{"id":2815,"date":"2025-08-12T05:59:42","date_gmt":"2025-08-12T05:59:42","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=2815"},"modified":"2025-08-26T07:11:01","modified_gmt":"2025-08-26T07:11:01","slug":"lead-free-vs-zero-lead-brass-fittings","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/vi\/blog\/ppr-fitting\/lead-free-vs-zero-lead-brass-fittings\/","title":{"rendered":"Ph\u00e2n bi\u1ec7t ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec v\u00e0 kh\u00f4ng ch\u00ec: Nh\u1eefng \u0111i\u1ec1u ng\u01b0\u1eddi d\u00f9ng PPR c\u1ea7n bi\u1ebft"},"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\">M\u1ee5c l\u1ee5c<\/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=\"Chuy\u1ec3n \u0111\u1ed5i m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/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\/vi\/blog\/ppr-fitting\/lead-free-vs-zero-lead-brass-fittings\/#What_Are_Lead-Free_Brass_Fittings\" >Ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec l\u00e0 g\u00ec?<\/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\/vi\/blog\/ppr-fitting\/lead-free-vs-zero-lead-brass-fittings\/#What_Are_Zero-Lead_Brass_Fittings\" >Ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec l\u00e0 g\u00ec?<\/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\/vi\/blog\/ppr-fitting\/lead-free-vs-zero-lead-brass-fittings\/#Why_It_Matters_in_PPR_Systems\" >T\u1ea1i sao n\u00f3 quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng PPR<\/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\/vi\/blog\/ppr-fitting\/lead-free-vs-zero-lead-brass-fittings\/#Where_Lead-Free_or_Zero-Lead_Makes_the_Most_Sense\" >N\u01a1i n\u00e0o kh\u00f4ng ch\u00ec ho\u1eb7c kh\u00f4ng ch\u00ec c\u00f3 \u00fd ngh\u0129a nh\u1ea5t<\/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\/vi\/blog\/ppr-fitting\/lead-free-vs-zero-lead-brass-fittings\/#What_About_Cost\" >Chi ph\u00ed th\u1ebf n\u00e0o?<\/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\/vi\/blog\/ppr-fitting\/lead-free-vs-zero-lead-brass-fittings\/#How_to_Visually_Identify_Each_Type\" >C\u00e1ch Nh\u1eadn D\u1ea1ng Tr\u1ef1c Quan T\u1eebng Lo\u1ea1i<\/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\/vi\/blog\/ppr-fitting\/lead-free-vs-zero-lead-brass-fittings\/#Final_Thoughts\" >Suy ngh\u0129 cu\u1ed1i c\u00f9ng<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Khi n\u00f3i \u0111\u1ebfn h\u1ec7 th\u1ed1ng \u1ed1ng n\u01b0\u1edbc an to\u00e0n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1ed1ng v\u00e0 ph\u1ee5 ki\u1ec7n PPR, lo\u1ea1i \u0111\u1ed3ng thau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho ph\u1ee5 ki\u1ec7n quan tr\u1ecdng h\u01a1n b\u1ea1n ngh\u0129. N\u1ebfu b\u1ea1n \u0111ang x\u1eed l\u00fd h\u1ec7 th\u1ed1ng n\u01b0\u1edbc u\u1ed1ng, h\u1ec7 th\u1ed1ng d\u1eabn ch\u1ea5t l\u1ecfng c\u00f4ng nghi\u1ec7p ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng HVAC, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e3 b\u1eaft g\u1eb7p c\u00e1c thu\u1eadt ng\u1eef &quot;ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec&quot; v\u00e0 &quot;ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec&quot;. Nh\u01b0ng s\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec\u2014v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch \u00fd ngh\u0129a c\u1ee7a t\u1eebng thu\u1eadt ng\u1eef, c\u00e1ch ph\u00e2n bi\u1ec7t ch\u00fang v\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c ch\u1ecdn \u0111\u00fang lo\u1ea1i \u1ed1ng ph\u00f9 h\u1ee3p l\u1ea1i r\u1ea5t quan tr\u1ecdng. B\u1ea1n c\u0169ng s\u1ebd kh\u00e1m ph\u00e1 c\u00e1ch DESO Pipe, m\u1ed9t nh\u00e0 cung c\u1ea5p \u1ed1ng \u0111\u00e1ng tin c\u1eady, <a href=\"https:\/\/www.desopipe.com\/vi\/product-category\/ppr-pipe\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u1ed0ng PPR<\/a> nh\u00e0 s\u1ea3n xu\u1ea5t, cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn ch\u00e8n b\u1eb1ng \u0111\u1ed3ng thau t\u00f9y ch\u1ec9nh \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t qu\u1ed1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_Lead-Free_Brass_Fittings\"><\/span><strong>Ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"655\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781-1200x655.webp\" alt=\"Ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec l\u00e0 g\u00ec\" class=\"wp-image-2831\" style=\"width:442px;height:auto\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781-1200x655.webp 1200w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781-500x273.