{"id":7383,"date":"2026-06-21T07:05:29","date_gmt":"2026-06-21T07:05:29","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=7383"},"modified":"2026-07-08T16:45:58","modified_gmt":"2026-07-08T16:45:58","slug":"ppr-pipe-temperature-limits","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/","title":{"rendered":"\u062d\u062f\u0648\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0623\u0646\u0627\u0628\u064a\u0628 PPR: \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0645\u0642\u0627\u0628\u0644 \u0646\u0642\u0637\u0629 \u0627\u0644\u0627\u0646\u0635\u0647\u0627\u0631 \u0645\u0634\u0631\u0648\u062d\u0629"},"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\">\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/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=\"\u062a\u0628\u062f\u064a\u0644 \u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u062a\u0628\u062f\u064a\u0644<\/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\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Why_Do_Temperature_Ratings_Matter\" >\u0644\u0645\u0627\u0630\u0627 \u062a\u0639\u062a\u0628\u0631 \u062a\u0642\u064a\u064a\u0645\u0627\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0647\u0645\u0629\u061f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Pressure\" >\u0627\u0644\u0636\u063a\u0637<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Lifespan\" >\u0639\u0645\u0631<\/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\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Safety\" >\u0627\u0644\u0633\u0644\u0627\u0645\u0629<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#What_Is_The_Working_Temperature_Of_PPR_Pipe\" >\u0645\u0627 \u0647\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u062a\u0634\u063a\u064a\u0644 \u0623\u0646\u0627\u0628\u064a\u0628 PPR\u061f<\/a><\/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\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#What_Is_The_Melting_Point_Of_PPR\" >\u0645\u0627 \u0647\u064a \u0646\u0642\u0637\u0629 \u0627\u0646\u0635\u0647\u0627\u0631 PPR\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#What_Is_The_Difference_Between_Working_Temperature_And_Melting_Point\" >\u0645\u0627 \u0647\u0648 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0646\u0642\u0637\u0629 \u0627\u0644\u0627\u0646\u0635\u0647\u0627\u0631\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#How_Does_Temperature_Affect_Pressure_Ratings\" >\u0643\u064a\u0641 \u062a\u0624\u062b\u0631 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0639\u0644\u0649 \u062a\u0642\u064a\u064a\u0645\u0627\u062a \u0627\u0644\u0636\u063a\u0637\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Which_Applications_Match_Each_Temperature_Range\" >\u0645\u0627 \u0647\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0646\u0627\u0633\u0628 \u0645\u0639 \u0643\u0644 \u0646\u0637\u0627\u0642 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629\u061f<\/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.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Cold_Water\" >\u0627\u0644\u0645\u0627\u0621 \u0627\u0644\u0628\u0627\u0631\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Hot_Water\" >\u0627\u0644\u0645\u0627\u0621 \u0627\u0644\u0633\u0627\u062e\u0646<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Heating_Systems\" >\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u062f\u0641\u0626\u0629<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Why_Does_Fiber_Composite_PPR_Perform_Better_In_High-Temperature_Systems\" >\u0644\u0645\u0627\u0630\u0627 \u062a\u0639\u0645\u0644 \u0623\u0646\u0627\u0628\u064a\u0628 PPR \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0645\u0646 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0628\u0634\u0643\u0644 \u0623\u0641\u0636\u0644 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Can_PPR_Pipes_Be_Glued\" >\u0647\u0644 \u064a\u0645\u0643\u0646 \u0644\u0635\u0642 \u0623\u0646\u0627\u0628\u064a\u0628 PPR\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Why_Do_Traditional_PVC_Adhesives_Not_Work_On_PPR_Pipes\" >\u0644\u0645\u0627\u0630\u0627 \u0644\u0627 \u062a\u0639\u0645\u0644 \u0645\u0648\u0627\u062f \u0644\u0627\u0635\u0642\u0629 PVC \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629 \u0639\u0644\u0649 \u0623\u0646\u0627\u0628\u064a\u0628 PPR\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#How_Are_PPR_Pipes_Actually_Joined\" >\u0643\u064a\u0641 \u064a\u062a\u0645 \u062a\u0648\u0635\u064a\u0644 \u0623\u0646\u0627\u0628\u064a\u0628 PPR \u0641\u0639\u0644\u064a\u064b\u0627\u061f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Socket_Fusion\" >\u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u0642\u0628\u0633<\/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.