{"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\/ku\/blog\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/","title":{"rendered":"Ferqa di navbera valv\u00ean top\u00ea y\u00ean yek-yek\u00eend\u00ee \u00fb du-yek\u00eend\u00ee de \u00e7i ye?"},"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\">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-valve\/difference-between-single-union-and-double-union-ball-valves\/#Single_Union_Ball_Valve\" >Yekane Yek\u00eet\u00eeya Ball Valve&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\/ku\/blog\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/#Double_Union_Ball_Valve\" >Duqat Yek\u00eet\u00eeya Ball Valve&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\/ku\/blog\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/#Main_Differences\" >C\u00fbdahiy\u00ean Sereke&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\/ku\/blog\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/#Why_choose_the_DESO_Double_Union_Ball_Valve\" >\u00c7ima Valva Ball a Yek\u00eet\u00eeya Dual a DESO hilbij\u00earin?&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\/ku\/blog\/ppr-valve\/difference-between-single-union-and-double-union-ball-valves\/#Conclusion\" >Xelas\u00ee&nbsp;<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">YEK <a href=\"https:\/\/www.desopipe.com\/ku\/product\/plastic-ball-valve-with-brass-core-i-copy-906\/\" target=\"_blank\" rel=\"noreferrer noopener\">valva top\u00ea ya yek\u00eetiya ducar<\/a> cureyek\u00ee valv\u00ea pirarmanc \u00fb p\u00eabawer e ku bi berfireh\u00ee di s\u00eestem\u00ean boriyan de t\u00ea bikar an\u00een, nemaze dema ku veqetandina ewle \u00fb l\u00ean\u00ear\u00eena rast gir\u00eeng be. Zan\u00eena c\u00fbdahiya di navbera valv\u00ean top\u00ea y\u00ean yek-yek \u00fb du-yek yek d\u00ea ji we re bibe al\u00eekar ku h\u00fbn hilbera rast ji bo operasyona xwe hilbij\u00earin.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ev blog c\u00fbdahiy\u00ean van valvan vedihew\u00eene \u00fb her weha taybetmendiy\u00ean kal\u00eeteya bilind \u00fb s\u00eawirana valv\u00ean top\u00ea y\u00ean yekgirt\u00ee y\u00ean ducar ji ron\u00ee dike. <a href=\"https:\/\/www.desopipe.com\/ku\/\" target=\"_blank\" rel=\"noreferrer noopener\">DESO<\/a>, hilbijartinek p\u00eabawer di p\u00ee\u015fesaziy\u00ea de.\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>Yekane Yek\u00eet\u00eeya Ball Valve&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vana top\u00ea ya yekgirt\u00ee ya yekane gir\u00eadanek yekgirt\u00ee heye, bi gelemper\u00ee li dawiya j\u00ear\u00een, ku dih\u00eale ku rakirin \u00fb l\u00ean\u00ear\u00eena vana bi h\u00easan\u00ee b\u00eay\u00ee ku boriy\u00ea bi tevah\u00ee were qut kirin. Li dawiya din, la\u015f\u00ea vana bi boriy\u00ea ve gir\u00eaday\u00ee dim\u00eene, \u00fb \u00eeht\u00eemala hilwe\u015fandina tevah\u00ee ya vana k\u00eam dike.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ev celeb bi gelemper\u00ee ji bo pergal\u00ean k\u00eam-daxwaz ku t\u00ea de frekansa l\u00ean\u00ear\u00een\u00ea k\u00eamtir e, minasib e. L\u00eabel\u00ea, valv\u00ean top\u00ea y\u00ean yek-yekgirt\u00ee pir caran s\u00eenorkirin\u00ean wan hene, wek\u00ee toleransa nelihevhatina go\u015fey\u00ee ya s\u00eenorkir\u00ee \u00fb dem\u00ean l\u00ean\u00ear\u00een\u00ea y\u00ean dir\u00eajtir ji ber t\u00eak\u00e7\u00fbna qism\u00ee ya l\u00fbleyan.