{"id":7388,"date":"2026-06-22T07:17:50","date_gmt":"2026-06-22T07:17:50","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=7388"},"modified":"2026-07-08T16:46:45","modified_gmt":"2026-07-08T16:46:45","slug":"can-you-glue-ppr-pipe","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/","title":{"rendered":"Si possono incollare i tubi in PPR? La verit\u00e0 sugli adesivi per tubi in PPR e quando usarli"},"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\">Sommario<\/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=\"Attiva\/disattiva la tabella dei contenuti\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Attiva\/disattiva<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Can_PPR_Pipes_Be_Glued\" >I tubi PPR possono essere incollati?<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Why_Gluing_Looks_Easy_But_Fails\" >Why Gluing Looks Easy But Fails<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Why_Do_Traditional_PVC_Adhesives_Not_Work_On_PPR_Pipes\" >Perch\u00e9 gli adesivi tradizionali in PVC non funzionano sui tubi PPR?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Different_Materials_Different_Chemistry\" >Different Materials, Different Chemistry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#The_Hidden_Damage_Risk\" >The Hidden Damage Risk<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#How_Are_PPR_Pipes_Actually_Joined\" >Come vengono effettivamente giuntati i tubi PPR?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Socket_Fusion\" >Fusione a manicotto<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Threaded_Fittings\" >Raccordi filettati<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Flanged_Connections\" >Connessioni Flangiate<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Are_There_Any_Situations_Where_Adhesives_Are_Used\" >Ci Sono Situazioni in Cui Vengono Utilizzati gli Adesivi?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Where_Sealing_Aids_Appear\" >Where Sealing Aids Appear<\/a><\/li><\/ul><\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#What_Are_The_Risks_Of_Using_Adhesives_On_PPR_Pipe_Systems\" >Quali Sono i Rischi dell'Utilizzo di Adesivi sui Sistemi di Tubazioni in PPR?<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Common_Failure_Points\" >Common Failure Points<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#A_Residential_Case_Example\" >A Residential Case Example<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#An_HVAC_and_Industrial_Case_Example\" >An HVAC and Industrial Case Example<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#What_Are_The_Best_Practices_For_Reliable_PPR_Pipe_Installation\" >What Are The Best Practices For Reliable PPR Pipe Installation?<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Prepare_And_Fuse_Correctly\" >Prepare And Fuse Correctly<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Test_Before_Turnover\" >Test Before Turnover<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Design_For_The_Whole_System\" >Design For The Whole System<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Why_Choose_DESO_PPR_Pipe_And_Fitting_Systems_For_Secure_Fusion_Connections\" >Why Choose DESO PPR Pipe And Fitting Systems For Secure Fusion Connections?<\/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\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Frequently_Asked_Questions\" >Domande frequenti<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#What_Is_The_Correct_Way_To_Join_PPR_Pipes\" >What Is The Correct Way To Join PPR Pipes?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Why_Does_Heat_Fusion_Create_A_Stronger_Joint\" >Why Does Heat Fusion Create A Stronger Joint?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.desopipe.com\/it\/blog\/educational-informational\/can-you-glue-ppr-pipe\/#Do_PPR_Joints_Ever_Need_Sealant\" >Do PPR Joints Ever Need Sealant?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"997\" height=\"541\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-1.webp\" alt=\"\" class=\"wp-image-7389\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-1.webp 997w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-1-500x271.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-1-300x163.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-1-768x417.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-1-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-1-138x75.webp 138w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-1-480x260.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image2-1-800x434.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:997px) 100vw, 997px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">No, you cannot reliably glue PPR pipes. PPR achieves a leak-free seal only through heat fusion, where the pipe and fitting melt and bond as one solid piece.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Questo articolo spiega perch\u00e9 gli adesivi falliscono sul PPR, come il materiale viene unito correttamente e dove si inseriscono le transizioni filettate o flangiate. Imparerai anche i rischi dell'incollaggio, consigli pratici di installazione ed esempi reali da sistemi idraulici e HVAC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_PPR_Pipes_Be_Glued\"><\/span><strong>I tubi PPR possono essere incollati?