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Threaded_Fittings\" >\u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u0645\u0644\u0648\u0644\u0628\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Flanged_Connections\" >Flanged Connections<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Are_There_Any_Situations_Where_Adhesives_Are_Used\" >Are There Any Situations Where Adhesives Are Used?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#What_Are_The_Risks_Of_Using_Adhesives_On_PPR_Pipe_Systems\" >What Are The Risks Of Using Adhesives On PPR Pipe Systems?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#What_Are_The_Best_Practices_For_PPR_Pipe_Installation\" >What Are The Best Practices For PPR Pipe Installation?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.desopipe.com\/ar\/blog\/educational-informational\/ppr-pipe-temperature-limits\/#Conclusion\" >\u062e\u0627\u062a\u0645\u0629<\/a><\/li><\/ul><\/nav><\/div>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1003\" height=\"537\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-1.webp\" alt=\"\" class=\"wp-image-7384\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-1.webp 1003w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-1-500x268.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-1-300x161.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-1-768x411.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-1-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-1-140x75.webp 140w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-1-480x257.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-1-800x428.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1003px) 100vw, 1003px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Standard PPR pipe carries water continuously at temperatures up to about 70\u00b0C, with short peaks near 95\u00b0C. Its melting and softening behavior sits far higher, around 130\u00b0C, so the pipe never operates anywhere near that point.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That gap matters. Many buyers confuse the working temperature with the melting point and pick the wrong pipe grade. In this guide, you will learn the difference, how the temperature range of PPR pipe grades affects pressure and lifespan, which pipe suits each application, and how PPR pipes are correctly joined.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Do_Temperature_Ratings_Matter\"><\/span><strong>\u0644\u0645\u0627\u0630\u0627 \u062a\u0639\u062a\u0628\u0631 \u062a\u0642\u064a\u064a\u0645\u0627\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0647\u0645\u0629\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Temperature ratings define how a pipe behaves under real heat and pressure. Ignore them, and you risk leaks, sagging, or early failure. Get them right, and the system lasts decades.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pressure\"><\/span><strong>\u0627\u0644\u0636\u063a\u0637<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pressure capacity drops as temperature rises. A pipe rated for 20 bar at 20\u00b0C holds far less at 70\u00b0C. Ratings guide safe pressure selection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lifespan\"><\/span><strong>\u0639\u0645\u0631<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PPR follows a creep-based aging curve. Lower temperatures mean slower stress damage. Proper design supports a service life of 50 years or more.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Safety\"><\/span><strong>\u0627\u0644\u0633\u0644\u0627\u0645\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Overheated pipe softens and deforms. Correct ratings keep joints intact and prevent sudden bursts in occupied buildings.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_The_Working_Temperature_Of_PPR_Pipe\"><\/span><strong>\u0645\u0627 \u0647\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u062a\u0634\u063a\u064a\u0644 \u0623\u0646\u0627\u0628\u064a\u0628 PPR\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Working temperature is the heat a pipe handles continuously without losing strength over its design life. For standard PPR, this is commonly up to 70\u00b0C, depending on pressure and SDR.