{"id":4159,"date":"2026-02-19T09:00:00","date_gmt":"2026-02-19T09:00:00","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=4159"},"modified":"2026-03-06T06:56:06","modified_gmt":"2026-03-06T06:56:06","slug":"ppr-valve-quality-inspection-checklist","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/vi\/blog\/ppr-valve\/ppr-valve-quality-inspection-checklist\/","title":{"rendered":"Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng: Danh s\u00e1ch ki\u1ec3m tra 7 b\u01b0\u1edbc d\u00e0nh cho c\u00e1c l\u00f4 van PPR b\u00e1n bu\u00f4n"},"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-valve\/ppr-valve-quality-inspection-checklist\/#Visual_Inspection_Physical_Integrity\" >Ki\u1ec3m tra tr\u1ef1c quan v\u00e0 t\u00ednh to\u00e0n v\u1eb9n v\u1eadt l\u00fd<\/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-valve\/ppr-valve-quality-inspection-checklist\/#Why_Batch_Inspection_Matters\" >T\u1ea1i sao ki\u1ec3m tra theo l\u00f4 l\u1ea1i quan tr\u1ecdng<\/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-valve\/ppr-valve-quality-inspection-checklist\/#Step-by-Step_Inspection_Checklist\" >Danh s\u00e1ch ki\u1ec3m tra t\u1eebng b\u01b0\u1edbc<\/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\/vi\/blog\/ppr-valve\/ppr-valve-quality-inspection-checklist\/#Step_1_Appearance\" >B\u01b0\u1edbc 1: Ngo\u1ea1i h\u00ecnh<\/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\/vi\/blog\/ppr-valve\/ppr-valve-quality-inspection-checklist\/#Step_2_Dimensions\" >B\u01b0\u1edbc 2: K\u00edch th\u01b0\u1edbc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-valve\/ppr-valve-quality-inspection-checklist\/#Step_3_Hydrostatic_Pressure_Test\" >B\u01b0\u1edbc 3: Th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t th\u1ee7y t\u0129nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-valve\/ppr-valve-quality-inspection-checklist\/#Step_4_Sealing\" >B\u01b0\u1edbc 4: Ni\u00eam phong<\/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\/vi\/blog\/ppr-valve\/ppr-valve-quality-inspection-checklist\/#Step_5_Material_Check\" >B\u01b0\u1edbc 5: Ki\u1ec3m tra v\u1eadt li\u1ec7u<\/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\/vi\/blog\/ppr-valve\/ppr-valve-quality-inspection-checklist\/#Step_6_Assembly_Functionality\" >B\u01b0\u1edbc 6: L\u1eafp r\u00e1p &amp; Ch\u1ee9c n\u0103ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-valve\/ppr-valve-quality-inspection-checklist\/#Step_7_Packaging_Labeling\" >B\u01b0\u1edbc 7: \u0110\u00f3ng g\u00f3i v\u00e0 d\u00e1n nh\u00e3n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-valve\/ppr-valve-quality-inspection-checklist\/#How_DESO_Controls_Valve_Quality\" >DESO ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng van nh\u01b0 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-12\" href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-valve\/ppr-valve-quality-inspection-checklist\/#Conclusion\" >Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc, van l\u00e0 m\u1eaft x\u00edch y\u1ebfu nh\u1ea5t. M\u1ed9t van b\u1ecb l\u1ed7i