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PPR sta per Copolimero Random di Polipropilene, un termoplastico costruito per acqua calda e fredda. La sua superficie resiste ai prodotti chimici, quindi la colla non pu\u00f2 scioglierla e aderirvi come fa con altre plastiche.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Gluing_Looks_Easy_But_Fails\"><\/span><strong>Why Gluing Looks Easy But Fails<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un giunto incollato pu\u00f2 sembrare solido all'inizio. Sotto pressione e calore, quel contatto superficiale si deteriora rapidamente. Il risultato sono perdite, rischio di contaminazione o cedimento completo del giunto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La logica ingegneristica corretta \u00e8 semplice. Una corretta connessione di tubi in PPR deriva dalla fusione molecolare, non dall'adesione superficiale. Il calore crea una singola parete continua attraverso il giunto.<\/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>Perch\u00e9 gli adesivi tradizionali in PVC non funzionano sui tubi PPR?<\/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=\"535\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-2.webp\" alt=\"\" class=\"wp-image-7390\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-2.webp 1009w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-2-500x265.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-2-300x159.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-2-768x407.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-2-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-2-141x75.webp 141w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-2-480x255.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image4-2-800x424.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1009px) 100vw, 1009px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Il cemento per PVC funziona ammorbidendo chimicamente la superficie del PVC in modo che le due parti si fondano. Il PPR non reagisce a questi solventi, quindi non si forma alcun legame reale.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Different_Materials_Different_Chemistry\"><\/span><strong>Different Materials, Different Chemistry<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L'adesivo per PVC \u00e8 fatto per il cloruro di polivinile. Sul PPR, si deposita sulla superficie senza sciogliere nulla. Anche un epossidico forte non pu\u00f2 eguagliare un giunto fuso.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Hidden_Damage_Risk\"><\/span><strong>The Hidden Damage Risk<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L'uso dell'adesivo sbagliato pu\u00f2 anche degradare la superficie del PPR. Ci\u00f2 indebolisce l'area che si intendeva sigillare. Questo \u00e8 uno dei motivi per cui la colla per tubi in PPR non \u00e8 un metodo accettato nell'installazione professionale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Are_PPR_Pipes_Actually_Joined\"><\/span><strong>Come vengono effettivamente giuntati i tubi PPR?<\/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=\"988\" height=\"547\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image1-1.webp\" alt=\"\" class=\"wp-image-7391\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image1-1.webp 988w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image1-1-500x277.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image1-1-300x166.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image1-1-768x425.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image1-1-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image1-1-135x75.webp 135w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image1-1-480x266.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/07\/image1-1-800x443.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:988px) 100vw, 988px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">I sistemi PPR si basano su metodi basati sul calore e meccanici. L'obiettivo \u00e8 sempre lo stesso: un giunto forte quanto la parete del tubo stessa. La nostra <a href=\"https:\/\/www.desopipe.com\/it\/blog\/ppr-pipe\/ppr-pipe-welding-hot-fusion-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">guida alla saldatura a caldo<\/a> spiega la scienza in dettaglio.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Socket_Fusion\"><\/span><strong>Fusione a manicotto<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La fusione a manicotto \u00e8 lo standard per tubi di piccole e medie dimensioni. Uno <a href=\"https:\/\/www.desopipe.com\/it\/product\/ds-63-ppr-sockets-welder-63mm\/\" target=\"_blank\" rel=\"noreferrer noopener\">strumento di fusione<\/a> riscalda l'estremit\u00e0 del tubo e il manicotto del raccordo a circa 260\u00b0C. Le parti vengono spinte insieme senza torsione, quindi tenute fino a raffreddamento.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Questo processo di fusione di tubi in PPR forma un giunto omogeneo. Le catene polimeriche si ricollegano attraverso entrambe le superfici. La maggior parte delle linee di derivazione residenziali e commerciali utilizza questo metodo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Threaded_Fittings\"><\/span><strong>Raccordi filettati<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.desopipe.com\/it\/product\/ppr-male-threaded-coupling\/\" type=\"link\" id=\"https:\/\/www.desopipe.com\/product\/ppr-male-threaded-coupling\/\" target=\"_blank\" rel=\"noreferrer noopener\">I raccordi filettati<\/a> collegano il PPR a componenti metallici come valvole, contatori o pompe. Questi raccordi utilizzano inserti in ottone incorporati per la resistenza. Gestiscono la transizione dove la fusione pura non \u00e8 possibile.