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The temperature range of the pipe standard grades covers runs roughly from -10\u00b0C to 70\u00b0C in continuous use. Short-term peaks near 95\u00b0C are tolerated for limited periods. This balance gives PPR pipes high temperature resistance suited to hot water service.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The practical PPR pipe maximum temperature for continuous duty is therefore about 70\u00b0C, not the higher peak figures. Designing for the continuous value protects long-term performance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_The_Melting_Point_Of_PPR\"><\/span><strong>\u0645\u0627 \u0647\u064a \u0646\u0642\u0637\u0629 \u0627\u0646\u0635\u0647\u0627\u0631 PPR\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PPR does not have a single sharp melting point like a metal. Instead, it softens gradually as the heat increases. Engineers use the Vicat softening temperature as a reference, which sits around 130\u00b0C for quality raw material.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At this point, the polymer becomes soft enough to deform under load. Short disruptions reaching 100\u00b0C can be tolerated without damage. Still, sustained operation near softening would shorten life dramatically.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_The_Difference_Between_Working_Temperature_And_Melting_Point\"><\/span><strong>\u0645\u0627 \u0647\u0648 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0646\u0642\u0637\u0629 \u0627\u0644\u0627\u0646\u0635\u0647\u0627\u0631\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Working temperature is a safe, continuous operating limit. The softening or melting region is the physical point where the material loses rigidity. They are not the same, and the gap is intentional.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0644\u062e\u0635 \u0627\u0644\u062c\u062f\u0648\u0644 \u0623\u062f\u0646\u0627\u0647 \u0627\u0644\u062d\u062f\u0648\u062f \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0640 PPR \u0627\u0644\u0642\u064a\u0627\u0633\u064a.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/strong><\/td><td><strong>\u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/strong><\/td><td><strong>\u0645\u0644\u0627\u062d\u0638\u0627\u062a<\/strong><\/td><\/tr><tr><td>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/td><td>\u062d\u062a\u0649 ~70 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td><td>\u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u0636\u063a\u0637 \u0648 SDR<\/td><\/tr><tr><td>\u0630\u0631\u0648\u0629 \u0642\u0635\u064a\u0631\u0629 \u0627\u0644\u0623\u062c\u0644<\/td><td>~95 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td><td>\u0645\u062f\u0629 \u0645\u062d\u062f\u0648\u062f\u0629 \u0641\u0642\u0637<\/td><\/tr><tr><td>\u062a\u062d\u0645\u0644 \u0627\u0644\u0627\u0646\u0642\u0637\u0627\u0639 \u0627\u0644\u0645\u0648\u062c\u0632<\/td><td>~100 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td><td>\u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a \u0642\u0635\u064a\u0631\u0629 \u0648\u0639\u0631\u0636\u064a\u0629<\/td><\/tr><tr><td>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u062a\u0644\u064a\u064a\u0646 \u0641\u064a\u0643\u0627\u062a<\/td><td>~130 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td><td>\u062a\u0628\u062f\u0623 \u0627\u0644\u0645\u0627\u062f\u0629 \u0641\u064a \u0627\u0644\u062a\u0634\u0648\u0647<\/td><\/tr><tr><td>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0623\u062f\u0627\u0629 \u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u0642\u0628\u0633<\/td><td>260 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u00b15 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td><td>\u0644\u0644\u0631\u0628\u0637\u060c \u0648\u0644\u064a\u0633 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0627\u062d\u0638 \u0623\u0646 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0627\u0646\u0635\u0647\u0627\u0631 \u0623\u0639\u0644\u0649 \u0628\u0643\u062b\u064a\u0631 \u0645\u0646 \u062d\u062f\u0648\u062f \u0627\u0644\u062a\u0634\u063a\u064a\u0644. \u064a\u0630\u064a\u0628 \u0627\u0644\u0627\u0646\u0635\u0647\u0627\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0633\u0637\u062d \u0644\u0641\u062a\u0631\u0629 \u0648\u062c\u064a\u0632\u0629 \u0644\u0631\u0628\u0637 \u0627\u0644\u0623\u0646\u0628\u0648\u0628 \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0628\u060c \u062b\u0645 \u064a\u0628\u0631\u062f \u0627\u0644\u0645\u0641\u0635\u0644 \u0648\u064a\u062a\u0635\u0644\u0628.