c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1. <strong>Van PPR<\/strong> c\u00f3 th\u1ec3 ph\u00e1 h\u1ecfng to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9, gi\u1ea3m \u00e1p su\u1ea5t v\u00e0 chi ph\u00ed s\u1eeda ch\u1eefa t\u1ed1n k\u00e9m. L\u00e0 m\u1ed9t nh\u00e0 b\u00e1n bu\u00f4n, nhi\u1ec7m v\u1ee5 c\u1ee7a b\u1ea1n l\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi l\u00f4 h\u00e0ng \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nh\u01b0 ISO 15874.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO s\u1ea3n xu\u1ea5t t\u1ea5t c\u1ea3 c\u00e1c s\u1ea3n ph\u1ea9m van PPR b\u1eb1ng copolymer ng\u1eabu nhi\u00ean polypropylen nguy\u00ean ch\u1ea5t 100%. V\u1eadt li\u1ec7u tinh khi\u1ebft n\u00e0y l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a quy tr\u00ecnh ki\u1ec3m tra c\u1ee7a ch\u00fang t\u00f4i. Ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i chi\u1ebfc van \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t m\u00e0 c\u00e1c chuy\u00ean gia y\u00eau c\u1ea7u.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Visual_Inspection_Physical_Integrity\"><\/span>Ki\u1ec3m tra tr\u1ef1c quan v\u00e0 t\u00ednh to\u00e0n v\u1eb9n v\u1eadt l\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.desopipe.com\/vi\/quality-inspection\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Ki\u1ec3m tra ph\u1ee5 ki\u1ec7n PPR<\/strong><\/a>Vi\u1ec7c ki\u1ec3m tra b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c quan s\u00e1t b\u1ec1 m\u1eb7t van. B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ph\u00e1t hi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m ch\u1ec9 b\u1eb1ng m\u1ed9t c\u00e1i nh\u00ecn tr\u1ef1c quan nhanh ch\u00f3ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n l\u01b0u \u00fd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1ec7t b\u1ea1c ho\u1eb7c v\u1ea9n \u0111\u1ee5c \u2013 <\/strong>C\u00e1c v\u1ebft n\u1ee9t n\u00e0y l\u00e0 do h\u01a1i \u1ea9m trong qu\u00e1 tr\u00ecnh \u00e9p phun g\u00e2y ra. \u0110i\u1ec1u n\u00e0y l\u00e0m suy y\u1ebfu v\u1eadt li\u1ec7u v\u00e0 khi\u1ebfn c\u00e1c van k\u00e9m ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c, d\u1eabn \u0111\u1ebfn tu\u1ed5i th\u1ecd ng\u1eafn h\u01a1n.\u00a0<\/li>\n\n\n\n<li><strong>C\u00e1c c\u1ea1nh th\u00f4 r\u00e1p, g\u1edd v\u00e0 c\u00e1c v\u1ebft th\u1eeba \u2013 <\/strong>c\u00f3 ngh\u0129a l\u00e0 v\u1eadt li\u1ec7u c\u00f2n s\u00f3t l\u1ea1i \u0111\u00e3 ng\u0103n c\u1ea3n <a href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-pipe\/ppr-pipe-welding-hot-fusion-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">h\u00e0n n\u00f3ng ch\u1ea3y<\/a>. \u0110i\u1ec1u n\u00e0y kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c v\u00ec n\u00f3 t\u1ea1o ra nguy c\u01a1 r\u00f2 r\u1ec9 t\u1ea1i m\u1ed1i n\u1ed1i. M\u1ed9t kh\u1edbp n\u1ed1i s\u1ea1ch s\u1ebd \u0111\u1ea3m b\u1ea3o PPR n\u00f3ng ch\u1ea3y ch\u1ea3y tr\u01a1n tru. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t m\u1ed1i n\u1ed1i ch\u1eafc ch\u1eafn h\u01a1n c\u1ea3 ch\u00ednh \u0111\u01b0\u1eddng \u1ed1ng.