{"id":3150,"date":"2025-10-02T03:17:49","date_gmt":"2025-10-02T03:17:49","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=3150"},"modified":"2025-10-11T03:46:19","modified_gmt":"2025-10-11T03:46:19","slug":"difference-between-single-union-and-double-union-ball-valves","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/it\/blog\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/","title":{"rendered":"Qual \u00e8 la differenza tra valvole a sfera a unione singola e a unione doppia?"},"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\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/#Single_Union_Ball_Valve\" >Valvola a sfera monogiunto&nbsp;<\/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\/it\/blog\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/#Double_Union_Ball_Valve\" >Valvola a sfera a doppia unione&nbsp;<\/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\/it\/blog\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/#Main_Differences\" >Principali differenze&nbsp;<\/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\/it\/blog\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/#Why_choose_the_DESO_Double_Union_Ball_Valve\" >Perch\u00e9 scegliere la valvola a sfera a doppia unione DESO?&nbsp;<\/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\/it\/blog\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/#Conclusion\" >Conclusione&nbsp;<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">UN <a href=\"https:\/\/www.desopipe.com\/it\/product\/plastic-ball-valve-with-brass-core-i-copy-906\/\" target=\"_blank\" rel=\"noreferrer noopener\">valvola a sfera a doppia unione<\/a> \u00e8 una valvola multiuso e affidabile, ampiamente utilizzata nei sistemi di tubazioni, in particolare quando sono essenziali uno smontaggio sicuro e una corretta manutenzione. Conoscere la differenza tra valvole a sfera a snodo singolo e doppio vi aiuter\u00e0 a scegliere il prodotto pi\u00f9 adatto alle vostre esigenze.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Questo blog illustra le differenze di queste valvole e mette in evidenza la qualit\u00e0 premium e le caratteristiche di progettazione delle valvole a sfera a doppia unione di <a href=\"https:\/\/www.desopipe.com\/it\/\" target=\"_blank\" rel=\"noreferrer noopener\">DESO<\/a>, una scelta affidabile nel settore.\u00a0<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Single_Union_Ball_Valve\"><\/span>Valvola a sfera monogiunto&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Una valvola a sfera a unione singola presenta un unico attacco, solitamente all&#039;estremit\u00e0 a valle, che consente una facile rimozione e manutenzione della valvola senza dover tagliare completamente la tubazione. All&#039;altra estremit\u00e0, il corpo valvola rimane saldamente fissato alla tubazione, riducendo la possibilit\u00e0 di smontare completamente la valvola.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Questa tipologia \u00e8 solitamente adatta a sistemi a bassa richiesta, dove la frequenza di manutenzione \u00e8 inferiore. Tuttavia, le valvole a sfera monogiunto presentano spesso delle limitazioni, come una tolleranza limitata al disallineamento angolare e tempi di manutenzione pi\u00f9 lunghi a causa della parziale rottura delle tubazioni.<\/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\/male-single-end-valve-with-brass-ball\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/03\/Male-Single-end-Valve-with-Brass-Ball.jpg\" alt=\"Valvola DESO maschio a estremit\u00e0 singola con sfera in ottone\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Valvola a sfera singola maschio in ottone<\/div>\n    <div class=\"hero-description\">Materiale: PPR grezzo proveniente dalla Corea Hyosung o Borealis; ottone: HPB58-3A, HPB59, CW617N. Gamma dimensionale: DN20\u2013DN32 (20 mm\u201363 mm). Pressione nominale: PN25 (fino a 2,5 MPa). Intervallo di temperatura: da -20 \u00b0C a +95 \u00b0C.<\/div>\n    <span class=\"hero-link\">Visualizza prodotto<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Double_Union_Ball_Valve\"><\/span>Valvola a sfera a doppia unione&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><a href=\"https:\/\/www.desopipe.com\/it\/product\/plastic-ball-valve-with-brass-core-i-copy-906\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/04\/Double-union-ball-valve.jpg\" alt=\"Valvola a sfera a doppia unione\" class=\"wp-image-1142\" style=\"width:181px;height:auto\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/04\/Double-union-ball-valve.jpg 800w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/04\/Double-union-ball-valve-300x300.jpg 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/04\/Double-union-ball-valve-500x500.jpg 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/04\/Double-union-ball-valve-768x768.jpg 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/04\/Double-union-ball-valve-12x12.jpg 12w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/04\/Double-union-ball-valve-150x150.jpg 150w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/04\/Double-union-ball-valve-75x75.jpg 75w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/04\/Double-union-ball-valve-480x480.jpg 480w\" sizes=\"auto, (max-width:767px) 480px, (max-width:800px) 100vw, 800px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Una valvola a sfera a doppio raccordo incorpora raccordi a unione su entrambe le estremit\u00e0 del corpo valvola. Questa configurazione consente la completa rimozione della valvola dal sistema di tubazioni senza interrompere le tubazioni adiacenti. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Questa configurazione a raccordo totale semplifica notevolmente la manutenzione, consentendo riparazioni o sostituzioni rapide e riducendo i tempi di fermo. Inoltre, il suo design garantisce un flusso senza ostruzioni e una tenuta sicura, riducendo cos\u00ec le perdite e le cadute di pressione.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Queste valvole sono comunemente utilizzate in sistemi commerciali e industriali esigenti che necessitano di manutenzione regolare. Sono disponibili in diverse dimensioni, tra cui la comune valvola a sfera a doppio giunto da 2 pollici, e sono integrate in prodotti di alta qualit\u00e0 come le valvole a sfera a doppio giunto in PPR, ampiamente utilizzate nel settore idraulico.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Main_Differences\"><\/span>Principali differenze&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Caratteristiche<\/strong><\/td><td><strong>Valvola a sfera monogiunto<\/strong><\/td><td><strong>Valvola a sfera a doppia unione&nbsp;<\/strong><\/td><\/tr><tr><td>Collegamenti sindacali<\/td><td>Solo un&#039;estremit\u00e0&nbsp;<\/td><td>Entrambe le estremit\u00e0 hanno un&#039;unione&nbsp;<\/td><\/tr><tr><td>Manutenzione<\/td><td>Rimozione parziale della valvola e disturbo della tubazione<\/td><td>Rimozione totale della valvola e nessuna perturbazione della tubazione&nbsp;<\/td><\/tr><tr><td>Tempo di manutenzione<\/td><td>Pi\u00f9 lento e richiede lo svuotamento della conduttura<\/td><td>Sostituzione delle valvole pi\u00f9 rapida e semplice<\/td><\/tr><tr><td>Tolleranza di disallineamento angolare&nbsp;<\/td><td>\u00b12\u00b0<\/td><td>\u00b15\u00b0 (pi\u00f9 flessibile)<\/td><\/tr><tr><td>Applicazione&nbsp;<\/td><td>Sistemi pi\u00f9 semplici e a bassa manutenzione<\/td><td>Sistemi industriali ad alta manutenzione<\/td><\/tr><tr><td>Costo<\/td><td>Costo iniziale generalmente conveniente<\/td><td>Costo iniziale pi\u00f9 elevato ma migliore manutenibilit\u00e0&nbsp;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_choose_the_DESO_Double_Union_Ball_Valve\"><\/span>Perch\u00e9 scegliere la valvola a sfera a doppia unione DESO?&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DESO \u00e8 una scelta affidabile quando si tratta di valvole a sfera a doppia unione per diversi motivi:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Alta pressione nominale: le valvole a sfera a doppia unione DESO soddisfano la pressione nominale PN20 (fino a 2,5 MPa), risultando adatte per applicazioni industriali e ambienti ad alta pressione.\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Diverse opzioni strutturali: DESO offre due diversi modelli di valvole a sfera con estremit\u00e0 a doppio giunto. Questo consente di adattarsi a un&#039;ampia gamma di esigenze di mercato e di considerazioni di costo, rendendo pi\u00f9 conveniente la scelta di una valvola che bilanci completamente budget e prestazioni.\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Controllo qualit\u00e0: ogni valvola DESO viene sottoposta a test approfonditi, tra cui prove idrostatiche, per garantirne durata e affidabilit\u00e0. Un controllo qualit\u00e0 cos\u00ec approfondito garantisce prestazioni a tenuta stagna e durature.\u00a0<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusione&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IL <a href=\"https:\/\/www.desopipe.com\/it\/product\/plastic-ball-valve-with-brass-core-i-copy-906\/\" target=\"_blank\" rel=\"noreferrer noopener\">valvola a sfera a doppia unione<\/a> \u00c8 una scelta eccellente per applicazioni che richiedono facilit\u00e0 di manutenzione, gestione di alte pressioni e flessibilit\u00e0 di sistema. Disponibile in diverse dimensioni e materiali per adattarsi a molteplici applicazioni a livello internazionale, comprese le affidabili opzioni dei produttori cinesi di valvole a sfera a doppio giunto, DESO offre prestazioni affidabili in ambienti difficili.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Con prodotti come la valvola a sfera a doppia unione da 2 pollici e PPR, <a href=\"https:\/\/www.desopipe.com\/it\/\" target=\"_blank\" rel=\"noreferrer noopener\">DESO<\/a> rappresenta un investimento eccellente per soluzioni di tubazioni sia industriali che residenziali. Per soluzioni di valvole affidabili, DESO \u00e8 leader nel settore.\u00a0<\/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>A double union ball valve is a multipurpose and reliable type of valve that is widely used in piping systems, particularly when safe disassembly and proper<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":3164,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-3150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ppr-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is the difference between single union and double union ball valves? 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