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>Prodotto in evidenza<\/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\/it\/product\/ppr-male-threaded-coupling\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/deso.b-cdn.net\/wp-content\/uploads\/2025\/02\/Male-Threaded-Coupling.jpg\" alt=\"Raccordo filettato maschio PPR\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Raccordo filettato maschio PPR<\/div>\n    <div class=\"hero-description\">\nMade from premium-grade polypropylene (PPR) with brass insert, these fittings provide a secure threaded transition from PPR pipes to metal valves, pumps, and fixtures.  <\/div>\n    <span class=\"hero-link\">Visualizza prodotto<\/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=\"Flanged_Connections\"><\/span><strong>Connessioni Flangiate<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.desopipe.com\/it\/product\/ppr-flange-core\/\" type=\"link\" id=\"https:\/\/www.desopipe.com\/product\/ppr-flange-core\/\" target=\"_blank\" rel=\"noreferrer noopener\">Flanged connections<\/a> suit larger diameters and industrial lines. Bolts and gaskets create a removable, pressure-rated seal. They make inspection and maintenance easier on big systems.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Joining Method<\/strong><\/td><td><strong>Miglior utilizzo<\/strong><\/td><td><strong>Tipo di connessione<\/strong><\/td><\/tr><tr><td>fusione della presa<\/td><td>Small to medium lines<\/td><td>Permanent, fused<\/td><\/tr><tr><td>Threaded fitting<\/td><td>Metal transitions<\/td><td>Mechanical, removable<\/td><\/tr><tr><td>Flanged connection<\/td><td>Large\/industrial lines<\/td><td>Mechanical, removable<\/td><\/tr><\/tbody><\/table><\/figure>\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>Ci Sono Situazioni in Cui Vengono Utilizzati gli Adesivi?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Adhesives are not used to seal PPR-to-PPR joints. The sealing function always comes from fusion, never glue.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_Sealing_Aids_Appear\"><\/span><strong>Where Sealing Aids Appear<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For threaded transitions, installers may use PTFE tape or thread sealant. These help the threads seal, not the pipe body. They support mechanical fittings, not fusion joints.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So if you are learning how to connect PPR pipes, remember the rule. Use fusion for PPR sections and approved fittings for transitions to other materials.<\/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>Quali Sono i Rischi dell'Utilizzo di Adesivi sui Sistemi di Tubazioni in PPR?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gluing PPR introduces failures that often appear weeks or months later. These hidden defects are costly to repair.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Failure_Points\"><\/span><strong>Common Failure Points<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Leaks behind finished walls and ceilings<\/li>\n\n\n\n<li>Separazione delle giunzioni sotto espansione termica<\/li>\n\n\n\n<li>Stress da colpo d'ariete su legami deboli<\/li>\n\n\n\n<li>Possibile contaminazione dell'acqua potabile<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"A_Residential_Case_Example\"><\/span><strong>A Residential Case Example<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Considera una linea di acqua calda domestica incollata invece che saldata. Potrebbe resistere durante un test rapido. Dopo ripetuti cicli di riscaldamento, la giunzione si allenta e perde all'interno della cavit\u00e0 del muro.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"An_HVAC_and_Industrial_Case_Example\"><\/span><strong>An HVAC and Industrial Case Example<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In un circuito di acqua refrigerata HVAC, le continue oscillazioni di temperatura stressano ogni giunzione. Una connessione incollata non pu\u00f2 sopravvivere a questo ciclo. La corretta saldatura di tubi in PPR previene questi guasti su lunghe tratte industriali.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_The_Best_Practices_For_Reliable_PPR_Pipe_Installation\"><\/span><strong>What Are The Best Practices For Reliable PPR Pipe Installation?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Giunzioni robuste iniziano con una preparazione pulita e gli strumenti corretti. Il processo di fusione non dovrebbe mai essere affrettato.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Prepare_And_Fuse_Correctly\"><\/span><strong>Prepare And Fuse Correctly<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tagliare il tubo a squadra e rimuovere le bave. Pulire le superfici da polvere e umidit\u00e0. Scaldare alla giusta temperatura, unire senza rotazione e tenere fermo durante il raffreddamento.