\u00a0<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y th\u00e2n kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u (v\u1ebft l\u00f5m) \u2013 <\/strong>T\u1ea1o ra nh\u1eefng \u0111i\u1ec3m y\u1ebfu c\u00f3 th\u1ec3 g\u00e2y ra h\u1ecfng h\u00f3c kh\u1eafp c\u01a1 th\u1ec3 khi nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c \u00e1p su\u1ea5t thay \u0111\u1ed5i.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y. Tuy nhi\u00ean, vi\u1ec7c ki\u1ec3m tra v\u1eadt l\u00fd c\u0169ng r\u1ea5t quan tr\u1ecdng. C\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 DIN 8077\/8078 v\u00e0 ISO 15874 quy \u0111\u1ecbnh dung sai k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c. Do \u0111\u00f3, c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n to\u00e0n c\u1ea7u n\u00e0y.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o nhanh v\u1ec1 <a href=\"https:\/\/www.desopipe.com\/vi\/blog\/manufacturer\/high-quality-ppr-pipe-material\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u PPR<\/a> Th\u1eed nghi\u1ec7m th\u1ef1c \u0111\u1ecba:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00ean b\u00e0i ki\u1ec3m tra<\/strong><\/td><td><strong>Ph\u01b0\u01a1ng ph\u00e1p lu\u1eadn<\/strong><\/td><td><strong>Ch\u1ec9 b\u00e1o PPR ch\u1ea5t l\u01b0\u1ee3ng cao<\/strong><\/td><td><strong>Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m<\/strong><\/td><\/tr><tr><td>Th\u1eed nghi\u1ec7m u\u1ed1n<\/td><td>U\u1ed1n nh\u1eb9 m\u1ed9t \u0111o\u1ea1n \u1ed1ng r\u1ed3i th\u1ea3 ra.<\/td><td>Tr\u1edf l\u1ea1i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u; v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1ebbo.<\/td><td>Xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng b\u1ea1c m\u00e0u \u1edf ch\u1ed7 u\u1ed1n cong ho\u1eb7c b\u1ecb bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n.<\/td><\/tr><tr><td>Th\u1eed nghi\u1ec7m b\u00faa<\/td><td>D\u00f9ng b\u00faa \u0111\u00f3ng m\u1ea1nh m\u1ed9t \u0111o\u1ea1n \u1ed1ng xu\u1ed1ng b\u1ec1 m\u1eb7t c\u1ee9ng.<\/td><td>D\u1eb9t ho\u1eb7c bi\u1ebfn d\u1ea1ng m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t (\u0110\u1ed9 d\u1ebbo cao).<\/td><td>N\u1ee9t ho\u1eb7c v\u1ee1 (\u0110\u1ed9 gi\u00f2n cao\/ch\u1ea5t \u0111\u1ed9n qu\u00e1 nhi\u1ec1u).<\/td><\/tr><tr><td>Ki\u1ec3m tra m\u1eadt \u0111\u1ed9<\/td><td>\u0110\u1eb7t m\u1ed9t ph\u1ea7n nh\u1ecf v\u1eadt li\u1ec7u v\u00e0o m\u1ed9t h\u1ed9p \u0111\u1ef1ng n\u01b0\u1edbc.<\/td><td>N\u1ed5i tr\u00ean ho\u1eb7c ngay d\u01b0\u1edbi m\u1eb7t n\u01b0\u1edbc (M\u1eadt \u0111\u1ed9 \u2248 0,90-0,91 g\/cm\u00b3).<\/td><td>Ch\u00ecm; bi\u1ec3u th\u1ecb s\u1ef1 b\u1ed5 sung c\u00e1c ch\u1ea5t \u0111\u1ed9n n\u1eb7ng nh\u01b0 canxi cacbonat.<\/td><\/tr><tr><td>Ph\u1ea3n \u1ee9ng nhi\u1ec7t<\/td><td>D\u00f9ng m\u00e1y s\u1ea5y nhi\u1ec7t h\u01a1 \u0111\u1ec1u l\u00ean m\u1ed9t v\u00f9ng nh\u1ecf.<\/td><td>L\u00e0m m\u1ec1m \u0111\u1ec1u; kh\u00f4ng t\u1ea1o ra m\u00f9i kh\u00f3 ch\u1ecbu.<\/td><td>Tan ch\u1ea3y kh\u00f4ng \u0111\u1ec1u, n\u1ed5i b\u1ecdt ho\u1eb7c ph\u00e1t ra m\u00f9i h\u00f3a ch\u1ea5t n\u1ed3ng n\u1eb7c.