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_Temperature_Affect_Pressure_Ratings\"><\/span><strong>\u0643\u064a\u0641 \u062a\u0624\u062b\u0631 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0639\u0644\u0649 \u062a\u0642\u064a\u064a\u0645\u0627\u062a \u0627\u0644\u0636\u063a\u0637\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0623\u0639\u0644\u0649 \u062a\u0642\u0644\u0644 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647. \u0648\u0647\u0630\u0627 \u064a\u0633\u0645\u0649 \u062a\u062e\u0641\u064a\u0636 \u0627\u0644\u0642\u064a\u0645\u0629. \u0627\u0644\u0628\u0648\u0644\u064a\u0645\u0631 \u064a\u0632\u062d\u0641 \u0623\u0643\u062b\u0631 \u062a\u062d\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0644\u0630\u0644\u0643 \u064a\u0646\u062e\u0641\u0636 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0622\u0645\u0646.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0642\u062f \u064a\u062d\u0645\u0644 \u0623\u0646\u0628\u0648\u0628 PN20 \u064a\u062a\u062d\u0645\u0644 30 \u0628\u0627\u0631 \u0639\u0646\u062f 20 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u062d\u0648\u0627\u0644\u064a 13 \u0628\u0627\u0631 \u0641\u0642\u0637 \u0639\u0646\u062f 70 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629. \u064a\u0637\u0628\u0642 \u0627\u0644\u0645\u0635\u0645\u0645\u0648\u0646 \u0639\u0648\u0627\u0645\u0644 \u062a\u062e\u0641\u064a\u0636 \u0627\u0644\u0642\u064a\u0645\u0629 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c SDR\u060c \u0648\u0639\u0645\u0631 \u0627\u0644\u062e\u062f\u0645\u0629. \u0639\u0627\u0645\u0644 \u0627\u0644\u0623\u0645\u0627\u0646 \u0645\u0646 1.25 \u0625\u0644\u0649 1.5 \u0647\u0648 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0628\u0645\u0648\u062c\u0628 ISO 15874.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628\u060c \u0641\u0625\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u0623\u0646\u0628\u0648\u0628 ppr \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u064a\u0642\u062a\u0631\u0646 \u062f\u0627\u0626\u0645\u064b\u0627 \u0628\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0645\u0639 \u0636\u063a\u0637 \u0627\u0644\u0639\u0645\u0644 \u0642\u0628\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u062f\u0631\u062c\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Applications_Match_Each_Temperature_Range\"><\/span><strong>\u0645\u0627 \u0647\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0646\u0627\u0633\u0628 \u0645\u0639 \u0643\u0644 \u0646\u0637\u0627\u0642 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0623\u0646\u0628\u0648\u0628 \u0644\u0644\u0645\u0647\u0645\u0629 \u062a\u062a\u062c\u0646\u0628 \u0627\u0644\u0625\u0646\u0641\u0627\u0642 \u0627\u0644\u0632\u0627\u0626\u062f \u0648\u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0645\u0628\u0643\u0631.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cold_Water\"><\/span><strong>\u0627\u0644\u0645\u0627\u0621 \u0627\u0644\u0628\u0627\u0631\u062f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062e\u0637\u0648\u0637 \u0645\u064a\u0627\u0647 \u0627\u0644\u0634\u0631\u0628 \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0648\u0627\u0644\u0645\u0628\u0631\u062f\u0629 \u062a\u0639\u0645\u0644 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 20 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629. \u064a\u0639\u0645\u0644 PPR \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0623\u0648 \u062f\u0631\u062c\u0629 SDR \u0623\u0631\u0642 \u0628\u0634\u0643\u0644 \u062c\u064a\u062f \u0647\u0646\u0627. \u0623\u0646\u0628\u0648\u0628 PPR \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0644\u0644\u0645\u0627\u0621 \u064a\u0642\u0627\u0648\u0645 \u0623\u064a\u0636\u064b\u0627 \u0627\u0644\u062a\u0631\u0633\u0628\u0627\u062a \u0648\u0627\u0644\u062a\u0622\u0643\u0644 \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u0623\u0646\u0638\u0645\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hot_Water\"><\/span><strong>\u0627\u0644\u0645\u0627\u0621 \u0627\u0644\u0633\u0627\u062e\u0646<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0648\u0627\u0633\u064a\u0631 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u0633\u0627\u062e\u0646\u0629 \u0627\u0644\u0645\u0646\u0632\u0644\u064a\u0629 \u062a\u0639\u0645\u0644 \u062d\u0648\u0644 55 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 60 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629. \u062f\u0631\u062c\u0629 PN \u0623\u0639\u0644\u0649 \u062a\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u0636\u063a\u0637. \u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0641\u0646\u0627\u062f\u0642 \u0648\u0627\u0644\u0645\u0633\u062a\u0634\u0641\u064a\u0627\u062a \u0639\u0644\u0649 \u0647\u0630\u0627 \u0644\u0644\u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u064a\u0648\u0645\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Heating_Systems\"><\/span><strong>\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u062f\u0641\u0626\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062d\u0644\u0642\u0627\u062a \u062a\u0633\u062e\u064a\u0646 HVAC \u0648\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0627\u0644\u0645\u0634\u0639\u0627\u062a \u062a\u0631\u0649 \u062d\u0631\u0627\u0631\u0629 \u0645\u0633\u062a\u0645\u0631\u0629 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 70 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0645\u0639 \u0630\u0631\u0648\u0627\u062a \u0623\u0639\u0644\u0649. \u0647\u0630\u0647 \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0623\u0646\u0628\u0648\u0628 PPR \u0645\u0642\u0627\u0648\u0645 \u0644\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629\u060c \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0631\u0643\u0628 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0623\u0648 PP-RCT\u060c \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u0645\u062f\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Does_Fiber_Composite_PPR_Perform_Better_In_High-Temperature_Systems\"><\/span><strong>\u0644\u0645\u0627\u0630\u0627 \u062a\u0639\u0645\u0644 \u0623\u0646\u0627\u0628\u064a\u0628 PPR \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0645\u0646 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0628\u0634\u0643\u0644 \u0623\u0641\u0636\u0644 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1008\" height=\"535\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2.webp\" alt=\"\" class=\"wp-image-7385\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2.webp 1008w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-500x265.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-300x159.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-768x408.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-141x75.webp 141w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-480x255.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-800x425.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1008px) 100vw, 1008px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u062a\u0645\u062f\u062f PPR \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0628\u0634\u0643\u0644 \u0645\u0644\u062d\u0648\u0638 \u0639\u0646\u062f \u0627\u0644\u062a\u0633\u062e\u064a\u0646. \u064a\u0636\u064a\u0641 PPR \u0627\u0644\u0645\u0642\u0648\u0649 \u0628\u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0637\u0628\u0642\u0629 \u0648\u0633\u0637\u0649 \u0645\u0646 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0632\u062c\u0627\u062c\u064a\u0629 \u062a\u0642\u0644\u0644 \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0628\u0634\u0643\u0644 \u062d\u0627\u062f. \u0647\u0630\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0627\u0644\u062a\u0631\u0647\u0644 \u0648\u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0639\u0644\u0649 \u0627\u0644\u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u0637\u0648\u064a\u0644\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0631\u0641\u0639 PP-RCT \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0623\u0643\u062b\u0631. \u064a\u0648\u0641\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0636\u063a\u0637 \u0623\u0639\u0644\u0649 \u0628\u0646\u0633\u0628\u0629 25% \u0648\u0642\u0648\u0629 \u0637\u0648\u064a\u0644\u0629 \u0627\u0644\u0623\u0645\u062f \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0640 PP-R \u0627\u0644\u0633\u0627\u0628\u0642\u060c \u0645\u0639 \u0646\u0637\u0627\u0642 