{"id":9501,"date":"2026-10-17T09:36:00","date_gmt":"2026-10-17T09:36:00","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=9501"},"modified":"2026-11-02T13:48:12","modified_gmt":"2026-11-02T13:48:12","slug":"pre-insulated-ppr-hvac-specification","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/","title":{"rendered":"\u00c7awa Ber\u00ee-\u00cezolekir\u00ee PPR ji bo HVAC-\u00ea ya Bazirgan\u00ee Diyar bike: 8 Biryar"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 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\">Tabloya Naverok\u00ea<\/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=\"Tabloya Naverok\u00ea Ve\u015f\u00eare\/Ve\u015f\u00eare\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Veguhez\u00eene\/bigire<\/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\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#Quick_Answer\" >Jawaban Cepat<\/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\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#Why_Does_a_Product_List_Make_a_Weak_HVAC_Specification\" >\u0628\u06c6\u0686\u06cc \u0644\u06cc\u0633\u062a\u06cc \u0628\u06d5\u0631\u0647\u06d5\u0645\u06ce\u06a9 \u067e\u06ce\u0648\u0627\u0646\u06d5\u06cc\u06d5\u06a9\u06cc \u0644\u0627\u0648\u0627\u0632\u06cc HVAC \u062f\u0631\u0648\u0633\u062a \u062f\u06d5\u06a9\u0627\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.desopipe.com\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#What_Conditions_Define_the_HVAC_Duty\" >\u0686 \u0645\u06d5\u0631\u062c\u06ce\u06a9 \u0626\u06d5\u0631\u06a9\u06cc HVAC \u062f\u06cc\u0627\u0631\u06cc \u062f\u06d5\u06a9\u0627\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.desopipe.com\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#Which_Carrier_Pipe_Class_Should_You_Specify\" >\u0686 \u067e\u06c6\u0644\u06cc \u0628\u06c6\u0631\u06cc \u0647\u06d5\u06b5\u06af\u0631\u06ce\u06a9 \u062f\u06d5\u0628\u06ce\u062a \u062f\u06cc\u0627\u0631\u06cc \u0628\u06a9\u06d5\u06cc\u062a\u061f<\/a><\/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\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#What_Foam_Properties_Should_the_RFQ_Require\" >\u0686 \u062a\u0627\u06cc\u0628\u06d5\u062a\u0645\u06d5\u0646\u062f\u06cc\u06cc\u06d5\u06a9\u06cc \u0641\u06c6\u0645 \u062f\u06d5\u0628\u06ce\u062a RFQ \u062f\u0627\u0648\u0627\u0628\u06a9\u0627\u062a\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\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#How_Should_Insulation_Thickness_Be_Set\" >\u0686\u06c6\u0646 \u062f\u06d5\u0628\u06ce\u062a \u0626\u06d5\u0633\u062a\u0648\u0648\u0631\u06cc \u062f\u0627\u067e\u06c6\u0634\u06cc\u0646 \u062f\u06cc\u0627\u0631\u06cc \u0628\u06a9\u0631\u06ce\u062a\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\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#Which_Jacket_and_Vapour_Barrier_Fit_the_Route\" >\u0686 \u0628\u06d5\u0631\u06af \u0648 \u0628\u06d5\u0631\u0628\u06d5\u0633\u062a\u06cc \u0647\u06d5\u06b5\u0645\u06ce\u06a9 \u06af\u0648\u0646\u062c\u0627\u0648\u06d5 \u0628\u06c6 \u0695\u06ce\u06af\u0627\u06a9\u06d5\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\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#How_Should_Joints_Fittings_and_Transitions_Be_Detailed\" >\u0686\u06c6\u0646 \u062f\u06d5\u0628\u06ce\u062a \u0644\u06a9\u06d5\u06a9\u0627\u0646\u060c \u062f\u0627\u0646\u06d5\u067e\u0627\u06b5\u06d5\u06a9\u0627\u0646 \u0648 \u06af\u0648\u0627\u0633\u062a\u0646\u06d5\u0648\u06d5\u06a9\u0627\u0646 \u0648\u0631\u062f \u0628\u06a9\u0631\u06ce\u0646\u06d5\u0648\u06d5\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\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#What_QA_Documents_Should_You_Request\" >\u0686 \u0628\u06d5\u06b5\u06af\u06d5\u0646\u0627\u0645\u06d5\u06cc QA \u062f\u06d5\u0628\u06ce\u062a \u062f\u0627\u0648\u0627\u0628\u06a9\u06d5\u06cc\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.desopipe.com\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#What_Belongs_in_the_Pre-Insulated_PPR_RFQ\" >\u0686\u06cc \u0644\u06d5\u0646\u0627\u0648 RFQ \u06cc \u067e\u06ce\u0634-\u062f\u0627\u067e\u06c6\u0634\u0631\u0627\u0648\u06cc PPR\u062f\u0627 \u062f\u06d5\u0628\u06ce\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.desopipe.com\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#What_Are_the_Most_Common_Specification_Mistakes\" >\u0686\u06cc \u0647\u06d5\u06b5\u06d5 \u0628\u0627\u0648\u06d5\u06a9\u0627\u0646 \u0644\u06d5 \u067e\u06ce\u0648\u0627\u0646\u06d5\u062f\u0627 \u0647\u06d5\u06cc\u06d5\u061f<\/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\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#What_Else_Do_Buyers_Ask\" >\u06a9\u0695\u06cc\u0627\u0631\u0627\u0646 \u0686\u06cc \u062a\u0631\u06cc \u062f\u06d5\u067e\u0631\u0633\u0646\u061f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.desopipe.com\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#Can_You_Specify_Pre-Insulated_PPR_from_a_Pressure_Class_Alone\" >\u062f\u06d5\u062a\u0648\u0627\u0646\u06cc\u062a \u067e\u06ce\u0634-\u062f\u0627\u067e\u06c6\u0634\u0631\u0627\u0648\u06cc PPR \u062a\u06d5\u0646\u0647\u0627 \u0644\u06d5 \u067e\u06c6\u0644\u06cc \u067e\u06d5\u0633\u062a\u0627\u0646\u06ce\u06a9\u06d5\u0648\u06d5 \u062f\u06cc\u0627\u0631\u06cc \u0628\u06a9\u06d5\u06cc\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.desopipe.com\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#Does_a_Carrier_Pipe_Certificate_Cover_the_Insulated_Assembly\" >\u0626\u0627\u06cc\u0627 \u0628\u0695\u0648\u0627\u0646\u0627\u0645\u06d5\u06cc \u0628\u06c6\u0631\u06cc \u0647\u06d5\u06b5\u06af\u0631\u06ce\u06a9 \u06a9\u06c6\u0645\u06d5\u06b5\u06d5\u06cc \u062f\u0627\u067e\u06c6\u0634\u0631\u0627\u0648 \u062f\u0627\u062f\u06d5\u067e\u06c6\u0634\u06ce\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.desopipe.com\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#Is_Thicker_Insulation_Always_Better\" >\u0626\u0627\u06cc\u0627 \u062f\u0627\u067e\u06c6\u0634\u06cc\u0646\u06cc \u0626\u06d5\u0633\u062a\u0648\u0648\u0631\u062a\u0631 \u0647\u06d5\u0645\u06cc\u0634\u06d5 \u0628\u0627\u0634\u062a\u0631\u06d5\u061f<\/a><\/li><\/ul><\/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\/ku\/blog\/ppr-pipe\/pre-insulated-ppr-hvac-specification\/#What_Is_the_Next_Step\" >\u0647\u06d5\u0646\u06af\u0627\u0648\u06cc \u062f\u0627\u0647\u0627\u062a\u0648\u0648 \u0686\u06cc\u06cc\u06d5\u061f<\/a><\/li><\/ul><\/nav><\/div>\n\n<style data-wp-block-html=\"css\">\n.hero-card {       display: flex;       flex-wrap: wrap;       align-items: center;       background: #f7f8fa;       border-radius: 16px;       box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);       padding: 24px;       max-width: 900px;       margin: 40px auto;       font-family: 'Poppins', Arial, sans-serif;       text-decoration: none;       color: inherit;     }      .hero-image {       width: 220px;       height: auto;       border-radius: 12px;       object-fit: cover;       flex-shrink: 0;     }      .hero-content {       padding-left: 24px;       flex: 1;       min-width: 260px;     }      .hero-title {       font-size: 1.6rem;       font-weight: bold;       margin-bottom: 12px;       color: #222;       font-family: 'Poppins', Arial, sans-serif;     }      .hero-description {       font-size: 1rem;       color: #555;       margin-bottom: 18px;       line-height: 1.5;     }      .hero-link {       display: inline-block;       padding: 10px 20px;       background-color: #0066cc;       color: #fff;       text-decoration: none;       border-radius: 8px;       font-weight: bold;       transition: background 0.2s ease-in-out;     }      .hero-link:hover {       background-color: #004c99;     }      @media (max-width: 640px) {       .hero-card {         flex-direction: column;         text-align: center;       }        .hero-content {         padding-left: 0;         padding-top: 20px;       }        .hero-image {         width: 100%;         max-width: 280px;       }     }\n<\/style>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick_Answer\"><\/span>Jawaban Cepat<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u067e\u06ce\u0648\u0627\u0646\u06d5\u06cc\u06d5\u06a9\u06cc HVAC \u06cc PPR \u06cc \u067e\u06ce\u0634-\u062f\u0627\u067e\u06c6\u0634\u0631\u0627\u0648 \u0628\u06d5 \u0626\u06d5\u0631\u06a9 \u062f\u06d5\u0633\u062a \u067e\u06ce \u062f\u06d5\u06a9\u0627\u062a: \u062e\u0632\u0645\u06d5\u062a\u06af\u0648\u0632\u0627\u0631\u06cc\u060c \u067e\u0644\u06d5\u06a9\u0627\u0646\u06cc \u06af\u06d5\u0631\u0645\u0627\u060c \u067e\u06d5\u0633\u062a\u0627\u0646 \u0648 \u067e\u0695\u0698\u06d5\u060c \u0695\u06ce\u0698\u06d5\u06cc \u062a\u06ce\u067e\u06d5\u0695\u06cc\u0646\u060c \u0695\u06ce\u06af\u0627 \u0648 \u062e\u0627\u06b5\u06cc \u0634\u06d5\u0648\u0628\u06c6. \u0644\u06d5\u0648\u06ce\u0634\u06d5\u0648\u06d5\u060c \u067e\u06c6\u0644\u06cc \u0647\u06d5\u06b5\u06af\u0631\u060c \u062a\u0627\u06cc\u0628\u06d5\u062a\u0645\u06d5\u0646\u062f\u06cc\u06cc\u06d5\u06a9\u0627\u0646\u06cc \u0641\u06c6\u0645\u060c \u0628\u0646\u06d5\u0645\u0627\u06cc \u0626\u06d5\u0633\u062a\u0648\u0648\u0631\u06cc\u060c \u0628\u06d5\u0631\u06af \u0648 \u0628\u06d5\u0631\u0628\u06d5\u0633\u062a\u06cc \u0647\u06d5\u06b5\u0645\u060c \u0628\u0648\u0627\u0631\u06cc \u0644\u06a9\u06d5\u06a9\u0627\u0646\u060c \u062a\u06c6\u0645\u0627\u0631\u06cc QA \u0648 \u062e\u0634\u062a\u06d5\u06cc RFQ \u062f\u06cc\u0627\u0631\u06cc \u0628\u06a9\u06d5. \u0644\u0627\u067e\u06d5\u0695\u06d5\u06cc \u0628\u06b5\u0627\u0648\u06a9\u0631\u0627\u0648\u06d5\u06cc DESO \u0628\u06c6\u0631\u06cc \u0647\u06d5\u06b5\u06af\u0631\u06cc PPR\u060c \u0641\u06c6\u0645\u06cc \u0695\u06d5\u0642\u06cc PUR \u0648 \u0628\u06d5\u0631\u06af\u06cc HDPE \u06cc\u0627\u0646 PVC \u0648\u06d5\u0633\u0641 \u062f\u06d5\u06a9\u0627\u062a. \u067e\u06ce\u0634 \u0626\u06d5\u0648\u06d5\u06cc \u062f\u0627\u0648\u0627 \u0628\u06a9\u06d5\u06cc\u062a\u060c \u062f\u0627\u062a\u0627\u0634\u06cc \u0626\u06ce\u0633\u062a\u0627\u060c \u062e\u0634\u062a\u06d5\u06cc SKU \u0648 \u0628\u0648\u0627\u0631\u06cc \u0628\u0695\u0648\u0627\u0646\u0627\u0645\u06d5 \u067e\u0634\u062a\u0695\u0627\u0633\u062a \u0628\u06a9\u06d5\u0631\u06d5\u0648\u06d5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Does_a_Product_List_Make_a_Weak_HVAC_Specification\"><\/span>\u0628\u06c6\u0686\u06cc \u0644\u06cc\u0633\u062a\u06cc \u0628\u06d5\u0631\u0647\u06d5\u0645\u06ce\u06a9 \u067e\u06ce\u0648\u0627\u0646\u06d5\u06cc\u06d5\u06a9\u06cc \u0644\u0627\u0648\u0627\u0632\u06cc HVAC \u062f\u0631\u0648\u0633\u062a \u062f\u06d5\u06a9\u0627\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062f\u0648\u0648 \u0647\u06ce\u06b5\u06cc \u06a9\u0627\u062a\u0627\u0644\u06c6\u06af \u062f\u06d5\u062a\u0648\u0627\u0646\u0646 \u0642\u06cc\u0627\u0633\u06cc \u062f\u06d5\u0631\u06d5\u06a9\u06cc \u0647\u0627\u0648\u0628\u06d5\u0634 \u0628\u06a9\u06d5\u0646 \u0648 \u0647\u06ce\u0634\u062a\u0627 \u0626\u06d5\u0633\u062a\u0648\u0648\u0631\u06cc \u062f\u06cc\u0648\u0627\u0631\u06cc \u062c\u06cc\u0627\u0648\u0627\u0632\u060c \u062a\u0627\u06cc\u0628\u06d5\u062a\u0645\u06d5\u0646\u062f\u06cc\u06cc\u06d5\u06a9\u0627\u0646\u06cc \u0641\u06c6\u0645\u060c \u067e\u06ce\u06a9\u0647\u0627\u062a\u06d5\u06cc \u0628\u06d5\u0631\u06af \u0648 \u0628\u0648\u0627\u0631\u06cc \u0644\u06a9\u06d5\u06a9\u0627\u0646 \u0628\u0634\u0627\u0631\u0646\u06d5\u0648\u06d5. \u0626\u06d5\u06af\u06d5\u0631 RFQ \u06cc \u062a\u06c6 \u062a\u06d5\u0646\u0647\u0627 \u0626\u06d5\u0648 \u0647\u06ce\u06b5\u06d5 \u062f\u0648\u0648\u0628\u0627\u0631\u06d5 \u0628\u06a9\u0627\u062a\u06d5\u0648\u06d5\u060c \u0647\u06d5\u0645\u0648\u0648 \u062f\u0627\u0628\u06cc\u0646\u06a9\u06d5\u0631\u06ce\u06a9 \u062f\u06d5\u062a\u0648\u0627\u0646\u06ce\u062a \u062f\u0631\u0648\u0633\u062a\u06a9\u0631\u062f\u0646\u06ce\u06a9\u06cc \u062c\u06cc\u0627\u0648\u0627\u0632 \u0646\u0631\u062e \u0628\u062f\u0627\u062a \u0648 \u067e\u06ce\u06cc \u0628\u06b5\u06ce\u062a \u0695\u06ce\u06a9\u0648\u067e\u06ce\u06a9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u06d5\u0634\u062a \u0628\u0695\u06cc\u0627\u0631\u06d5\u06a9\u06d5\u06cc \u062e\u0648\u0627\u0631\u06d5\u0648\u06d5 \u0644\u0627\u067e\u06d5\u0695\u06d5\u06cc\u06d5\u06a9\u06cc \u0626\u06d5\u0631\u06a9 \u062f\u06d5\u06af\u06c6\u0695\u0646 \u0628\u06c6 RFQ \u06cc\u06d5\u06a9 \u06a9\u06d5 \u062f\u0627\u0628\u06cc\u0646\u06a9\u06d5\u0631\u06d5\u06a9\u0627\u0646 \u062f\u06d5\u062a\u0648\u0627\u0646\u0646 \u0644\u06d5\u0633\u06d5\u0631 \u06cc\u06d5\u06a9 \u0628\u0646\u06d5\u0645\u0627 \u0648\u06d5\u06b5\u0627\u0645\u06cc \u0628\u062f\u06d5\u0646\u06d5\u0648\u06d5. \u0647\u06d5\u0645\u0627\u0646 \u067e\u0634\u06a9\u0646\u06cc\u0646\u06d5\u06a9\u0627\u0646 \u067e\u06ce\u0648\u06cc\u0633\u062a\u062a \u067e\u06ce\u06cc\u0627\u0646\u06d5 \u0628\u06c6 \u0626\u06d5\u0648\u06d5\u06cc \u067e\u0634\u06a9\u0646\u06cc\u0646 \u0628\u06a9\u06d5\u06cc\u062a \u067e\u06ce\u0634 \u0626\u06d5\u0648\u06d5\u06cc \u0647\u06d5\u06b5\u06af\u0631\u060c \u062f\u0627\u067e\u06c6\u0634\u06cc\u0646\u060c \u0628\u06d5\u0631\u06af \u0648 \u0644\u06a9\u06d5\u06a9\u0627\u0646 \u0648 \u0628\u06d5\u06b5\u06af\u06d5\u0646\u0627\u0645\u06d5\u06a9\u0627\u0646 \u067e\u06d5\u0633\u06d5\u0646\u062f \u0628\u06a9\u06d5\u06cc\u062a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Conditions_Define_the_HVAC_Duty\"><\/span>\u0686 \u0645\u06d5\u0631\u062c\u06ce\u06a9 \u0626\u06d5\u0631\u06a9\u06cc HVAC \u062f\u06cc\u0627\u0631\u06cc \u062f\u06d5\u06a9\u0627\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-1-8.webp\" alt=\"Diagram showing a three-step decision flow for pre-insulated PPR HVAC specification: Service basis, Pipe system, and Submittal, each with a buyer check.\" class=\"wp-image-9499\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-1-8.webp 1200w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-1-8-500x281.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-1-8-300x169.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-1-8-768x432.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-1-8-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-1-8-133x75.webp 133w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-1-8-480x270.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-1-8-800x450.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u06d5 \u0626\u06d5\u0631\u06a9 \u062f\u06d5\u0633\u062a \u067e\u06ce \u0628\u06a9\u06d5\u060c \u067e\u0627\u0634\u0627\u0646 \u0628\u06c6\u0631\u06cc\u06cc\u06d5\u06a9\u06d5 \u0647\u06d5\u06b5\u0628\u0698\u06ce\u0631\u06d5. \u0628\u0646\u0648\u0648\u0633\u06d5 \u0686\u06cc \u0633\u06cc\u0633\u062a\u06d5\u0645\u06d5\u06a9\u06d5 \u0647\u06d5\u06b5\u062f\u06d5\u06af\u0631\u06ce\u062a\u060c \u0686\u06d5\u0646\u062f \u06af\u06d5\u0631\u0645 \u06cc\u0627\u0646 \u0633\u0627\u0631\u062f\u06d5\u060c \u0648 \u0695\u06ce\u06af\u0627\u06a9\u06d5 \u0686\u06cc \u0644\u06d5\u0628\u06d5\u0631\u062f\u06d5\u0645\u06cc\u062f\u0627\u06cc\u06d5. \u0647\u06ce\u06b5\u06cc \u06af\u06d5\u0631\u0645\u06a9\u06d5\u0631\u06d5\u0648\u06d5 \u0648 \u0647\u06ce\u06b5\u06cc \u0626\u0627\u0648\u06cc \u0633\u0627\u0631\u062f\u06a9\u0631\u0627\u0648 \u062f\u06d5\u062a\u0648\u0627\u0646\u0646 \u0642\u06cc\u0627\u0633\u06ce\u06a9\u06cc \u0647\u0627\u0648\u0628\u06d5\u0634 \u0628\u06a9\u06d5\u0646 \u0648 \u0647\u06ce\u0634\u062a\u0627 \u067e\u06ce\u0648\u06cc\u0633\u062a\u06cc\u0627\u0646 \u0628\u06d5 \u0644\u06c6\u062c\u06cc\u06a9\u06cc \u062c\u06cc\u0627\u0648\u0627\u0632\u06cc \u062f\u0627\u067e\u06c6\u0634\u06cc\u0646 \u0628\u06ce\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0626\u06d5\u0645 \u0628\u0648\u0627\u0631\u0627\u0646\u06d5 \u067e\u06ce\u0634 \u0626\u06d5\u0648\u06d5\u06cc \u062f\u0627\u0648\u0627\u06cc \u0646\u0631\u062e \u0628\u06a9\u06d5\u06cc\u062a \u062a\u06c6\u0645\u0627\u0631 \u0628\u06a9\u06d5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062e\u0632\u0645\u06d5\u062a\u06af\u0648\u0632\u0627\u0631\u06cc: \u06af\u06d5\u0631\u0645\u06a9\u06d5\u0631\u06d5\u0648\u06d5\u060c \u0626\u0627\u0648\u06cc \u0633\u0627\u0631\u062f\u06a9\u0631\u0627\u0648\u060c \u0626\u0627\u0648\u06cc \u06a9\u06c6\u0646\u062f\u06ce\u0646\u0633\u06d5\u0631 \u06cc\u0627\u0646 \u0626\u06d5\u0631\u06a9\u06ce\u06a9\u06cc \u062a\u0631 \u06a9\u06d5 \u067e\u06d5\u0633\u06d5\u0646\u062f \u06a9\u0631\u0627\u0648\u06d5.<\/li>\n\n\n\n<li>\u067e\u0644\u06d5\u06a9\u0627\u0646\u06cc \u06af\u06d5\u0631\u0645\u0627 \u062f\u06cc\u0632\u0627\u06cc\u0646: \u06af\u06d5\u06cc\u0627\u0646\u062f\u0646\u060c \u06af\u06d5\u0695\u0627\u0646\u06d5\u0648\u06d5\u060c \u06a9\u06d5\u0645\u062a\u0631\u06cc\u0646 \u0648 \u0632\u06c6\u0631\u062a\u0631\u06cc\u0646.<\/li>\n\n\n\n<li>\u067e\u06d5\u0633\u062a\u0627\u0646 \u0648 \u067e\u0695\u0698\u06d5\u06cc \u062f\u06cc\u0632\u0627\u06cc\u0646: \u067e\u06d5\u0633\u062a\u0627\u0646\u06cc \u06a9\u0627\u0631\u06a9\u0631\u062f\u0646 \u067e\u0644\u0633 \u0686\u06d5\u06a9\u0648\u0634 \u06cc\u0627\u0646 \u0695\u06ce\u06af\u06d5\u067e\u06ce\u062f\u0631\u0627\u0648\u06cc \u06a9\u0627\u062a\u06cc.<\/li>\n\n\n\n<li>\u0695\u06ce\u0698\u06d5\u06cc \u062a\u06ce\u067e\u06d5\u0695\u06cc\u0646: \u0695\u06ce\u0698\u06d5\u06cc \u062a\u06ce\u067e\u06d5\u0695\u06cc\u0646\u06cc \u062f\u06cc\u0632\u0627\u06cc\u0646 \u0648 \u0633\u0646\u0648\u0648\u0631\u06cc \u062e\u06ce\u0631\u0627\u06cc\u06cc.<\/li>\n\n\n\n<li>\u0634\u0648\u06ce\u0646: \u0646\u0627\u0648\u062e\u06c6\u060c \u062f\u06d5\u0631\u06d5\u0648\u06d5\u060c \u0646\u06ce\u0698\u0631\u0627\u0648\u060c \u062a\u06d5\u0695 \u06cc\u0627\u0646 \u0628\u06d5\u0631\u06a9\u06d5\u0648\u062a\u0648\u0648 \u0628\u06d5 \u062a\u06cc\u0634\u06a9\u06cc UV.