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Batch_Inspection_Matters\"><\/span>T\u1ea1i sao ki\u1ec3m tra theo l\u00f4 l\u1ea1i quan tr\u1ecdng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ec9 c\u1ea7n m\u1ed9t van b\u1ecb l\u1ed7i trong l\u00f4 1000 chi\u1ebfc c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra r\u1ee7i ro r\u1ea5t l\u1edbn. Chi ph\u00ed b\u1ed3i th\u01b0\u1eddng b\u1ea3o hi\u1ec3m do l\u1eafp \u0111\u1eb7t sai c\u00f3 th\u1ec3 cao h\u01a1n to\u00e0n b\u1ed9 l\u00f4 van \u0111\u00f3. Vi\u1ec7c ph\u00e1t hi\u1ec7n l\u1ed7i ngay t\u1ea1i kho s\u1ebd gi\u00fap ng\u0103n ng\u1eeba c\u00e1c khi\u1ebfu n\u1ea1i t\u1ed1n k\u00e9m v\u00e0 chi ph\u00ed s\u1eeda ch\u1eefa kh\u1ea9n c\u1ea5p.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u0169ng s\u1ebd t\u1ea1o d\u1ef1ng \u0111\u01b0\u1ee3c l\u00f2ng tin v\u1edbi c\u00e1c nh\u00e0 th\u1ea7u khi cung c\u1ea5p c\u00e1c l\u00f4 h\u00e0ng s\u1eb5n s\u00e0ng l\u1eafp \u0111\u1eb7t m\u00e0 kh\u00f4ng g\u1eb7p v\u1ea5n \u0111\u1ec1 g\u00ec. Tu\u00e2n th\u1ee7 v\u00e0 <a href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-valve\/choose-reliable-ppr-ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>van bi ch\u1ea5t l\u01b0\u1ee3ng<\/strong><\/a> Vi\u1ec7c x\u1eed l\u00fd theo l\u00f4 gi\u00fap gi\u1ea3m s\u1ed1 l\u1ea7n ph\u1ea3i li\u00ean h\u1ec7 l\u1ea1i v\u00e0 c\u1ee7ng c\u1ed1 m\u1ed1i quan h\u1ec7 \u0111\u1ed1i t\u00e1c l\u00e2u d\u00e0i.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step-by-Step_Inspection_Checklist\"><\/span>Danh s\u00e1ch ki\u1ec3m tra t\u1eebng b\u01b0\u1edbc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Danh s\u00e1ch ki\u1ec3m tra n\u00e0y s\u1ebd gi\u00fap c\u00e1c nh\u00e0 b\u00e1n bu\u00f4n th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra ph\u1ee5 ki\u1ec7n PPR v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_Appearance\"><\/span>B\u01b0\u1edbc 1: Ngo\u1ea1i h\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y \u0111\u1ea3m b\u1ea3o m\u00e0u s\u1eafc nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c l\u00f4 h\u00e0ng. C\u00e1c m\u00e0u ti\u00eau chu\u1ea9n bao g\u1ed3m xanh l\u00e1 c\u00e2y, tr\u1eafng ho\u1eb7c x\u00e1m v\u1edbi l\u1edbp ph\u1ee7 b\u00f3ng \u0111\u1ed3ng nh\u1ea5t. Ki\u1ec3m tra xem nh\u00e3n hi\u1ec7u DESO v\u00e0 \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 PN20 ho\u1eb7c PN25, c\u00f3 \u0111\u01b0\u1ee3c d\u1eadp n\u1ed5i r\u00f5 r\u00e0ng tr\u00ean th\u00e2n van hay kh\u00f4ng. N\u1ebfu c\u00e1c k\u00fd hi\u1ec7u b\u1ecb m\u1edd ho\u1eb7c kh\u00f4ng \u0111\u1ec1u, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 ch\u00fang \u0111\u00e3 b\u1ecb m\u00f2n ho\u1eb7c c\u00f3 th\u00f4ng s\u1ed1 b\u01a1m kh\u00f4ng ch\u00ednh x\u00e1c.