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781-300x164.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781-768x419.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781-1536x838.webp 1536w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781-137x75.webp 137w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781-480x262.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781-800x437.webp 800w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/5db110f2-3dde-461e-9164-365cffa37781.webp 1600w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-fitting\/european-ppr-fitting-lead-free-copper-trend\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ph\u1ee5 ki\u1ec7n b\u1eb1ng \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec<\/a> l\u00e0 c\u00e1c \u0111\u1ea7u n\u1ed1i \u1ed1ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi h\u00e0m l\u01b0\u1ee3ng ch\u00ec th\u1ea5p, th\u01b0\u1eddng d\u01b0\u1edbi 0,25% theo tr\u1ecdng l\u01b0\u1ee3ng. C\u00e1c ph\u1ee5 ki\u1ec7n n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a \u0110\u1ea1o lu\u1eadt N\u01b0\u1edbc u\u1ed1ng An to\u00e0n Hoa K\u1ef3 v\u00e0 \u0111\u01b0\u1ee3c coi l\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng d\u00f9ng \u0111\u1ec3 u\u1ed1ng v\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng d\u00f9ng \u0111\u1ec3 u\u1ed1ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1ee3c l\u00e0m t\u1eeb \u0111\u1ed3ng thau DZR (ch\u1ed1ng kh\u1eed k\u1ebdm)<\/li>\n\n\n\n<li>\u0110\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng r\u00e3nh k\u00e9p tr\u00ean m\u1eb7t ho\u1eb7c b\u00ean trong c\u1ee7a ph\u1ee5 ki\u1ec7n<\/li>\n\n\n\n<li>Ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng ph\u1ea3i n\u01b0\u1edbc u\u1ed1ng v\u00e0 ch\u1ecdn n\u01b0\u1edbc u\u1ed1ng c\u00f3 r\u1ee7i ro th\u1ea5p<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng ph\u1ee5 ki\u1ec7n n\u00e0y v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 b\u1ec1n v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_Zero-Lead_Brass_Fittings\"><\/span><strong>Ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1ee3c l\u1ea1i, ph\u1ee5 ki\u1ec7n b\u1eb1ng \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ho\u00e0n to\u00e0n kh\u00f4ng ch\u1ee9a ch\u00ec. Nh\u1eefng ph\u1ee5 ki\u1ec7n n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t h\u01a1n, bao g\u1ed3m b\u1ea3n c\u1eadp nh\u1eadt n\u0103m 2014 c\u1ee7a \u0110\u1ea1o lu\u1eadt N\u01b0\u1edbc u\u1ed1ng An to\u00e0n, gi\u1edbi h\u1ea1n h\u00e0m l\u01b0\u1ee3ng ch\u00ec d\u01b0\u1edbi 0,25% \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng n\u01b0\u1edbc u\u1ed1ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n nhi\u1ec1u m\u00e0u b\u1ea1c h\u01a1n m\u00e0u v\u00e0ng<\/li>\n\n\n\n<li>\u0110\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u b\u1eb1ng m\u1ed9t r\u00e3nh duy nh\u1ea5t<\/li>\n\n\n\n<li>T\u1ed1t nh\u1ea5t cho h\u1ec7 th\u1ed1ng n\u01b0\u1edbc u\u1ed1ng v\u00e0 c\u00e1c khu v\u1ef1c c\u00f3 quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t (v\u00ed d\u1ee5: California, Vermont)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ee5 ki\u1ec7n kh\u00f4ng ch\u00ec th\u01b0\u1eddng \u0111\u1eaft h\u01a1n do \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn, nh\u01b0ng ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng v\u1ec1 n\u01b0\u1edbc u\u1ed1ng v\u00e0 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng \u1ed1ng n\u01b0\u1edbc c\u1ee7a b\u1ea1n trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_It_Matters_in_PPR_Systems\"><\/span><strong>T\u1ea1i sao n\u00f3 quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng PPR<\/strong><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\/vi\/product\/male-threaded-coupling\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"410\" height=\"435\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/1756187434931.png\" alt=\"Kh\u1edbp n\u1ed1i ren nam\" class=\"wp-image-2836\" style=\"width:280px;height:auto\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/1756187434931.png 410w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/1756187434931-283x300.png 283w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/1756187434931-11x12.png 11w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/1756187434931-71x75.png 71w\" sizes=\"auto, (max-width:767px) 410px, 410px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Cho d\u00f9 b\u1ea1n \u0111ang c\u00e0i \u0111\u1eb7t <a href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-fitting\/ppr-fittings-types\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u1ed0ng v\u00e0 ph\u1ee5 ki\u1ec7n PPR<\/a> cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng d\u00e2n d\u1ee5ng, th\u01b0\u01a1ng m\u1ea1i ho\u1eb7c c\u00f4ng nghi\u1ec7p, ph\u1ee5 ki\u1ec7n b\u1eb1ng \u0111\u1ed3ng thau l\u00e0 \u0111i\u1ec3m k\u1ebft n\u1ed1i quan tr\u1ecdng. Ch\u00fang giao ti\u1ebfp v\u1edbi <a href=\"https:\/\/www.desopipe.com\/vi\/product-category\/ppr-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Van PPR<\/a>, ph\u1ee5 ki\u1ec7n \u0111i\u1ec7n ph\u00e2n v\u00e0 \u1ed1ng PPR-AL-PPR \u0111\u1ec3 duy tr\u00ec k\u1ebft n\u1ed1i kh\u00f4ng r\u00f2 r\u1ec9, ch\u1ecbu \u00e1p l\u1ef1c. Sau \u0111\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau ph\u00f9 h\u1ee3p l\u1ea1i quan tr\u1ecdng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u00fap \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n DIN8077\/8078 v\u00e0 ISO15874<\/li>\n\n\n\n<li>Gi\u1ea3m nguy c\u01a1 \u00f4 nhi\u1ec5m trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc n\u00f3ng v\u00e0 n\u01b0\u1edbc l\u1ea1nh<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i trong \u0111\u01b0\u1eddng \u1ed1ng \u00e1p su\u1ea5t cao v\u00e0 v\u1eadn chuy\u1ec3n ch\u1ea5t l\u1ecfng c\u00f4ng nghi\u1ec7p<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh ch\u00e8n \u0111\u1ed3ng thau c\u1ee7a DESO<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ed0ng DESO n\u1ed5i b\u1eadt nh\u01b0 m\u1ed9t <a href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-fitting\/understanding-ppr-electro-fusion-fittings\/\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u00e0 s\u1ea3n xu\u1ea5t \u1ed1ng PPR <\/a>b\u1eb1ng c\u00e1ch cung c\u1ea5p d\u1ecbch v\u1ee5 t\u00f9y ch\u1ec9nh ph\u1ee5 ki\u1ec7n b\u1eb1ng \u0111\u1ed3ng thau linh ho\u1ea1t cho c\u00e1c \u0111\u1ed1i t\u00e1c to\u00e0n c\u1ea7u. C\u00e1ch th\u1ee9c th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ed1n thi\u1ebft k\u1ebf khu\u00f4n ch\u00e8n b\u1eb1ng \u0111\u1ed3ng thau kh\u00e1c nhau \u0111\u1ec3 ph\u1ee5c v\u1ee5 th\u1ecb tr\u01b0\u1eddng t\u1ea7m trung, trung c\u1ea5p \u0111\u1ebfn cao c\u1ea5p v\u00e0 cao c\u1ea5p<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 c\u1ea3 v\u1eadt li\u1ec7u \u0111\u1ed3ng thau 57-3 v\u00e0 \u0111\u1ed3ng thau CW617<\/li>\n\n\n\n<li>C\u00e1c mi\u1ebfng ch\u00e8n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c d\u1ecbch v\u1ee5 OEM\/ODM PPR ch\u00ednh<\/li>\n\n\n\n<li>T\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft k\u1ebf \u0111\u1ec1u tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n qu\u1ed1c gia v\u00e0 qu\u1ed1c t\u1ebf<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p s\u1ea3n xu\u1ea5t PPR t\u1ef1 \u0111\u1ed9ng v\u00e0 t\u00edch h\u1ee3p \u0111\u1ed3ng thau th\u00f4ng minh, DESO \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t nh\u1ea5t qu\u00e1n tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c ph\u1ee5 ki\u1ec7n\u2014l\u00fd t\u01b0\u1edfng cho h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng HVAC, m\u1ea1ng l\u01b0\u1edbi n\u01b0\u1edbc th\u00e0nh ph\u1ed1, v.v.