<\/li>\n\n\n\n<li>\u062e\u0627\u06b5\u06cc \u0634\u06ce\u06cc \u062f\u06d5\u0648\u0631\u0648\u0628\u06d5\u0631: \u067e\u06ce\u0648\u06cc\u0633\u062a\u06d5 \u0628\u06c6 \u067e\u0634\u06a9\u0646\u06cc\u0646\u06cc \u06a9\u06c6\u0646\u0633\u062a\u06ce\u0646\u0633\u06d5\u0631\u06cc \u0626\u0627\u0648\u06cc \u0633\u0627\u0631\u062f\u06a9\u0631\u0627\u0648.<\/li>\n\n\n\n<li>\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0648 \u062a\u06d5\u0645\u06d5\u0646\u06cc \u062f\u06cc\u0632\u0627\u06cc\u0646: \u06a9\u06c6\u062f\u06cc \u067e\u0695\u06c6\u0698\u06d5\u060c \u0648\u06d5\u0634\u0627\u0646\u062f\u0646 \u0648 \u062a\u06d5\u0645\u06d5\u0646\u06cc \u062e\u0632\u0645\u06d5\u062a\u06af\u0648\u0632\u0627\u0631\u06cc \u067e\u06ce\u0648\u06cc\u0633\u062a.<\/li>\n\n\n\n<li>\u067e\u0695\u06c6\u062a\u06c6\u06a9\u06c6\u06b5\u06cc \u062a\u0627\u0642\u06cc\u06a9\u0631\u062f\u0646\u06d5\u0648\u06d5: \u062a\u0627\u0642\u06cc\u06a9\u0631\u062f\u0646\u06d5\u0648\u06d5\u06cc \u067e\u06d5\u0633\u062a\u0627\u0646\u06cc \u0634\u0648\u06ce\u0646 \u0648 \u0645\u06cc\u062a\u06c6\u062f\u06cc \u0642\u0628\u0648\u06b5\u06a9\u0631\u062f\u0646.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0626\u06d5\u0645 \u062f\u0627\u062e\u06b5\u0627\u0646\u06d5 \u0647\u06d5\u0645 \u0628\u0695\u06cc\u0627\u0631\u06cc \u0647\u06d5\u06b5\u06af\u0631 \u0648 \u0647\u06d5\u0645 \u062f\u0627\u067e\u06c6\u0634\u06cc\u0646 \u062f\u06cc\u0627\u0631\u06cc \u062f\u06d5\u06a9\u06d5\u0646. \u0626\u06d5\u06af\u06d5\u0631 \u06cc\u06d5\u06a9\u06ce\u06a9 \u0644\u06d5\u0648\u0627\u0646\u06d5 \u0646\u06d5\u0628\u06ce\u062a\u060c \u062f\u0627\u0628\u06cc\u0646\u06a9\u06d5\u0631 \u0646\u0627\u0686\u0627\u0631\u06d5 \u062a\u06ce\u0628\u06cc\u0646\u06cc \u0628\u06a9\u0627\u062a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Carrier_Pipe_Class_Should_You_Specify\"><\/span>\u0686 \u067e\u06c6\u0644\u06cc \u0628\u06c6\u0631\u06cc \u0647\u06d5\u06b5\u06af\u0631\u06ce\u06a9 \u062f\u06d5\u0628\u06ce\u062a \u062f\u06cc\u0627\u0631\u06cc \u0628\u06a9\u06d5\u06cc\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PPR \u06a9\u06c6\u067e\u06c6\u0644\u06cc\u0645\u06d5\u0631\u06cc \u0695\u0627\u0646\u062f\u0645\u06cc \u067e\u06c6\u0644\u06cc\u067e\u0631\u0648\u067e\u06cc\u0644\u06cc\u0646\u06d5. PP-RCT \u067e\u0644\u06d5\u06cc\u06d5\u06a9\u06cc \u062e\u0627\u0648\u0628\u0648\u0648\u0646\u06cc \u0628\u06d5\u0631\u0632\u062a\u0631\u06d5. \u062f\u0627\u0645\u06d5\u0632\u0631\u0627\u0648\u06d5\u06cc \u0628\u06c6\u0631\u06cc \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9\u06cc \u0695\u0627\u06cc\u06af\u06d5\u06cc\u0627\u0646\u062f\u0648\u0648\u06d5 \u06a9\u06d5 PP-RCT \u062f\u06d5\u062a\u0648\u0627\u0646\u06ce\u062a \u0646\u0632\u06cc\u06a9\u06d5\u06cc 25% \u0632\u06cc\u0627\u062a\u0631 \u0644\u06d5 PP-R \u0644\u06d5 \u0647\u06d5\u0645\u0627\u0646 \u0626\u06d5\u0633\u062a\u0648\u0648\u0631\u06cc \u062f\u06cc\u0648\u0627\u0631\u06cc \u0648 \u067e\u0644\u06d5\u06cc \u06af\u06d5\u0631\u0645\u06cc\u062f\u0627 \u0647\u06d5\u06b5\u06af\u0631\u06ce\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PN \u067e\u06c6\u0644\u06cc \u067e\u06d5\u0633\u062a\u0627\u0646\u06ce\u06a9\u06cc \u0646\u0627\u0648\u06d5\u06a9\u06cc\u06cc\u06d5\u060c \u0646\u06d5\u06a9 \u0628\u06d5\u06b5\u06ce\u0646\u06cc \u067e\u06d5\u0633\u062a\u0627\u0646\u06cc \u06a9\u0627\u0631\u06a9\u0631\u062f\u0646 \u0644\u06d5 \u0647\u06d5\u0645\u0648\u0648 \u067e\u0644\u06d5\u06cc\u06d5\u06a9\u06cc \u06af\u06d5\u0631\u0645\u06cc\u062f\u0627. \u062a\u0648\u0627\u0646\u0627\u06cc \u067e\u06d5\u0633\u062a\u0627\u0646 \u067e\u0634\u062a \u0628\u06d5 \u0645\u0627\u062f\u062f\u06d5\u060c \u0626\u06d5\u0633\u062a\u0648\u0648\u0631\u06cc \u062f\u06cc\u0648\u0627\u0631\u06cc \u0648 SDR \u062f\u06d5\u0628\u06d5\u0633\u062a\u06ce\u062a\u060c \u067e\u0627\u0634\u0627\u0646 \u0628\u06d5 \u067e\u06d5\u0633\u062a\u0627\u0646\u06cc \u0695\u06ce\u06af\u06d5\u067e\u06ce\u062f\u0631\u0627\u0648 \u0644\u06d5 \u067e\u0644\u06d5\u06cc \u06af\u06d5\u0631\u0645\u0627\u06cc \u062f\u06cc\u0632\u0627\u06cc\u0646\u062f\u0627. \u067e\u06c6\u0644\u06ce\u06a9 \u06a9\u06d5 \u0644\u06d5 \u067e\u0644\u06d5\u06cc \u06af\u06d5\u0631\u0645\u0627\u06cc \u062f\u06d5\u0648\u0631\u0648\u0628\u06d5\u0631\u062f\u0627 \u0628\u06d5\u0633 \u0628\u06ce\u062a\u060c \u0644\u06d5 \u067e\u0644\u06d5\u06cc \u06af\u06d5\u0631\u0645\u0627\u06cc \u062f\u06cc\u0632\u0627\u06cc\u0646\u062f\u0627 \u062f\u06d5\u06a9\u0631\u06ce\u062a \u067e\u06d5\u0633\u062a\u0627\u0646\u06ce\u06a9\u06cc \u06a9\u06d5\u0645\u062a\u0631 \u0628\u06ce\u062a. \u0628\u062e\u0648\u06ce\u0646\u06d5\u0648\u06d5 <a href=\"https:\/\/www.desopipe.com\/ku\/blog\/ppr-pipe\/understanding-ppr-pipe-pressure-ratings\/\" rel=\"noopener noreferrer\" target=\"_blank\">\u0686\u06c6\u0646 PN\u060c SDR \u0648 \u067e\u0644\u06d5\u06cc \u06af\u06d5\u0631\u0645\u0627 \u06cc\u06d5\u06a9\u062a\u0631 \u062f\u06d5\u06af\u0631\u0646\u06d5\u0648\u06d5<\/a> \u067e\u06ce\u0634 \u0626\u06d5\u0648\u06d5\u06cc \u067e\u06c6\u0644\u06d5\u06a9\u06d5 \u062f\u06cc\u0627\u0631\u06cc \u0628\u06a9\u06d5\u06cc\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO <a href=\"https:\/\/www.desopipe.com\/ku\/ppr-pipe-for-hvac-heating\/\" rel=\"noopener noreferrer\" target=\"_blank\">\u0628\u0627\u0632\u0646\u06d5\u06cc \u06a9\u0627\u0631\u067e\u06ce\u06a9\u0631\u062f\u0646\u06cc HVAC<\/a> \u0644\u06cc\u0633\u062a\u06d5\u06a9\u0627\u0646\u06cc -20 C \u0628\u06c6 +95 C\u060c PN10 \u0628\u06c6 PN20 \u0648 20 \u0645\u0645 \u0628\u06c6 160 \u0645\u0645\u060c \u0644\u06d5\u06af\u06d5\u06b5 \u062a\u06d5\u0645\u06d5\u0646\u06cc \u062f\u06cc\u0632\u0627\u06cc\u0646\u06cc 50+ \u0633\u0627\u06b5 \u0644\u06d5 70 C. \u0626\u06d5\u0645\u06d5 \u0648\u06d5\u06a9 \u0628\u0627\u0632\u0646\u06d5\u06cc \u0628\u06b5\u0627\u0648\u06a9\u0631\u0627\u0648\u06d5\u06cc DESO \u0648\u06d5\u0631\u06af\u0631\u06d5\u060c \u0646\u06d5\u06a9 \u0647\u06d5\u06b5\u0628\u0698\u0627\u0631\u062f\u06d5\u06cc\u06d5\u06a9\u06cc \u06af\u0634\u062a\u06af\u06cc\u0631. \u0647\u06d5\u0645\u0627\u0646 \u0644\u0627\u067e\u06d5\u0695\u06d5 \u062f\u06d5\u06b5\u06ce\u062a \u0647\u06d5\u06b5\u0628\u0698\u0627\u0631\u062f\u0646 \u062f\u06d5\u0628\u06ce\u062a \u0644\u06d5\u06af\u06d5\u06b5 \u067e\u0644\u06d5\u06cc \u06af\u06d5\u0631\u0645\u0627\u060c \u067e\u06d5\u0633\u062a\u0627\u0646\u060c PN\/SDR\u060c \u0695\u06ce\u0698\u06d5\u06cc \u062a\u06ce\u067e\u06d5\u0695\u06cc\u0646\u060c \u06a9\u06cc\u0645\u06cc\u0627\u06cc \u0634\u0644\u06d5\u0645\u06d5\u0646\u06cc\u060c \u0641\u0631\u0627\u0648\u0627\u0646\u0628\u0648\u0648\u0646 \u0648 \u067e\u0695\u0698\u06d5 \u0628\u06af\u0648\u0646\u062c\u06ce\u062a. DESO <a href=\"https:\/\/www.desopipe.com\/ku\/product\/pp-rct-pipe\/\" rel=\"noopener noreferrer\" target=\"_blank\">\u0644\u0627\u067e\u06d5\u0695\u06d5\u06cc \u0647\u06d5\u06b5\u06af\u0631\u06cc PP-RCT<\/a> \u0626\u0627\u0645\u0627\u0698\u06d5\u06cc\u06d5\u06a9\u06cc \u062e\u06ce\u0632\u0627\u0646\u06d5\u060c \u0646\u06d5\u06a9 \u062e\u0634\u062a\u06d5\u06cc\u06d5\u06a9\u06cc SKU \u06cc \u0686\u0627\u0631\u06d5\u0633\u06d5\u0631\u06a9\u0631\u0627\u0648. \u062f\u0627\u0648\u0627\u06cc \u0644\u0627\u067e\u06d5\u0695\u06d5\u06cc SKU \u06cc \u0626\u06ce\u0633\u062a\u0627 \u0648 \u062e\u0634\u062a\u06d5\u06cc \u067e\u06d5\u0633\u062a\u0627\u0646-\u067e\u0644\u06d5\u06cc \u06af\u06d5\u0631\u0645\u0627 \u0628\u06a9\u06d5 \u0628\u06c6 \u0642\u06cc\u0627\u0633\u06cc \u0648\u0631\u062f \u067e\u06ce\u0634 \u0626\u06d5\u0648\u06d5\u06cc \u0646\u0631\u062e \u0628\u062f\u06d5\u06cc\u062a.<\/p>\n\n\n\n<!DOCTYPE html>\r\n<html lang=\"en\">\r\n<head>\r\n  <title>Kategori Gezinme Kart\u0131<\/title>\r\n  <style>\r\n    .nav-hero-card {\r\n      position: relative;\r\n      display: block;\r\n      width: 100%;\r\n      max-width: 900px;\r\n      height: 380px;\r\n      margin: 40px auto;\r\n      border-radius: 16px;\r\n      overflow: hidden;\r\n      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);\r\n      text-decoration: none;\r\n      font-family: 'Poppins', Arial, sans-serif;\r\n    }\r\n\r\n    .nav-hero-bg {\r\n      position: absolute;\r\n      top: 0;\r\n      left: 0;\r\n      width: 100%;\r\n      height: 100%;\r\n      object-fit: cover;\r\n      transition: transform 0.4s ease-in-out;\r\n      z-index: 1;\r\n    }\r\n\r\n    .nav-hero-card:hover .nav-hero-bg {\r\n      transform: scale(1.03);\r\n    }\r\n\r\n    .nav-hero-overlay {\r\n      position: absolute;\r\n      top: 0;\r\n      left: 0;\r\n      width: 100%;\r\n      height: 100%;\r\n      background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.2));\r\n      z-index: 2;\r\n    }\r\n\r\n    .nav-hero-content {\r\n      position: absolute;\r\n      bottom: 0;\r\n      left: 0;\r\n      width: 100%;\r\n      padding: 36px;\r\n      box-sizing: border-box;\r\n      z-index: 3;\r\n      color: #fff;\r\n    }\r\n\r\n    .nav-hero-title {\r\n      font-size: 2rem;\r\n      font-weight: bold;\r\n      margin-bottom: 10px;\r\n      color: #ffffff;\r\n      font-family: 'Poppins', Arial, sans-serif;\r\n    }\r\n\r\n    .nav-hero-description {\r\n      font-size: 1.05rem;\r\n      color: #e0e0e0;\r\n      margin-bottom: 20px;\r\n      max-width: 700px;\r\n      line-height: 1.5;\r\n    }\r\n\r\n    .nav-hero-link {\r\n      display: inline-block;\r\n      padding: 12px 26px;\r\n      background-color: #0066cc;\r\n      color: #fff;\r\n      text-decoration: none;\r\n      border-radius: 8px;\r\n      font-weight: bold;\r\n      transition: background 0.2s ease-in-out;\r\n    }\r\n\r\n    .nav-hero-link:hover {\r\n      background-color: #004c99;\r\n    }\r\n\r\n    @media (max-width: 640px) {\r\n      .nav-hero-card {\r\n        height: 420px;\r\n      }\r\n      .nav-hero-content {\r\n        padding: 24px;\r\n      }\r\n      .nav-hero-title {\r\n        font-size: 1.5rem;\r\n      }\r\n      .nav-hero-description {\r\n        font-size: 0.95rem;\r\n      }\r\n    }\r\n  <\/style>\r\n<\/head>\r\n<body>\r\n\r\n<a class=\"nav-hero-card\" href=\"https:\/\/www.desopipe.com\/ku\/product\/\" target=\"_blank\" rel=\"noopener\">\r\n  <img decoding=\"async\" class=\"nav-hero-bg\" src=\"https:\/\/deso.b-cdn.net\/wp-content\/uploads\/2025\/02\/2-800x800.webp\" alt=\"Deso PPR Pipe and Fittings Product Range\">\r\n  <div class=\"nav-hero-overlay\"><\/div>\r\n  <div class=\"nav-hero-content\">\r\n    <div class=\"nav-hero-title\">\u0686\u0627\u0631\u06d5\u0633\u06d5\u0631\u06d5\u06a9\u0627\u0646\u06cc \u062a\u06d5\u0648\u0627\u0648\u06cc \u0628\u06c6\u0631\u06cc PPR \u0644\u06ce\u06a9\u0628\u06a9\u06d5\u0648\u06d5<\/div>\r\n    <div class=\"nav-hero-description\">\r\n      \u06a9\u0627\u062a\u0627\u0644\u06c6\u06af\u06cc \u062a\u06d5\u0648\u0627\u0648\u06cc \u0628\u06c6\u0631\u06cc\u06cc\u06d5\u06a9\u0627\u0646\u06cc PPR \u06cc \u0628\u06d5\u0631\u0632-\u06a9\u0627\u0631\u0627\u06cc\u06cc\u060c \u0647\u06ce\u06b5\u06d5\u06a9\u0627\u0646\u06cc \u067e\u06ce\u06a9\u0647\u0627\u062a\u06d5\u06cc \u0641\u06cc\u0628\u06d5\u0631\u060c \u062f\u0627\u0646\u06d5\u067e\u0627\u06b5\u06d5\u06a9\u0627\u0646\u060c \u0648 \u0626\u0627\u0645\u06ce\u0631\u06d5\u06a9\u0627\u0646\u06cc \u0644\u06d5\u0641\u06a9\u06d5\u0631\u062f\u0646\u06cc \u067e\u06cc\u0634\u06d5\u06cc\u06cc \u06a9\u06d5 \u0628\u06c6 \u067e\u0695\u06c6\u0698\u06d5\u06a9\u0627\u0646\u06cc \u067e\u06cc\u0634\u06d5\u0633\u0627\u0632\u06cc \u0648 \u0646\u06cc\u0634\u062a\u06d5\u062c\u06ce\u0628\u0648\u0648\u0646\u06cc \u062c\u06cc\u0647\u0627\u0646\u06cc \u062f\u06cc\u0632\u0627\u06cc\u0646 \u06a9\u0631\u0627\u0648\u0646\u060c \u062f\u06c6\u0632\u06d5\u0631\u06d5\u0648\u06d5.