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_Dimensions\"><\/span>B\u01b0\u1edbc 2: K\u00edch th\u01b0\u1edbc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111o \u0111\u1ed9 s\u00e2u v\u00e0 \u0111\u01b0\u1eddng k\u00ednh trong c\u1ee7a kh\u1edbp n\u1ed1i, h\u00e3y s\u1eed d\u1ee5ng th\u01b0\u1edbc k\u1eb9p \u0111i\u1ec7n t\u1eed \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c. So s\u00e1nh c\u00e1c s\u1ed1 \u0111o v\u1edbi b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. \u0110o \u0111\u1ed9 d\u00e0y th\u00e0nh th\u00e2n van PPR \u0111\u1ec3 x\u00e1c nh\u1eadn n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ecbnh m\u1ee9c SDR c\u1ee7a \u1ed1ng. Th\u00f4ng th\u01b0\u1eddng, \u0111\u1ecbnh m\u1ee9c n\u00e0y l\u00e0 SDR 6 \u0111\u1ed1i v\u1edbi \u1ed1ng PN20 ho\u1eb7c SDR 7.4 \u0111\u1ed1i v\u1edbi \u1ed1ng PN16.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_Hydrostatic_Pressure_Test\"><\/span>B\u01b0\u1edbc 3: Th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t th\u1ee7y t\u0129nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra ng\u1eabu nhi\u00ean c\u00e1c m\u1eabu \u1edf \u00e1p su\u1ea5t g\u1ea5p 1,5 l\u1ea7n \u00e1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c t\u1ed1i \u0111a trong m\u1ed9t gi\u1edd. Van PN20 ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t 30 bar m\u00e0 kh\u00f4ng b\u1ecb h\u1ecfng. Ki\u1ec3m tra c\u00e1c m\u1eabu \u1edf c\u1ea3 nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao (95\u00b0C) \u0111\u1ec3 m\u00f4 ph\u1ecfng \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf. Ghi l\u1ea1i th\u1eddi gian gi\u1eef \u00e1p su\u1ea5t v\u00e0 v\u1ecb tr\u00ed h\u1ecfng h\u00f3c.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_Sealing\"><\/span>B\u01b0\u1edbc 4: Ni\u00eam phong<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra \u0111\u1ed9 k\u00edn c\u1ee7a v\u00f2ng \u0111\u1ec7m O-ring v\u00e0 van bi b\u1eb1ng kh\u00ed n\u00e9n. \u00c1p d\u1ee5ng \u00e1p su\u1ea5t kh\u00ed 10 bar \u1edf c\u1ea3 v\u1ecb tr\u00ed m\u1edf v\u00e0 \u0111\u00f3ng. \u0110\u1ec3 ph\u00e1t hi\u1ec7n b\u1ecdt kh\u00ed h\u00ecnh th\u00e0nh, nh\u00fang van v\u00e0o n\u01b0\u1edbc. Xoay tay c\u1ea7m 5 \u0111\u1ebfn 10 l\u1ea7n, l\u1eb7p l\u1ea1i v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng gio\u0103ng v\u1eabn k\u00edn kh\u00ed sau khi s\u1eed d\u1ee5ng.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_5_Material_Check\"><\/span>B\u01b0\u1edbc 5: Ki\u1ec3m tra v\u1eadt li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra OIT (th\u1eddi gian c\u1ea3m \u1ee9ng oxy h\u00f3a) ho\u1eb7c ki\u1ec3m tra m\u1eadt \u0111\u1ed9 \u0111\u1ec3 x\u00e1c nh\u1eadn \u0111\u00f3 l\u00e0 PPR nguy\u00ean ch\u1ea5t 100%. V\u1eadt li\u1ec7u t\u00e1i ch\u1ebf cho th\u1ea5y gi\u00e1 tr\u1ecb OIT th\u1ea5p h\u01a1n. V\u1eadt li\u1ec7u nguy\u00ean ch\u1ea5t th\u1ec3 hi\u1ec7n t\u00ednh k\u1ebft tinh v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea5t k\u1ef3 chi ti\u1ebft kim lo\u1ea1i n\u00e0o \u0111\u01b0\u1ee3c l\u1eafp gh\u00e9p \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb \u0111\u1ed3ng thau CW617N ho\u1eb7c \u0111\u1ed3ng thau ch\u1ed1ng \u0103n m\u00f2n (DZR). \u0110\u1ed3ng thau th\u00f4ng th\u01b0\u1eddng s\u1ebd b\u1ecb h\u1ecfng trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc n\u00f3ng, trong khi \u0111\u1ed3ng thau DZR duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n c\u1ea5u tr\u00fac.