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>Berhema Hero ya Taybet<\/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\/ku\/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=\"Valva Yek-daw\u00ee ya DESO ya N\u00ear bi Top\u00ean T\u00fbnc\u00ee\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Valva yek-daw\u00ee ya m\u00ear bi topa sifir<\/div>\n    <div class=\"hero-description\">Materyal: Madeya xav a PPR ji Korey\u00ea Hyosung an Borealis; pirinc: HPB58-3A, HPB59, CW617N. R\u00eazeya mezinah\u00eeyan: DN20\u2013DN32 (20mm\u201363mm). R\u00eajeya zext\u00ea: PN25 (heta 2.5 MPa). R\u00eazeya germahiy\u00ea: -20\u00b0C heta +95\u00b0C.<\/div>\n    <span class=\"hero-link\">Berhem\u00ea Bib\u00eene<\/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>Duqat Yek\u00eet\u00eeya Ball Valve&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\/ku\/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=\"Valva top\u00ea ya yek\u00eetiya ducar\" 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\">Vana gog\u00ea ya ducar\u00ee gir\u00eadan\u00ean yek\u00eetiy\u00ea li her du ser\u00ean la\u015f\u00ea vanay\u00ea vedihew\u00eene. Ev s\u00eawiran dih\u00eale ku vana bi tevah\u00ee ji pergala boriyan were rakirin b\u00eay\u00ee ku boriy\u00ean n\u00eaz\u00eek t\u00eak bi\u00e7in. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ev sazkirina send\u00eekaya tevah\u00ee h\u00easaniya l\u00ean\u00ear\u00een\u00ea peyda dike ji ber ku ew dih\u00eale ku tam\u00eer an guhertin\u00ean bilez werin kirin di heman dem\u00ea de dema b\u00ea\u00e7alakb\u00fbn\u00ea k\u00eam dike. Wek\u00ee din, s\u00eawirana w\u00ea herik\u00eena b\u00ea asteng \u00fb mohrkirina ewledar peyda dike, ku dih\u00eale ku k\u00eamb\u00fbna zext\u00ea \u00fb xeterey\u00ean rijandin\u00ea k\u00eam bibe.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ev valf bi gelemper\u00ee di s\u00eestem\u00ean bazirgan\u00ee \u00fb p\u00ee\u015fesaziy\u00ea y\u00ean dijwar de t\u00eane bikar an\u00een ku hewcey\u00ea xizmeta bir\u00eak\u00fbp\u00eak in. Ew bi mezinahiy\u00ean c\u00fbda hene, di nav de valva top\u00ea ya ducar\u00ee ya 2 \u00een\u00e7 a ku bi gelemper\u00ee t\u00ea bikar an\u00een, \u00fb di hilber\u00ean bi kal\u00eete y\u00ean wek\u00ee valv\u00ean top\u00ea y\u00ean ducar\u00ee y\u00ean PPR de t\u00eane bic\u00eeh kirin ku bi berfireh\u00ee di l\u00fbleyan de t\u00eane bikar an\u00een.<\/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>C\u00fbdahiy\u00ean Sereke&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>Taybetmend\u00ee<\/strong><\/td><td><strong>Yekane Yek\u00eet\u00eeya Ball Valve<\/strong><\/td><td><strong>Duqat Yek\u00eet\u00eeya Ball Valve&nbsp;<\/strong><\/td><\/tr><tr><td>Gir\u00eadan\u00ean Yek\u00eetiy\u00ea<\/td><td>Ten\u00ea yek dawiyek&nbsp;<\/td><td>Her du seriy\u00ean w\u00ea yek\u00eet\u00eeyek bi hev re heye&nbsp;<\/td><\/tr><tr><td>L\u00eanerr\u00een\u00ee<\/td><td>Rakirina qism\u00ee ya valv\u00ea \u00fb t\u00eak\u00e7\u00fbna boriy\u00ea<\/td><td>Rakirina tevah\u00ee ya valv\u00ea \u00fb b\u00ea t\u00eak\u00e7\u00fbna boriy\u00ea&nbsp;<\/td><\/tr><tr><td>Dema Parastin\u00ea<\/td><td>H\u00ead\u00eetir e \u00fb valakirina boriy\u00ea hewce dike<\/td><td>Guhertina valv\u00ea z\u00fbtir \u00fb h\u00easantir<\/td><\/tr><tr><td>Toleransa Nehevsengiya Go\u015fey\u00ee&nbsp;<\/td><td>\u00b12\u00b0<\/td><td>\u00b15\u00b0 (nermtir)<\/td><\/tr><tr><td>Bikaran\u00een\u00ee&nbsp;<\/td><td>S\u00eestem\u00ean h\u00easantir \u00fb k\u00eam-parastin<\/td><td>S\u00eestem\u00ean p\u00ee\u015fesaz\u00ee, y\u00ean l\u00ean\u00ear\u00eena bilind<\/td><\/tr><tr><td>Nirx<\/td><td>Bi gelemper\u00ee l\u00ea\u00e7\u00fbna destp\u00eak\u00ea ya budcey\u00ea-dostane<\/td><td>Mesrefa destp\u00eak\u00ea ya bilindtir l\u00ea kar\u00fbbariya \u00e7\u00eatir&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>\u00c7ima Valva Ball a Yek\u00eet\u00eeya Dual a DESO hilbij\u00earin?&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DESO ji ber \u00e7end sedeman dema ku dor t\u00ea ser valv\u00ean top\u00ee y\u00ean ducar\u00ee, bijarteyek p\u00eabawer e:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R\u00eajeya Zexta Bilind: Van\u00ean top\u00ea y\u00ean duqat \u00ean DESO r\u00eajeya zexta PN20 (heta 2.5 MPa) bic\u00eeh t\u00eenin, ku ji bo sepan\u00ean p\u00ee\u015fesaziy\u00ea \u00fb j\u00eengeh\u00ean zexta bilindtir pir guncaw e.\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vebijark\u00ean C\u00fbrbec\u00fbr \u00ean Avahiy\u00ee: DESO du s\u00eawiran\u00ean valva gol\u00eek\u00ee ya ducar\u00ee ya cuda peyda dike. Ev dibe al\u00eekar ku li gor\u00ee c\u00fbrbec\u00fbr hewcedariy\u00ean bazar\u00ea \u00fb nirxandin\u00ean l\u00ea\u00e7\u00fbn\u00ea were adaptekirin, \u00fb hilbijartina valvek ku bi tevah\u00ee budce \u00fb performans\u00ea hevseng bike h\u00easantir dike.\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kontrola Kal\u00eetey\u00ea: Her valva DESO ji bo misogerkirina domdar\u00ee \u00fb p\u00eabaweriy\u00ea, di nav de ceribandina h\u00eedrostat\u00eek j\u00ee, ji ceribandin\u00ean berfireh re derbas dibe. Kontrola kal\u00eetey\u00ea ya bi v\u00ee reng\u00ee ya berfireh performans\u00ean b\u00ea rijandin \u00fb may\u00eende misoger dike.\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>Xelas\u00ee&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ew <a href=\"https:\/\/www.desopipe.com\/ku\/product\/plastic-ball-valve-with-brass-core-i-copy-906\/\" target=\"_blank\" rel=\"noreferrer noopener\">valva top\u00ea ya yek\u00eetiya ducar<\/a> Ji bo sepan\u00ean ku hewcey\u00ea h\u00easaniya l\u00ean\u00ear\u00een\u00ea, bir\u00eavebirina bi zexta bilind \u00fb nermb\u00fbna pergal\u00ea ne, bijarteyek berbi\u00e7av e. DESO di mezinah\u00ee \u00fb materyal\u00ean c\u00fbda de peyda dibe da ku li seranser\u00ea c\u00eehan\u00ea li gelek sepan\u00ean cih\u00eareng bic\u00eeh bibe, di nav de vebijark\u00ean p\u00eabawer ji hilber\u00eener\u00ean valva top\u00ea ya ducar\u00ee ya \u00e7\u00een\u00ee, performansek p\u00eabawer di rew\u015f\u00ean dijwar de peyda dike.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bi berhem\u00ean m\u00eena valva top\u00ea ya yek\u00eetiya ducar\u00ee ya 2 \u00een\u00e7 \u00fb PPR, <a href=\"https:\/\/www.desopipe.com\/ku\/\" target=\"_blank\" rel=\"noreferrer noopener\">DESO<\/a> ji bo \u00e7areseriy\u00ean boriy\u00ean p\u00ee\u015fesaz\u00ee \u00fb ni\u015ftec\u00eeh veberh\u00eananek pir ba\u015f e. Ji bo \u00e7areseriy\u00ean valv\u00ean p\u00eabawer, DESO r\u00eaberiya r\u00ea dike.\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\/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>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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