\r\n    <\/div>\r\n    <span class=\"nav-hero-link\">Hem\u00fb Berheman Bib\u00eene<\/span>\r\n  <\/div>\r\n<\/a>\r\n\r\n<\/body>\r\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Foam_Properties_Should_the_RFQ_Require\"><\/span>\u0686 \u062a\u0627\u06cc\u0628\u06d5\u062a\u0645\u06d5\u0646\u062f\u06cc\u06cc\u06d5\u06a9\u06cc \u0641\u06c6\u0645 \u062f\u06d5\u0628\u06ce\u062a RFQ \u062f\u0627\u0648\u0627\u0628\u06a9\u0627\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u06c6 \u067e\u0695\u06c6\u0698\u06d5\u06cc\u06d5\u06a9\u06cc HVAC \u06cc PPR \u06cc \u067e\u06ce\u0634-\u062f\u0627\u067e\u06c6\u0634\u0631\u0627\u0648\u060c \u201c\u0641\u06c6\u0645\u06cc PUR\u201d \u062e\u06ce\u0632\u0627\u0646\u06ce\u06a9\u06cc \u0645\u0627\u062f\u062f\u06d5 \u0648\u06d5\u0633\u0641 \u062f\u06d5\u06a9\u0627\u062a\u060c \u0646\u06d5\u06a9 \u062f\u0627\u067e\u06c6\u0634\u06cc\u0646\u06ce\u06a9\u06cc \u062a\u06d5\u0648\u0627\u0648. \u062f\u0648\u0648 \u062f\u0627\u0628\u06cc\u0646\u06a9\u06d5\u0631 \u062f\u06d5\u062a\u0648\u0627\u0646\u0646 PUR \u06cc \u0695\u06d5\u0642 \u0628\u06d5\u06a9\u0627\u0631\u0628\u0647\u06ce\u0646\u0646 \u0648 \u0686\u0695\u06cc \u062c\u06cc\u0627\u0648\u0627\u0632\u060c \u067e\u06ce\u06a9\u0647\u0627\u062a\u06d5\u06cc \u062e\u0627\u0646\u06d5\u060c \u0647\u06d5\u06b5\u0645\u0698\u06cc\u0646\u06cc \u0626\u0627\u0648 \u0648 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u06af\u06d5\u0631\u0645\u06cc \u067e\u06ce\u0634\u06a9\u06d5\u0634 \u0628\u06a9\u06d5\u0646. \u062a\u06d5\u0646\u0647\u0627 \u0646\u0627\u0648\u0646\u06cc\u0634\u0627\u0646\u06cc \u0628\u06d5\u0631\u0647\u06d5\u0645 \u0628\u06d5\u0633 \u0646\u06cc\u06cc\u06d5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0626\u06d5\u0645 \u062a\u0627\u06cc\u0628\u06d5\u062a\u0645\u06d5\u0646\u062f\u06cc\u06cc\u0627\u0646\u06d5 \u062f\u0627\u0648\u0627\u0628\u06a9\u06d5 \u0644\u06d5\u06af\u06d5\u06b5 \u062a\u06ce\u067e\u06d5\u0695\u06cc\u0646 \u0648 \u0645\u06cc\u062a\u06c6\u062f\u06cc \u062a\u0627\u0642\u06cc\u06a9\u0631\u062f\u0646\u06d5\u0648\u06d5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0686\u0695\u06cc \u0648 \u062a\u06ce\u067e\u06d5\u0695\u06cc\u0646.<\/li>\n\n\n\n<li>\u06af\u06d5\u06cc\u0627\u0646\u062f\u0646\u06cc \u06af\u06d5\u0631\u0645\u06cc \u0644\u06d5 \u067e\u0644\u06d5\u06cc\u06d5\u06a9\u06cc \u06af\u06d5\u0631\u0645\u06cc \u0646\u0627\u0648\u06d5\u0646\u062f\u06cc \u062f\u06cc\u0627\u0631\u06cc\u06a9\u0631\u0627\u0648\u062f\u0627.<\/li>\n\n\n\n<li>\u0646\u0627\u0648\u06d5\u0695\u06c6\u06a9\u06cc \u062e\u0627\u0646\u06d5\u06cc \u062f\u0627\u062e\u0631\u0627\u0648.<\/li>\n\n\n\n<li>\u0647\u06d5\u06b5\u0645\u0698\u06cc\u0646\u06cc \u0626\u0627\u0648.<\/li>\n\n\n\n<li>\u062c\u06ce\u06af\u06cc\u0631\u06cc \u0695\u06ce\u0698\u06d5\u06cc\u06cc.<\/li>\n\n\n\n<li>\u0645\u06cc\u062a\u06c6\u062f\u06cc \u062a\u0627\u0642\u06cc\u06a9\u0631\u062f\u0646\u06d5\u0648\u06d5 \u0628\u06c6 \u0647\u06d5\u0631 \u0646\u0631\u062e\u06ce\u06a9.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A conductivity figure measured at room temperature may not represent the duty. For a hot line, ask for the value at the relevant mean temperature. For a cold line, moisture uptake matters as much as the dry value. DESO&#8217;s <a href=\"https:\/\/www.desopipe.com\/ku\/blog\/product-use-cases\/pre-insulated-ppr-pipe-benefits\/\" rel=\"noopener noreferrer\" target=\"_blank\">pre-insulated PPR construction<\/a> page describes a PPR carrier, rigid PUR foam and an HDPE or PVC jacket. It does not publish numeric foam density, conductivity or thickness data, so ask for the current datasheet and a batch report for your order.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Should_Insulation_Thickness_Be_Set\"><\/span>\u0686\u06c6\u0646 \u062f\u06d5\u0628\u06ce\u062a \u0626\u06d5\u0633\u062a\u0648\u0648\u0631\u06cc \u062f\u0627\u067e\u06c6\u0634\u06cc\u0646 \u062f\u06cc\u0627\u0631\u06cc \u0628\u06a9\u0631\u06ce\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Thickness has two jobs. On a hot-water line, it limits heat loss and protects the operating temperature. On a chilled-water line, it keeps the outer surface above the ambient dew point and controls condensation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For hot water, the calculation needs the fluid temperature, ambient temperature, pipe size, foam conductivity and the allowed heat loss. For chilled water, surface temperature and design dew point govern. A thickness that works in a dry plant room may fail in a humid ceiling void. The <a href=\"https:\/\/www.desopipe.com\/ku\/blog\/ppr-pipe\/ppr-pipe-for-chilled-water-system-hvac\/\" rel=\"noopener noreferrer\" target=\"_blank\">chilled-water HVAC guide<\/a> explains the condensation side in more detail.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Require a stated calculation basis, the design ambient conditions and a thickness tolerance. Say whether the thickness is measured on the foam or on the finished assembly, because the jacket and any annular gap change the outer dimension. Do not accept a table value without the basis behind it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Jacket_and_Vapour_Barrier_Fit_the_Route\"><\/span>\u0686 \u0628\u06d5\u0631\u06af \u0648 \u0628\u06d5\u0631\u0628\u06d5\u0633\u062a\u06cc \u0647\u06d5\u06b5\u0645\u06ce\u06a9 \u06af\u0648\u0646\u062c\u0627\u0648\u06d5 \u0628\u06c6 \u0695\u06ce\u06af\u0627\u06a9\u06d5\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The jacket protects the outside. The vapour barrier controls moisture movement. They are different jobs, and one build may not cover every route.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An indoor riser may need impact resistance and the project&#8217;s fire requirement. An outdoor run needs UV protection and weather resistance. A buried line needs watertightness and resistance to soil loads. A wet or humid route needs a continuous vapour barrier, sealed at joints, supports, fittings and terminations. Ask for the jacket material, wall thickness, UV treatment, watertightness, impact resistance and the method for keeping the barrier continuous.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO&#8217;s pre-insulated article describes HDPE and PVC jacket options, but it does not publish a full jacket specification. Confirm the current datasheet and state the route conditions in the RFQ. Do not assume that one jacket suits burial, outdoor exposure and an indoor plant room equally.