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_6_Assembly_Functionality\"><\/span>B\u01b0\u1edbc 6: L\u1eafp r\u00e1p &amp; Ch\u1ee9c n\u0103ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">TRONG <strong>Van PPR<\/strong> Khi v\u1eadn h\u00e0nh tay c\u1ea7m, n\u00f3 ph\u1ea3i xoay m\u1ed9t c\u00e1ch tr\u01a1n tru v\u00e0 ch\u1eafc ch\u1eafn. N\u1ebfu qu\u00e1 l\u1ecfng, c\u00f3 ngh\u0129a l\u00e0 n\u00f3 \u0111\u01b0\u1ee3c l\u00e0m k\u00edn k\u00e9m. Qu\u00e1 ch\u1eb7t cho th\u1ea5y tr\u1ee5c b\u1ecb l\u1ec7ch.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ki\u1ec3m tra c\u01a1 c\u1ea5u d\u1eebng, h\u00e3y d\u00f9ng l\u1ef1c t\u1ed1i \u0111a t\u00e1c \u0111\u1ed9ng l\u00ean tay c\u1ea7m. C\u01a1 c\u1ea5u d\u1eebng \u0111\u00f3ng\/m\u1edf ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 hi\u1ec3n th\u1ecb r\u00f5 v\u1ecb tr\u00ed.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_7_Packaging_Labeling\"><\/span>B\u01b0\u1edbc 7: \u0110\u00f3ng g\u00f3i v\u00e0 d\u00e1n nh\u00e3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y \u0111\u1ea3m b\u1ea3o s\u1ed1 l\u01b0\u1ee3ng kh\u1edbp v\u1edbi s\u1ed1 l\u01b0\u1ee3ng ghi tr\u00ean nh\u00e3n. C\u00e1c t\u00fai b\u00ean trong ph\u1ea3i c\u00f2n nguy\u00ean v\u1eb9n \u0111\u1ec3 tr\u00e1nh b\u1ee5i v\u00e0 h\u01a1i \u1ea9m. M\u00e3 QR ho\u1eb7c s\u1ed1 l\u00f4 ph\u1ea3i hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 theo d\u00f5i b\u1ea3o h\u00e0nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_DESO_Controls_Valve_Quality\"><\/span>DESO ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng van nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i Deso, ch\u00fang t\u00f4i lo\u1ea1i b\u1ecf sai s\u00f3t c\u1ee7a con ng\u01b0\u1eddi trong s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u00e9p phun t\u1ef1 \u0111\u1ed9ng. M\u00e1y t\u00ednh \u0111i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t v\u00e0 qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t cho t\u1eebng van. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c c\u1ee5m van bi ch\u1ea5t l\u01b0\u1ee3ng cao. <a href=\"https:\/\/www.desopipe.com\/vi\/product-category\/ppr-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Van PPR<\/strong><\/a>.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00f2ng th\u00ed nghi\u1ec7m n\u1ed9i b\u1ed9 c\u1ee7a ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh ki\u1ec3m tra \u00e1p su\u1ea5t 24 gi\u1edd v\u00e0 ph\u00e2n t\u00edch nguy\u00ean li\u1ec7u th\u00f4 tr\u00ean m\u1ed7i l\u00f4 s\u1ea3n xu\u1ea5t. C\u00e1c m\u1eabu \u0111\u01b0\u1ee3c tr\u1ea3i qua c\u00e1c th\u1eed nghi\u1ec7m l\u00e3o h\u00f3a t\u0103ng t\u1ed1c m\u00f4 ph\u1ecfng nhi\u1ec1u n\u0103m s\u1eed d\u1ee5ng tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t xu\u1ea5t x\u01b0\u1edfng. Ch\u1ec9 nh\u1eefng l\u00f4 h\u00e0ng v\u01b0\u1ee3t qua t\u1ea5t c\u1ea3 c\u00e1c b\u00e0i ki\u1ec3m tra m\u1edbi \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deso