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0645\u0646 -20 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 95 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629. \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0632\u062d\u0641 \u0627\u0644\u0623\u0641\u0636\u0644 \u062a\u0623\u062a\u064a \u0645\u0646 \u0645\u0648\u0627\u062f \u062e\u0627\u0645 \u0628\u0648\u0644\u064a\u0645\u0631 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062c\u0648\u062f\u0629 \u0645\u0635\u0645\u0645\u0629 \u0644\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0648\u0627\u0633\u064a\u0631 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0648\u062e\u0637\u0648\u0637 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u062a\u0628\u0627\u0639\u062f\u064b\u0627 \u0623\u0636\u064a\u0642 \u0648\u0636\u063a\u0637\u064b\u0627 \u0623\u0643\u062b\u0631 \u062b\u0628\u0627\u062a\u064b\u0627. <a href=\"https:\/\/www.desopipe.com\/ar\/blog\/product-use-cases\/commercial-ppr-pipe-system\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u062a\u0635\u0645\u064a\u0645 \u0646\u0638\u0627\u0645 \u0623\u0646\u0627\u0628\u064a\u0628 PPR \u062a\u062c\u0627\u0631\u064a: \u0627\u0644\u062f\u0644\u064a\u0644 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u0646\u0647\u0627\u0626\u064a<\/a> \u064a\u0634\u0631\u062d \u0643\u064a\u0641\u064a\u0629 \u0625\u062f\u0627\u0631\u0629 \u0647\u0630\u0647 \u0627\u0644\u062d\u0631\u0643\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_PPR_Pipes_Be_Glued\"><\/span><strong>\u0647\u0644 \u064a\u0645\u0643\u0646 \u0644\u0635\u0642 \u0623\u0646\u0627\u0628\u064a\u0628 PPR\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0627. \u0644\u0627 \u064a\u062a\u0645 \u0631\u0628\u0637 \u0623\u0646\u0627\u0628\u064a\u0628 PPR \u0628\u0627\u0644\u063a\u0631\u0627\u0621 \u0627\u0644\u0645\u0630\u064a\u0628. \u064a\u062a\u0645 \u0631\u0628\u0637\u0647\u0627 \u0628\u0627\u0644\u0627\u0646\u0635\u0647\u0627\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u060c \u0627\u0644\u0630\u064a \u064a\u0630\u064a\u0628 \u0648\u064a\u0635\u0647\u0631 \u0627\u0644\u0645\u0627\u062f\u0629 \u0641\u064a \u0642\u0637\u0639\u0629 \u0648\u0627\u062d\u062f\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0647 \u0646\u0642\u0637\u0629 \u0634\u0627\u0626\u0639\u0629 \u0644\u0644\u0627\u0631\u062a\u0628\u0627\u0643 \u0644\u0644\u0645\u0631\u0643\u0628\u064a\u0646 \u0627\u0644\u0630\u064a\u0646 \u064a\u0646\u062a\u0642\u0644\u0648\u0646 \u0645\u0646 PVC. \u0641\u0647\u0645 \u0627\u0644\u0633\u0628\u0628 \u064a\u062d\u0645\u064a \u0646\u0638\u0627\u0645\u0643.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Do_Traditional_PVC_Adhesives_Not_Work_On_PPR_Pipes\"><\/span><strong>\u0644\u0645\u0627\u0630\u0627 \u0644\u0627 \u062a\u0639\u0645\u0644 \u0645\u0648\u0627\u062f \u0644\u0627\u0635\u0642\u0629 PVC \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629 \u0639\u0644\u0649 \u0623\u0646\u0627\u0628\u064a\u0628 PPR\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Solvent cement works on PVC because the solvent dissolves the surface and welds it chemically. Polypropylene resists those solvents, so the chemistry never bonds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The same chemical resistance that makes a chemical-resistant PPR pipe for water so durable also blocks adhesive joining. Glue may appear to stick, but it offers no real strength under pressure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Are_PPR_Pipes_Actually_Joined\"><\/span><strong>\u0643\u064a\u0641 \u064a\u062a\u0645 \u062a\u0648\u0635\u064a\u0644 \u0623\u0646\u0627\u0628\u064a\u0628 PPR \u0641\u0639\u0644\u064a\u064b\u0627\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PPR relies on thermal joining methods that create a homogeneous bond. Three methods cover most projects.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Socket_Fusion\"><\/span><strong>\u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u0642\u0628\u0633<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A heating tool warms the pipe end and fitting socket at 260\u00b0C \u00b15\u00b0C. The parts are pushed together and held briefly. Heating times scale with size: about 5 seconds for 20 mm, 7 seconds for 25 mm, and 8 seconds for 32 mm.