{"id":951,"date":"2025-08-13T05:30:00","date_gmt":"2025-08-12T21:30:00","guid":{"rendered":"https:\/\/zjhaotianwelding.com\/?p=951"},"modified":"2025-08-12T13:45:37","modified_gmt":"2025-08-12T05:45:37","slug":"ppr-fusion-joint-inspection","status":"publish","type":"post","link":"https:\/\/zjhaotianwelding.com\/vi\/ppr-fusion-joint-inspection\/","title":{"rendered":"Ki\u1ec3m tra h\u00e0n \u1ed1ng PPR: Quy tr\u00ecnh 7 b\u01b0\u1edbc x\u00e1c minh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n kh\u00f4ng r\u00f2 r\u1ec9"},"content":{"rendered":"<h3 class=\"wp-block-heading\">1. Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng (ngay sau khi l\u00e0m l\u1ea1nh)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra c\u1ea5u tr\u00fac hai h\u00e0ng h\u1ea1t<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u01b0\u1ee3c ch\u1ea5p nh\u1eadn<\/strong>: V\u00f2ng kim lo\u1ea1i n\u00f3ng ch\u1ea3y \u0111\u1ed3ng nh\u1ea5t t\u1ea1i \u0111i\u1ec3m n\u1ed1i \u1ed1ng\/ph\u1ee5 ki\u1ec7n (chi\u1ec1u cao t\u1ed1i thi\u1ec3u 1 mm)<\/li>\n\n\n\n<li><strong>T\u1eeb ch\u1ed1i<\/strong>: H\u1ea1t kh\u00f4ng \u0111\u1ec1u, c\u1ea5u tr\u00fac h\u1ea1t ch\u01b0a ho\u00e0n ch\u1ec9nh (cho th\u1ea5y m\u1ed1i h\u00e0n l\u1ea1nh)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra m\u00e0u s\u1eafc v\u00e0 k\u1ebft c\u1ea5u<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u00ecnh th\u01b0\u1eddng<\/strong>: B\u1ec1 m\u1eb7t m\u1ecbn, m\u00e0u n\u00e2u nh\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u<\/li>\n\n\n\n<li><strong>T\u1eeb ch\u1ed1i<\/strong>:\n<ul class=\"wp-block-list\">\n<li>M\u00e0u v\u00e0ng nh\u1ea1t (ch\u01b0a nung \u0111\u1ee7)<\/li>\n\n\n\n<li>N\u00e2u s\u1eabm\/\u0111en (do qu\u00e1 nhi\u1ec7t)<\/li>\n\n\n\n<li>B\u1ecdt kh\u00ed\/v\u1ebft n\u1ee9t (t\u1ea1p ch\u1ea5t)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra \u0111\u1ed9 s\u00e2u l\u1eafp \u0111\u1eb7t<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00f9ng th\u01b0\u1edbc k\u1eb9p \u0111o so v\u1edbi v\u1ea1ch \u0111\u00e3 \u0111\u00e1nh d\u1ea5u<\/li>\n\n\n\n<li>Dung sai cho ph\u00e9p: sai l\u1ec7ch 0,5 mm<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Ki\u1ec3m tra b\u1eb1ng x\u00fac gi\u00e1c v\u00e0 k\u00edch th\u01b0\u1edbc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Th\u1eed nghi\u1ec7m t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a kh\u1edbp<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>C\u00f4ng c\u1ee5<\/strong><\/th><th><strong>Ph\u01b0\u01a1ng ph\u00e1p<\/strong><\/th><th><strong>\u0110\u1ea1t ti\u00eau chu\u1ea9n<\/strong><\/th><\/tr><\/thead><tbody><tr><td>M\u00e1y \u0111o \u0111\u01b0\u1eddng vi\u1ec1n<\/td><td>\u0110\u01b0\u1eddng vi\u1ec1n \u0111i\u1ec3m giao nhau<\/td><td>S\u1ef1 chuy\u1ec3n ti\u1ebfp m\u01b0\u1ee3t m\u00e0<\/td><\/tr><tr><td>Th\u01b0\u1edbc k\u1eb9p<\/td><td>\u0110o chu vi h\u1ea1t<\/td><td>S\u1ef1 dao \u0111\u1ed9ng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh \u22645%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra bi\u1ebfn d\u1ea1ng b\u00ean trong<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m tra th\u1ee7 c\u00f4ng (d\u00f9ng ng\u00f3n tay qu\u00e9t qua \u0111\u1ed1i v\u1edbi DN\u226525)<\/li>\n\n\n\n<li>Ki\u1ec3m tra b\u1eb1ng \u1ed1ng n\u1ed9i soi cho \u0111\u01b0\u1eddng k\u00ednh DN \u2264 20<\/li>\n\n\n\n<li>T\u1eeb ch\u1ed1i n\u1ebfu:\n<ul class=\"wp-block-list\">\n<li>V\u00f2ng g\u1edd b\u00ean trong l\u00e0m gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng &gt;10%<\/li>\n\n\n\n<li>\u0110\u1ed9 bi\u1ebfn d\u1ea1ng h\u00ecnh b\u1ea7u d\u1ee5c v\u01b0\u1ee3t qu\u00e1 3%<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Ki\u1ec3m tra \u00e1p su\u1ea5t (X\u00e1c nh\u1eadn b\u1eaft bu\u1ed9c)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Giai \u0111o\u1ea1n 1: Ki\u1ec3m tra kh\u00f4ng kh\u00ed s\u01a1 b\u1ed9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c1p d\u1ee5ng \u00e1p su\u1ea5t kh\u00ed n\u00e9n 0,5 bar<\/li>\n\n\n\n<li>B\u00f4i dung d\u1ecbch x\u00e0 ph\u00f2ng l\u00ean c\u00e1c m\u1ed1i n\u1ed1i<\/li>\n\n\n\n<li>K\u1ebft qu\u1ea3: Kh\u00f4ng c\u00f3 b\u1ecdt sau 10 ph\u00fat<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Giai \u0111o\u1ea1n 2: Th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t th\u1ee7y t\u0129nh<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Tham s\u1ed1<\/strong><\/th><th><strong>Y\u00eau c\u1ea7u<\/strong><\/th><\/tr><\/thead><tbody><tr><td>M\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m<\/td><td>N\u01b0\u1edbc s\u1ea1ch \u1edf nhi\u1ec7t \u0111\u1ed9 20\u00b15\u00b0C<\/td><\/tr><tr><td>\u00c1p su\u1ea5t th\u1eed nghi\u1ec7m<\/td><td>1,5 l\u1ea7n \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a h\u1ec7 th\u1ed1ng<\/td><\/tr><tr><td>Th\u1eddi l\u01b0\u1ee3ng<\/td><td>T\u1ed1i thi\u1ec3u 1 gi\u1edd (\u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng quan tr\u1ecdng: 24 gi\u1edd)<\/td><\/tr><tr><td>S\u1ef1 ch\u1ea5p nh\u1eadn<\/td><td>S\u1ef1 s\u1ee5t \u00e1p \u22640,2 bar<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>L\u01b0u \u00fd: Trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3ng b\u0103ng, h\u00e3y s\u1eed d\u1ee5ng dung d\u1ecbch ki\u1ec3m tra c\u00f3 th\u00e0nh ph\u1ea7n glycol<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. Ph\u00e2n t\u00edch v\u00e0 kh\u1eafc ph\u1ee5c l\u1ed7i<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>L\u1ed7i<\/strong><\/th><th><strong>Nguy\u00ean nh\u00e2n<\/strong><\/th><th><strong>H\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c<\/strong><\/th><\/tr><\/thead><tbody><tr><td>H\u00ecnh d\u1ea1ng h\u1ea1t kh\u00f4ng \u0111\u1ec1u<\/td><td>Nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ec1u<\/td><td>Thay th\u1ebf kh\u1edbp n\u1ed1i; hi\u1ec7u ch\u1ec9nh l\u1ea1i khu\u00f4n<\/td><\/tr><tr><td>C\u00e1c