lu\u00f4n tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 nh\u00e3n CE v\u00e0 <a href=\"https:\/\/www.desopipe.com\/vi\/certificate\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ti\u00eau chu\u1ea9n ISO 9001:2015<\/a> ch\u1ee9ng nh\u1eadn. C\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i b\u00e1n bu\u00f4n c\u1ee7a ch\u00fang t\u00f4i kh\u00f4ng g\u1eb7p v\u1ea5n \u0111\u1ec1 g\u00ec v\u1edbi th\u1ee7 t\u1ee5c h\u1ea3i quan v\u00e0 ph\u00ea duy\u1ec7t theo quy \u0111\u1ecbnh t\u1ea1i th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf.\u00a0<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>S\u1ea3n ph\u1ea9m n\u1ed5i b\u1eadt c\u1ee7a Hero<\/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\/vi\/product\/ppr-stop-valves-835\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/03\/Stop-valve-II.jpg\" alt=\"\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Van ch\u1eb7n PPR II<\/div>\n    <div class=\"hero-description\">\nV\u1eadt li\u1ec7u: Nguy\u00ean li\u1ec7u PPR t\u1eeb Hyosung H\u00e0n Qu\u1ed1c ho\u1eb7c Borealis (v\u00ed d\u1ee5: HPB58-3A, HPB59, CW617N)<\/div>\n    <span class=\"hero-link\">Xem s\u1ea3n ph\u1ea9m<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Ph\u1ea7n k\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi t\u01b0 c\u00e1ch l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh. <strong>Van PPR<\/strong> v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n, DESO tr\u1ea3i qua quy tr\u00ecnh 7 b\u01b0\u1edbc. <strong>Ki\u1ec3m tra ph\u1ee5 ki\u1ec7n PPR<\/strong> quy tr\u00ecnh n\u00e0y b\u1ea3o v\u1ec7 c\u00e1c nh\u00e0 b\u00e1n bu\u00f4n kh\u1ecfi tr\u00e1ch nhi\u1ec7m ph\u00e1p l\u00fd v\u00e0 c\u00e1c nh\u00e0 th\u1ea7u kh\u1ecfi c\u00e1c l\u1ed7i l\u1eafp \u0111\u1eb7t. M\u1ed7i b\u01b0\u1edbc gi\u1ea3i quy\u1ebft c\u00e1c ch\u1ebf \u0111\u1ed9 l\u1ed7i c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a h\u1ec7 th\u1ed1ng. Vi\u1ec7c x\u00e1c minh c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi...<strong> van PPR<\/strong> Thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang nh\u01b0 \u0111\u00e3 h\u1ee9a. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m m\u1ecdi th\u1ee9, t\u1eeb ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng \u0111\u1ebfn c\u00e1c b\u00e0i ki\u1ec3m tra \u00e1p su\u1ea5t cu\u1ed1i c\u00f9ng.<\/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\/vi\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u1eadn b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>In a plumbing system, a valve is the weakest link. One faulty PPR valve can ruin an entire installation. This may lead to leaks, pressure drops,<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":4243,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-4159","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>PPR Valve Quality Check: 7-Step Inspection Guide | DESO Group<\/title>\n<meta name=\"description\" content=\"Guarantee your wholesale PPR valve batches pass quality control. 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