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Should_Joints_Fittings_and_Transitions_Be_Detailed\"><\/span>\u0686\u06c6\u0646 \u062f\u06d5\u0628\u06ce\u062a \u0644\u06a9\u06d5\u06a9\u0627\u0646\u060c \u062f\u0627\u0646\u06d5\u067e\u0627\u06b5\u06d5\u06a9\u0627\u0646 \u0648 \u06af\u0648\u0627\u0633\u062a\u0646\u06d5\u0648\u06d5\u06a9\u0627\u0646 \u0648\u0631\u062f \u0628\u06a9\u0631\u06ce\u0646\u06d5\u0648\u06d5\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Joints turn a pipe package into a system. A fusion joint needs the right tool, procedure and trained operator. A factory fitting still needs field connections. A shrink sleeve must seal the jacket, and any cut foam needs a documented fill. A transition to a valve, steel pipe or another material needs a defined adapter and a vapour-tight termination.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the RFQ does not say who supplies, installs and inspects each item, the gap appears on site. Joint work is the easiest scope gap to miss. Use the table as a responsibility template and attach the supplier&#8217;s joint drawing.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Joint or transition<\/th><th>Supplied part<\/th><th>Site work<\/th><th>Inspection<\/th><th>Document<\/th><\/tr><\/thead><tbody><tr><td>Straight fusion joint<\/td><td>Pipe ends; procedure<\/td><td>Cut, clean, align, fuse<\/td><td>Joint record<\/td><td>Fusion and operator record<\/td><\/tr><tr><td>Pre-insulated fitting<\/td><td>Bend, tee or reducer<\/td><td>Field connection<\/td><td>Fusion and jacket check<\/td><td>Datasheet and batch label<\/td><\/tr><tr><td>Shrink sleeve or jacket seal<\/td><td>Sleeve and seal parts<\/td><td>Heat and seal jacket<\/td><td>Continuity check<\/td><td>Instruction and inspection record<\/td><\/tr><tr><td>Foam fill at joint<\/td><td>Foam kit or insert<\/td><td>Fill and close barrier<\/td><td>Coverage and seal<\/td><td>Foam data and batch<\/td><\/tr><tr><td>Transition to valve or other material<\/td><td>Adapter or flange<\/td><td>Install, align, seal<\/td><td>Pressure and barrier test<\/td><td>Drawing and test record<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_QA_Documents_Should_You_Request\"><\/span>\u0686 \u0628\u06d5\u06b5\u06af\u06d5\u0646\u0627\u0645\u06d5\u06cc QA \u062f\u06d5\u0628\u06ce\u062a \u062f\u0627\u0648\u0627\u0628\u06a9\u06d5\u06cc\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-2-8.webp\" alt=\"Diagram titled Pre-Insulated PPR HVAC Specification with three numbered buyer check cards labeled Duty, Construction, and Review, linked by arrows, on a white background with a teal header bar.\" class=\"wp-image-9500\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-2-8.webp 1200w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-2-8-500x281.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-2-8-300x169.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-2-8-768x432.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-2-8-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-2-8-133x75.webp 133w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-2-8-480x270.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/11\/inside-2-8-800x450.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ask for records tied to your order; a general brochure will not cover it. The package should cover the carrier, the foam, the jacket and the finished assembly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Request:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Carrier inspection report.<\/li>\n\n\n\n<li>Material batch record.<\/li>\n\n\n\n<li>Foam density and conductivity report with test methods.<\/li>\n\n\n\n<li>Dimensional check on the finished pipe.<\/li>\n\n\n\n<li>Jacket bond or seal check.<\/li>\n\n\n\n<li>Pressure test record.<\/li>\n\n\n\n<li>Packing inspection.<\/li>\n\n\n\n<li>Certificate scope statement.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DESO <a href=\"https:\/\/www.desopipe.com\/ku\/quality-inspection\/\" rel=\"noopener noreferrer\" target=\"_blank\">quality-inspection page<\/a> states 100% inspections, 50+ testing devices, batch testing and hydrostatic testing for its PPR process. Those are general PPR process claims. They do not prove that the insulated assembly, foam or jacket was tested to the same scope. Ask which document covers which part and whether the certificate applies to the carrier alone or to the supplied assembly. State in writing what each certificate covers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Belongs_in_the_Pre-Insulated_PPR_RFQ\"><\/span>\u0686\u06cc \u0644\u06d5\u0646\u0627\u0648 RFQ \u06cc \u067e\u06ce\u0634-\u062f\u0627\u067e\u06c6\u0634\u0631\u0627\u0648\u06cc PPR\u062f\u0627 \u062f\u06d5\u0628\u06ce\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Use one RFQ schedule for every supplier. Quotes in different formats are hard to compare.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>RFQ field<\/th><th>What to state<\/th><\/tr><\/thead><tbody><tr><td>Project and standard<\/td><td>Project name, location, code and edition<\/td><\/tr><tr><td>Service and location<\/td><td>Heating, chilled or condenser water; indoor, outdoor or buried<\/td><\/tr><tr><td>Carrier family and OD<\/td><td>PPR or PP-RCT, outside diameter and flow area<\/td><\/tr><tr><td>PN, SDR and temperature basis<\/td><td>Class, SDR or wall thickness, design temperature<\/td><\/tr><tr><td>Design pressure and surge<\/td><td>Working pressure plus surge allowance<\/td><\/tr><tr><td>Flow<\/td><td>Design flow and velocity limit<\/td><\/tr><tr><td>Foam properties<\/td><td>Density, conductivity at mean temperature, closed-cell content, water absorption, test methods<\/td><\/tr><tr><td>Thickness basis<\/td><td>Calculation method, ambient conditions, tolerance and measurement point<\/td><\/tr><tr><td>Jacket and barrier<\/td><td>Material, wall thickness, UV treatment, watertightness and continuity details<\/td><\/tr><tr><td>Fittings and joint kits<\/td><td>Item list, drawings, fusion procedure and responsibility split<\/td><\/tr><tr><td>QA documents<\/td><td>Required reports, batch records and certificate scope<\/td><\/tr><tr><td>Packing, marking, destination and delivery<\/td><td>Pack length, labels, destination, delivery milestone<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Add project drawings and the designer&#8217;s calculation where available. Do not leave a row blank. Write &#8220;supplier to propose&#8221; only when you will review it against the duty.