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_Lead-Free_or_Zero-Lead_Makes_the_Most_Sense\"><\/span><strong>N\u01a1i n\u00e0o kh\u00f4ng ch\u00ec ho\u1eb7c kh\u00f4ng ch\u00ec c\u00f3 \u00fd ngh\u0129a nh\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"655\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d-1200x655.webp\" alt=\"N\u01a1i n\u00e0o kh\u00f4ng ch\u00ec ho\u1eb7c kh\u00f4ng ch\u00ec c\u00f3 \u00fd ngh\u0129a nh\u1ea5t\" class=\"wp-image-2832\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d-1200x655.webp 1200w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d-500x273.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d-300x164.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d-768x419.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d-1536x838.webp 1536w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d-137x75.webp 137w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d-480x262.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d-800x437.webp 800w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/08\/a2001613-6fb9-4078-bdf2-89da0bafb52d.webp 1600w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai lo\u1ea1i ph\u1ee5 ki\u1ec7n \u0111\u1ec1u c\u00f3 v\u1ecb tr\u00ed ri\u00eang t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng <strong>ph\u1ee5 ki\u1ec7n \u1ed1ng \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec<\/strong> trong h\u1ec7 th\u1ed1ng v\u00f2ng k\u00edn, kh\u00f4ng d\u00f9ng \u0111\u1ec3 u\u1ed1ng ho\u1eb7c h\u1ec7 th\u1ed1ng HVAC n\u01a1i nhu c\u1ea7u v\u1ec1 quy \u0111\u1ecbnh th\u1ea5p h\u01a1n.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng <strong>ph\u1ee5 ki\u1ec7n b\u1eb1ng \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec<\/strong> trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc u\u1ed1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u01a1i lu\u1eadt ph\u00e1p \u0111\u1ecba ph\u01b0\u01a1ng ho\u1eb7c qu\u1ed1c gia y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y c\u0169ng \u00e1p d\u1ee5ng cho kh\u00e1ch h\u00e0ng t\u00f9y ch\u1ec9nh \u1ed1ng composite s\u1ee3i PPR, \u1ed1ng PP-R CT ho\u1eb7c h\u1ec7 th\u1ed1ng nhi\u1ec1u l\u1edbp.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_About_Cost\"><\/span><strong>Chi ph\u00ed th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 ph\u1ee5 ki\u1ec7n b\u1eb1ng \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec c\u00f3 xu h\u01b0\u1edbng \u0111\u1eaft h\u01a1n, nh\u01b0ng l\u1ee3i \u00edch l\u00e2u d\u00e0i th\u01b0\u1eddng l\u1edbn h\u01a1n chi ph\u00ed ban \u0111\u1ea7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c t\u00f2a nh\u00e0 c\u00f4ng c\u1ed9ng ho\u1eb7c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ea5p n\u01b0\u1edbc, n\u01a1i m\u00e0 s\u1ef1 tu\u00e2n th\u1ee7 v\u00e0 an to\u00e0n l\u00e0 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1ee3c l\u1ea1i, ph\u1ee5 ki\u1ec7n b\u1eb1ng \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec cung c\u1ea5p gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed cho nh\u1eefng m\u00f4i tr\u01b0\u1eddng c\u00f3 r\u1ee7i ro th\u1ea5p, kh\u00f4ng y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n n\u01b0\u1edbc u\u1ed1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Visually_Identify_Each_Type\"><\/span><strong>C\u00e1ch Nh\u1eadn D\u1ea1ng Tr\u1ef1c Quan T\u1eebng Lo\u1ea1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R\u00e3nh \u0111\u00f4i = Kh\u00f4ng ch\u00ec<\/li>\n\n\n\n<li>R\u00e3nh \u0111\u01a1n = Zero-Lead<\/li>\n\n\n\n<li>M\u00e0u s\u1eafc: V\u00e0ng = Kh\u00f4ng ch\u00ec, B\u1ea1c = Kh\u00f4ng ch\u00ec<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lu\u00f4n x\u00e1c minh nh\u1eefng chi ti\u1ebft n\u00e0y trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 th\u1eed nghi\u1ec7m theo l\u00f4, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi t\u00ecm ngu\u1ed3n ph\u1ee5 ki\u1ec7n t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau ho\u1eb7c l\u00e0m vi\u1ec7c tr\u00ean c\u00e1c gi\u1ea3i ph\u00e1p PPR t\u00f9y ch\u1ec9nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Thoughts\"><\/span><strong>Suy