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Test_Before_Turnover\"><\/span><strong>Test Before Turnover<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Testare sempre la pressione prima della consegna. L'aria intrappolata pu\u00f2 creare letture errate, quindi rilasciarla lentamente. Il nostro <a href=\"https:\/\/www.desopipe.com\/it\/blog\/product-use-cases\/ppr-test-plug-pressure-testing-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">guida ai test di pressione<\/a> mostra il metodo completo passo dopo passo<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Design_For_The_Whole_System\"><\/span><strong>Design For The Whole System<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Su grandi progetti, pianificare il movimento termico e la zonizzazione della pressione. L'uso di tubi e raccordi abbinati mantiene ogni giunzione che fonde nello stesso intervallo. La nostra <a href=\"https:\/\/www.desopipe.com\/it\/blog\/product-use-cases\/commercial-ppr-pipe-system\/\" target=\"_blank\" rel=\"noreferrer noopener\">guida al sistema di tubazioni commerciali in PPR<\/a> copre questa logica di progettazione<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quando si saldano tubi in PPR, la qualit\u00e0 costante del materiale \u00e8 la cosa pi\u00f9 importante. Marche miste possono fondere in modo non uniforme e creare punti deboli.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Choose_DESO_PPR_Pipe_And_Fitting_Systems_For_Secure_Fusion_Connections\"><\/span><strong>Why Choose DESO PPR Pipe And Fitting Systems For Secure Fusion Connections?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La fusione funziona bene solo quando tubi, raccordi e strumenti condividono lo stesso standard. Ecco perch\u00e9 un sistema completo, da un'unica fonte, riduce il rischio di installazione.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.desopipe.com\/it\/\" target=\"_blank\" rel=\"noreferrer noopener\">DESO Pipe, un produttore di tubi in ppr<\/a>, costruisce sistemi di tubazioni dal 2004. La fabbrica di 30.000 m\u00b2 gestisce oltre 200 macchine automatiche e oltre 50 dispositivi di test, con una produzione annua superiore a 10.000 tonnellate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO detiene oltre 60 brevetti ed esporta in oltre 40 paesi. I prodotti sono dotati delle certificazioni CE, AENOR, DVGW, WRAS, ISO 9001, ISO 14001 e ISO 45001, supportate da una garanzia di 50 anni.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I sistemi DESO servono acqua potabile, HVAC, trasporto di fluidi industriali e irrigazione agricola. I raccordi a fusione a caldo e a elettrofusione lavorano insieme per giunzioni sicure e prive di perdite.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Explore the full <a href=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/01\/Deso-Profile-Catalogue.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Collezione di prodotti e catalogo DESO<\/a> per abbinare i tubi, i raccordi e gli attrezzi giusti per il tuo progetto.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><strong>Domande frequenti<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_The_Correct_Way_To_Join_PPR_Pipes\"><\/span><strong>What Is The Correct Way To Join PPR Pipes?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La fusione a caldo \u00e8 il metodo standard. La fusione a manicotto si adatta alla maggior parte delle linee, mentre i raccordi filettati o flangiati gestiscono le transizioni a tubi metallici o industriali di grandi dimensioni.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Does_Heat_Fusion_Create_A_Stronger_Joint\"><\/span><strong>Why Does Heat Fusion Create A Stronger Joint?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La fusione fonde il tubo e il raccordo in un unico materiale continuo. L'unione diventa forte quanto la parete del tubo, senza spazi superficiali che possano cedere.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Do_PPR_Joints_Ever_Need_Sealant\"><\/span><strong>Do PPR Joints Ever Need Sealant?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Solo i raccordi di transizione filettati possono utilizzare nastro in PTFE o sigillante per filettature. Le giunzioni a fusione PPR-PPR non necessitano di colla o sigillante.<\/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\/it\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">Richiedi un preventivo gratuito<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>No, you cannot reliably glue PPR pipes. PPR achieves a leak-free seal only through heat fusion, where the pipe and fitting melt and bond as one<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":7389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"class_list":["post-7388","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>Can You Glue PPR Pipes? The Truth About Adhesives | DESO Group<\/title>\n<meta name=\"description\" content=\"Can you glue PPR pipes? 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The Truth About PPR Pipe Adhesives and When to Use Them\",\"datePublished\":\"2026-06-22T07:17:50+00:00\",\"dateModified\":\"2026-07-08T16:46:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/educational-informational\\\/can-you-glue-ppr-pipe\\\/\"},\"wordCount\":1075,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/educational-informational\\\/can-you-glue-ppr-pipe\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/image2-1.webp\",\"articleSection\":[\"Educational &amp; Informational\"],\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/educational-informational\\\/can-you-glue-ppr-pipe\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/educational-informational\\\/can-you-glue-ppr-pipe\\\/\",\"url\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/educational-informational\\\/can-you-glue-ppr-pipe\\\/\",\"name\":\"Can You Glue PPR Pipes? 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