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_the_Most_Common_Specification_Mistakes\"><\/span>\u0686\u06cc \u0647\u06d5\u06b5\u06d5 \u0628\u0627\u0648\u06d5\u06a9\u0627\u0646 \u0644\u06d5 \u067e\u06ce\u0648\u0627\u0646\u06d5\u062f\u0627 \u0647\u06d5\u06cc\u06d5\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">These errors often look settled until the pipe reaches site, when they become rework.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Choosing a thickness without a heat-loss or condensation calculation.<\/li>\n\n\n\n<li>Treating PN as the working pressure at every temperature.<\/li>\n\n\n\n<li>Assuming a carrier-pipe certificate covers the foam, jacket and finished assembly.<\/li>\n\n\n\n<li>Leaving joint supply, installation or inspection unassigned.<\/li>\n\n\n\n<li>Selecting a jacket without stating UV, burial, wet or indoor conditions.<\/li>\n\n\n\n<li>Describing the foam only as &#8220;PUR&#8221; and accepting no measured properties.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Each one leaves a supplier room to quote a different build.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Else_Do_Buyers_Ask\"><\/span>\u06a9\u0695\u06cc\u0627\u0631\u0627\u0646 \u0686\u06cc \u062a\u0631\u06cc \u062f\u06d5\u067e\u0631\u0633\u0646\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_You_Specify_Pre-Insulated_PPR_from_a_Pressure_Class_Alone\"><\/span>\u062f\u06d5\u062a\u0648\u0627\u0646\u06cc\u062a \u067e\u06ce\u0634-\u062f\u0627\u067e\u06c6\u0634\u0631\u0627\u0648\u06cc PPR \u062a\u06d5\u0646\u0647\u0627 \u0644\u06d5 \u067e\u06c6\u0644\u06cc \u067e\u06d5\u0633\u062a\u0627\u0646\u06ce\u06a9\u06d5\u0648\u06d5 \u062f\u06cc\u0627\u0631\u06cc \u0628\u06a9\u06d5\u06cc\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. The class is nominal. You also need the material, wall thickness or SDR, design temperature and the supplier&#8217;s pressure-temperature table for the exact SKU. Add surge, flow and the joint method. A class alone does not tell you whether the pipe suits the duty.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_a_Carrier_Pipe_Certificate_Cover_the_Insulated_Assembly\"><\/span>\u0626\u0627\u06cc\u0627 \u0628\u0695\u0648\u0627\u0646\u0627\u0645\u06d5\u06cc \u0628\u06c6\u0631\u06cc \u0647\u06d5\u06b5\u06af\u0631\u06ce\u06a9 \u06a9\u06c6\u0645\u06d5\u06b5\u06d5\u06cc \u062f\u0627\u067e\u06c6\u0634\u0631\u0627\u0648 \u062f\u0627\u062f\u06d5\u067e\u06c6\u0634\u06ce\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Not by itself. ISO 15874 covers the pipe, fittings and joints, not the foam, jacket or finished assembly. Ask for the certificate scope and separate evidence for foam properties, jacket seals and assembly tests. Confirm the exact SKU, batch and certificate coverage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Is_Thicker_Insulation_Always_Better\"><\/span>\u0626\u0627\u06cc\u0627 \u062f\u0627\u067e\u06c6\u0634\u06cc\u0646\u06cc \u0626\u06d5\u0633\u062a\u0648\u0648\u0631\u062a\u0631 \u0647\u06d5\u0645\u06cc\u0634\u06d5 \u0628\u0627\u0634\u062a\u0631\u06d5\u061f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Not automatically. Thicker insulation can reduce heat loss, but it also increases outer diameter, weight and space. For chilled water, the vapour barrier and sealing matter as much as thickness. Set thickness from a stated calculation basis, not a rule of thumb.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_the_Next_Step\"><\/span>\u0647\u06d5\u0646\u06af\u0627\u0648\u06cc \u062f\u0627\u0647\u0627\u062a\u0648\u0648 \u0686\u06cc\u06cc\u06d5\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Complete the duty sheet and RFQ table. Ask each supplier to return the joint drawing, datasheet and document package with the quotation, and to confirm in writing the exact carrier SKU, foam properties, thickness basis, jacket, joint scope and certificate coverage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A complete schedule gives every supplier the same basis for a quote. If you want DESO to review that package, <a href=\"https:\/\/www.desopipe.com\/ku\/contact\/\" rel=\"noopener noreferrer\" target=\"_blank\">send the schedule through the contact page<\/a>.<\/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\/ku\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">P\u00ea\u015fniyara Bela\u015f Bist\u00eenin<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Quick Answer A pre-insulated PPR HVAC specification starts with the duty: service, temperatures, pressure and surge, flow, route and dew point. From there, define the carrier<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":9498,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-9501","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 v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pre-Insulated PPR HVAC: 8 Buyer Specification Decisions | DESO Group<\/title>\n<meta name=\"description\" content=\"Use this eight-decision workflow to specify pre-insulated PPR for HVAC: pressure basis, foam, thickness, jacket, joints, QA documents and RFQ fields.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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