ngh\u0129 cu\u1ed1i c\u00f9ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khi b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng ho\u1eb7c b\u1ea3o tr\u00ec h\u1ec7 th\u1ed1ng \u1ed1ng n\u01b0\u1edbc b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng<a href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-fitting\/extend-ppr-fittings-lifespan-tips\/\" target=\"_blank\" rel=\"noreferrer noopener\"> \u1ed0ng v\u00e0 ph\u1ee5 ki\u1ec7n PPR,<\/a> Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 tu\u00e2n th\u1ee7 m\u00e0 c\u00f2n l\u00e0 hi\u1ec7u su\u1ea5t, \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ef1 an t\u00e2m. Cho d\u00f9 b\u1ea1n c\u1ea7n ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec cho m\u1ee5c \u0111\u00edch c\u00f4ng nghi\u1ec7p hay ph\u1ee5 ki\u1ec7n \u1ed1ng \u0111\u1ed3ng thau kh\u00f4ng ch\u00ec cho m\u1ee5c \u0111\u00edch an to\u00e0n n\u01b0\u1edbc u\u1ed1ng, DESO Pipe \u0111\u1ec1u cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh, \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn, v\u1edbi kinh nghi\u1ec7m s\u1ea3n xu\u1ea5t xu\u1ea5t s\u1eafc trong nhi\u1ec1u th\u1eadp k\u1ef7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi cam k\u1ebft c\u1ee7a DESO v\u1ec1 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng, s\u1ea3n xu\u1ea5t PPR th\u00f4ng minh v\u00e0 c\u00e1c ch\u1ee9ng ch\u1ec9 qu\u1ed1c t\u1ebf nh\u01b0 CE, DVGW, AENOR v\u00e0 WRAS, b\u1ea1n kh\u00f4ng ch\u1ec9 mua linh ki\u1ec7n m\u00e0 c\u00f2n \u0111\u1ea7u t\u01b0 v\u00e0o hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng l\u00e2u d\u00e0i. Kh\u00e1m ph\u00e1<a href=\"https:\/\/www.desopipe.com\/vi\/product\/\" target=\"_blank\" rel=\"noreferrer noopener\"> danh m\u1ee5c \u0111\u1ea7y \u0111\u1ee7 c\u00e1c s\u1ea3n ph\u1ea9m PPR<\/a>, ph\u1ee5 ki\u1ec7n v\u00e0 gi\u1ea3i ph\u00e1p OEM\/ODM t\u00f9y ch\u1ec9nh.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/www.desopipe.com\/vi\/manufacturing\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/05\/Huge-Annual-Capacity.webp\" alt=\"C\u00f4ng su\u1ea5t h\u00e0ng n\u0103m l\u1edbn\" class=\"wp-image-1623\" style=\"width:547px;height:auto\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/05\/Huge-Annual-Capacity.webp 1200w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/05\/Huge-Annual-Capacity-500x333.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/05\/Huge-Annual-Capacity-300x200.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/05\/Huge-Annual-Capacity-768x512.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/05\/Huge-Annual-Capacity-18x12.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/05\/Huge-Annual-Capacity-113x75.webp 113w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/05\/Huge-Annual-Capacity-480x320.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/05\/Huge-Annual-Capacity-800x533.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/a><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>When it comes to safe plumbing systems, especially in PPR pipes and fittings, the type of brass used for fittings matters more than you might think.<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":2833,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[],"class_list":["post-2815","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ppr-fitting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lead-Free vs. Zero-Lead Brass Fittings: A Guide | DESO Group<\/title>\n<meta name=\"description\" content=\"What\u2019s the difference between lead-free and zero-lead brass fittings? Learn how to identify them by grooves &amp; color and choose the right type for your PPR system.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-fitting\/lead-free-vs-zero-lead-brass-fittings\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lead-Free vs. Zero-Lead Brass Fittings: A Guide | DESO Group\" \/>\n<meta property=\"og:description\" content=\"What\u2019s the difference between lead-free and zero-lead brass fittings? 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