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>\u062a\u0633\u0644\u064a\u0637 \u0627\u0644\u0636\u0648\u0621 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0628\u0637\u0644<\/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: #0066cc;\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: #004c99;\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.desopipe.com\/ar\/product\/ds-63-ppr-sockets-welder-63mm\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/deso.b-cdn.net\/wp-content\/uploads\/2025\/10\/27.-DS-63-PPR-Sockets-Welder-63mm.jpg\" alt=\"\u0622\u0644\u0629 \u0644\u062d\u0627\u0645 \u0645\u0642\u0627\u0628\u0633 PPR DS-63 \u0645\u0642\u0627\u0633 63 \u0645\u0645\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">DS-63 PPR Sockets Welder<\/div>\n    <div class=\"hero-description\">\nPrecise 260\u00b0C \u00b15\u00b0C temperature control for socket fusion, supports 20mm to 63mm pipe sizes, ensures consistent homogeneous bonding.  <\/div>\n    <span class=\"hero-link\">\u0639\u0631\u0636 \u0627\u0644\u0645\u0646\u062a\u062c<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Threaded_Fittings\"><\/span><strong>\u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u0645\u0644\u0648\u0644\u0628\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Brass-insert threaded fittings connect PPR to metal pipes, valves, or fixtures. They allow safe transitions without fusion.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Flanged_Connections\"><\/span><strong>Flanged Connections<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Flanges suit large diameters and equipment connections. They allow disassembly for maintenance on bigger lines.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Are_There_Any_Situations_Where_Adhesives_Are_Used\"><\/span><strong>Are There Any Situations Where Adhesives Are Used?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Rarely, and never for structural pressure joints. Adhesives may appear in temporary marking or external sealing of unrelated components. They are not part of forming a load-bearing PPR connection.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_The_Risks_Of_Using_Adhesives_On_PPR_Pipe_Systems\"><\/span><strong>What Are The Risks Of Using Adhesives On PPR Pipe Systems?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Using glue on PPR creates hidden weak points. Risks include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Joint failure under pressure or temperature swings<\/li>\n\n\n\n<li>Slow leaks behind finished walls<\/li>\n\n\n\n<li>No real chemical bond, despite surface appearance<\/li>\n\n\n\n<li>Voided performance expectations and rework costs<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Fusion remains the only sound joining method for pressure service.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_The_Best_Practices_For_PPR_Pipe_Installation\"><\/span><strong>What Are The Best Practices For PPR Pipe Installation?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1009\" height=\"546\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image3-1.webp\" alt=\"\" class=\"wp-image-7386\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image3-1.webp 1009w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image3-1-500x271.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image3-1-300x162.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image3-1-768x416.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image3-1-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image3-1-139x75.webp 139w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image3-1-480x260.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image3-1-800x433.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1009px) 100vw, 1009px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Good practice protects both the joint and the long-term system. Follow these steps.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cut the pipe square and remove burrs before fusion.<\/li>\n\n\n\n<li>Keep fusion surfaces clean, dry, and oil-free.<\/li>\n\n\n\n<li>Hold the correct heating time for each pipe size.<\/li>\n\n\n\n<li>Below 5\u00b0C, increase heating time to prevent cold fusion defects.<\/li>\n\n\n\n<li>Never twist or realign joints after fusing.<\/li>\n\n\n\n<li>Allow full cooling before pressurizing.