044b\u043d \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0442\u0430\u043d\u0434\u044b\u0440\u044b\u043b\u0493\u0430\u043d \u044d\u043a\u0441\u0442\u0440\u0443\u0437\u0438\u044f\u0441\u044b \u049b\u0430\u0431\u044b\u0440\u0493\u0430 \u049b\u0430\u043b\u044b\u04a3\u0434\u044b\u0493\u044b\u043d \u04d9\u0440\u0431\u0456\u0440 \u043c\u0435\u0442\u0440 \u0431\u043e\u0439\u044b\u043d\u0448\u0430 ISO 15874 \u0442\u04e9\u0437\u0456\u043c\u0434\u0456\u043b\u0456\u0433\u0456\u043d\u0435 \u0434\u0435\u0439\u0456\u043d \u04b1\u0441\u0442\u0430\u0439\u0434\u044b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SDR 11-\u0434\u0435\u043d SDR 5-\u043a\u0435 \u0434\u0435\u0439\u0456\u043d\u0433\u0456 \u0442\u043e\u043b\u044b\u049b SDR \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u044b \u0431\u0456\u0440 \u043a\u04e9\u0437\u0434\u0435\u043d \u0442\u04b1\u0440\u0430\u049b\u0442\u044b \u0442\u04af\u0440\u0434\u0435 \u0436\u0435\u0442\u043a\u0456\u0437\u0456\u043b\u0435\u0434\u0456 <a href=\"https:\/\/www.desopipe.com\/kk\/blog\/manufacturer\/buyers-guide-to-high-quality-ppr-pipe-material\/\" target=\"_blank\" rel=\"noreferrer noopener\">ppr \u049b\u04b1\u0431\u044b\u0440 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044b<\/a> \u049b\u0430\u0441\u0438\u0435\u0442\u0442\u0435\u0440\u0434\u0456 \u0442\u043e\u043f\u0442\u0430\u043c\u0430\u043c\u0435\u043d \u0442\u043e\u043f\u0442\u0430\u043c\u0430\u043c\u0435\u043d. DESO \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u043b\u0456\u043a \u0442\u043e\u0431\u044b \u0436\u043e\u0431\u0430\u043d\u044b\u04a3 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u043b\u0430\u0440\u044b\u043d \u049b\u0430\u0440\u0430\u043f \u0448\u044b\u0493\u0430\u0434\u044b \u0436\u04d9\u043d\u0435 \u0436\u04b1\u043c\u044b\u0441 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0441\u044b\u043d\u0430, \u049b\u044b\u0441\u044b\u043c\u044b\u043d\u0430 \u0436\u04d9\u043d\u0435 \u0441\u04b1\u0439\u044b\u049b\u0442\u044b\u049b \u0442\u04af\u0440\u0456\u043d\u0435 \u043d\u0435\u0433\u0456\u0437\u0434\u0435\u043b\u0433\u0435\u043d SDR \u043a\u043b\u0430\u0441\u044b\u043d \u04b1\u0441\u044b\u043d\u0430\u0434\u044b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_This_Means_for_Specification\"><\/span><strong>\u0411\u04b1\u043b \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430 \u04af\u0448\u0456\u043d \u043d\u0435\u043d\u0456 \u0431\u0456\u043b\u0434\u0456\u0440\u0435\u0434\u0456<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SDR - \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0438\u044f. PN - 20\u00b0C \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0434\u0430\u0493\u044b \u049b\u044b\u0441\u044b\u043c \u0441\u044b\u0439\u044b\u043c\u0434\u044b\u043b\u044b\u0493\u044b. \u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u0435\u043a\u0435\u0443\u0456\u043d \u0434\u0435 \u0442\u04e9\u043c\u0435\u043d\u0434\u0435\u0442\u0435\u0434\u0456. \u04e8\u043d\u0435\u0440\u043a\u04d9\u0441\u0456\u043f\u0442\u0456\u043a PPR \u049b\u04b1\u0431\u044b\u0440\u044b\u043d \u0442\u0430\u04a3\u0434\u0430\u0443 \u04af\u0448\u0456\u043d SDR \u043a\u043b\u0430\u0441\u044b\u043d \u0436\u04b1\u043c\u044b\u0441 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430\u0441\u044b\u043d\u0430, \u043a\u04af\u0442\u0456\u043b\u0435\u0442\u0456\u043d \u043a\u0435\u0440\u043d\u0435\u0443\u043b\u0435\u0440\u0433\u0435 \u0436\u04d9\u043d\u0435 \u0445\u0438\u043c\u0438\u044f\u043b\u044b\u049b \u04d9\u0441\u0435\u0440\u0433\u0435 \u0441\u04d9\u0439\u043a\u0435\u0441\u0442\u0435\u043d\u0434\u0456\u0440\u0456\u04a3\u0456\u0437. \u0416\u04af\u0439\u0435\u0434\u0435\u0433\u0456 \u0435\u04a3 \u04d9\u043b\u0441\u0456\u0437 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 \u043e\u0493\u0430\u043d \u049b\u043e\u0441\u044b\u043b\u0493\u0430\u043d \u0431\u0430\u0440\u043b\u044b\u049b \u043d\u04d9\u0440\u0441\u0435 \u04af\u0448\u0456\u043d \u049b\u044b\u0441\u044b\u043c \u0440\u0435\u0439\u0442\u0438\u043d\u0433\u0456\u043d \u0448\u0435\u043a\u0442\u0435\u0439\u0434\u0456.<\/p>\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-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.desopipe.com\/kk\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">\u0422\u0435\u0433\u0456\u043d \u0431\u0430\u0493\u0430 \u04b1\u0441\u044b\u043d\u044b\u0441\u044b\u043d \u0430\u043b\u044b\u04a3\u044b\u0437<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>SDR measures wall thickness relative to pipe diameter. PN tells you the pressure rating at 20\u00b0C. Choosing the right plumbing wall thickness for industrial PPR systems<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":4100,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-4097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ppr-pipe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PPR Pipe: Choosing the Right Wall Thickness (SDR vs PN) | DESO Group<\/title>\n<meta name=\"description\" content=\"Learn the difference between SDR and PN ratings for PPR pipes. Avoid common selection errors and match wall thickness to industrial conditions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.desopipe.com\/kk\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PPR Pipe: Choosing the Right Wall Thickness (SDR vs PN) | DESO Group\" \/>\n<meta property=\"og:description\" content=\"Learn the difference between SDR and PN ratings for PPR pipes. 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