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Selecting the right branch fittings also helps flow. The <a href=\"https:\/\/www.desopipe.com\/ar\/blog\/ppr-fitting\/y-type-pipe-fitting-vs-equal-tee-hydraulic-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0648\u0635\u0644\u0629 Y \u0645\u0642\u0627\u0628\u0644 \u0648\u0635\u0644\u0629 \u0645\u062a\u0633\u0627\u0648\u064a\u0629 \u0645\u0642\u0627\u0628\u0644 \u0648\u0635\u0644\u0629 \u062e\u0645\u0627\u0633\u064a\u0629: \u0623\u064a \u0648\u0635\u0644\u0629 PPR \u0644\u0644\u062a\u0641\u0631\u0639\u0627\u062a \u0627\u0644\u0645\u0639\u0642\u062f\u0629\u061f<\/a> guide compares options for complex layouts.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>\u062a\u0633\u0644\u064a\u0637 \u0627\u0644\u0636\u0648\u0621 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0628\u0637\u0644<\/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: #0066cc;\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: #004c99;\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.desopipe.com\/ar\/product\/standard-ppr-pipe\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/01\/4.webp\" alt=\"\u0642\u0644\u0645 \u0643\u0627\u064a\u0648\u064a\u0646 \u0627\u0644\u0645\u0644\u0648\u0646\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u0623\u0646\u0628\u0648\u0628 PPR \u0627\u0644\u0642\u064a\u0627\u0633\u064a<\/div>\n    <div class=\"hero-description\">\u062a\u0648\u0641\u0631 \u0623\u0646\u0627\u0628\u064a\u0628 PPR \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u062d\u0644\u0627\u064b \u0645\u0648\u062b\u0648\u0642\u064b\u0627 \u0628\u0647 \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0633\u0643\u0646\u064a\u0629 \u0648\u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0648\u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629.<\/div>\n    <span class=\"hero-link\">\u0639\u0631\u0636 \u0627\u0644\u0645\u0646\u062a\u062c<\/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>\u062e\u0627\u062a\u0645\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u062a\u0649 <a href=\"https:\/\/www.desopipe.com\/ar\/lanrytherm-type-ppr-fitting\/\" type=\"link\" id=\"https:\/\/www.desopipe.com\/lanrytherm-type-ppr-fitting\/\" target=\"_blank\" rel=\"noreferrer noopener\">pipes and fittings<\/a> share the same raw material standard, fusion forms a uniform bond. As a <a href=\"https:\/\/www.desopipe.com\/ar\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0645\u064f\u0635\u0646\u0650\u0651\u0639 \u0623\u0646\u0627\u0628\u064a\u0628 PPR<\/a> with 20+ years of experience, DESO Pipe produces matched PPR systems for stable joints.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO operates 200+ automated machines and 50+ testing devices, holds 60+ patents, and exports to 40+ countries. Products carry <a href=\"https:\/\/www.desopipe.com\/ar\/certificate\/\" target=\"_blank\" rel=\"noreferrer noopener\">CE, WRAS, AENOR, DVGW<\/a>, and ISO 9001, 14001, and 45001 certifications, with compliance to ISO 15874 and DIN 8077\/8078\/16962.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The range supports potable water, HVAC, industrial fluid conveyance, and agricultural irrigation. Explore the full collection and download the <a href=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/01\/Deso-Profile-Catalogue.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Product Catalogue<\/a> \u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0645\u0634\u0631\u0648\u0639\u0643.<\/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\/ar\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">\u0627\u062d\u0635\u0644 \u0639\u0644\u0649 \u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631 \u0645\u062c\u0627\u0646\u064a<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Standard PPR pipe carries water continuously at temperatures up to about 70\u00b0C, with short peaks near 95\u00b0C. Its melting and softening behavior sits far higher, around<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":7384,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"class_list":["post-7383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-educational-informational"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PPR Pipe Temperature Limits: Working Temp vs Melting Point | DESO Group<\/title>\n<meta name=\"description\" content=\"Learn PPR pipe temperature limits, working temperature vs melting point, pressure derating, and safe fusion joining for water, HVAC, and industrial systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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