b\u1ecdt kh\u00ed si\u00eau nh\u1ecf<\/td><td>\u00d4 nhi\u1ec5m do \u0111\u1ed9 \u1ea9m<\/td><td>L\u00e0m kh\u00f4 c\u00e1c b\u1ed9 ph\u1eadn; lau l\u1ea1i b\u1eb1ng c\u1ed3n<\/td><\/tr><tr><td>S\u1ee5t \u00e1p qu\u00e1 m\u1ee9c<\/td><td>Khe h\u1edf\/m\u1ed1i n\u1ed1i l\u1ea1nh<\/td><td>C\u1eaft b\u1ecf v\u00e0 thay th\u1ebf ph\u1ea7n n\u00e0y<\/td><\/tr><tr><td>T\u1ea9y tr\u1eafng r\u0103ng do c\u0103ng th\u1eb3ng<\/td><td>X\u1eed l\u00fd qu\u00e1 s\u1edbm<\/td><td>Th\u00eam \u0111i\u1ec3m t\u1ef1a; ki\u1ec3m tra l\u1ea1i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. Y\u00eau c\u1ea7u v\u1ec1 h\u1ed3 s\u01a1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u01b0u gi\u1eef h\u1ed3 s\u01a1 v\u1ec1:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Gi\u1ea5y ch\u1ee9ng nh\u1eadn hi\u1ec7u chu\u1ea9n m\u00e1y h\u00e0n<\/li>\n\n\n\n<li>S\u1ed1 l\u00f4 v\u1eadt li\u1ec7u (\u1ed1ng + ph\u1ee5 ki\u1ec7n)<\/li>\n\n\n\n<li>Bi\u1ec3u \u0111\u1ed3 nhi\u1ec7t \u0111\u1ed9 theo th\u1eddi gian cho t\u1eebng m\u1ed1i n\u1ed1i<\/li>\n\n\n\n<li>K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t k\u00e8m theo d\u1ea5u th\u1eddi gian<\/li>\n\n\n\n<li>B\u00e1o c\u00e1o x\u00e1c minh c\u1ee7a thanh tra<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u1ed1i n\u1ed1i \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c y\u00eau c\u1ea7u ki\u1ec3m tra \u0111\u1ec1u tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh d\u00e0nh cho c\u00e1c c\u00f4ng tr\u00ecnh l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Nguy\u00ean l\u00fd k\u1ef9 thu\u1eadt:<\/strong>&nbsp;M\u1ed9t m\u1ed1i n\u1ed1i PPR \u0111\u01b0\u1ee3c h\u00e0n \u0111\u00fang c\u00e1ch s\u1ebd b\u1ecb h\u1ecfng b\u00ean trong v\u1eadt li\u1ec7u \u1ed1ng, ch\u1ee9 kh\u00f4ng bao gi\u1edd t\u1ea1i v\u1ecb tr\u00ed m\u1ed1i h\u00e0n.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>1. Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng (ngay sau khi l\u00e0m l\u1ea1nh) Ki\u1ec3m tra s\u1ef1 h\u00ecnh th\u00e0nh \u0111\u01b0\u1eddng g\u1edd k\u00e9p Ki\u1ec3m tra m\u00e0u s\u1eafc v\u00e0 k\u1ebft c\u1ea5u X\u00e1c minh \u0111\u1ed9 s\u00e2u l\u1eafp gh\u00e9p 2. X\u00e1c minh b\u1eb1ng x\u00fac gi\u00e1c v\u00e0 k\u00edch th\u01b0\u1edbc Ki\u1ec3m tra t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a m\u1ed1i n\u1ed1i Ph\u01b0\u01a1ng ph\u00e1p d\u1ee5ng c\u1ee5 \u0110\u1ea1t ti\u00eau chu\u1ea9n M\u00e1y \u0111o \u0111\u01b0\u1eddng vi\u1ec1n \u0110\u01b0\u1eddng vi\u1ec1n m\u1ed1i n\u1ed1i Chuy\u1ec3n ti\u1ebfp li\u1ec1n m\u1ea1ch Th\u01b0\u1edbc k\u1eb9p \u0110o chu vi \u0111\u01b0\u1eddng g\u1edd Bi\u1ebfn \u0111\u1ed9ng \u0111\u01b0\u1eddng k\u00ednh \u22645% Ki\u1ec3m tra bi\u1ebfn d\u1ea1ng b\u00ean trong 3. Th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t (X\u00e1c nh\u1eadn b\u1eaft bu\u1ed9c) Giai \u0111o\u1ea1n 1: Th\u1eed nghi\u1ec7m kh\u00ed s\u01a1 b\u1ed9 \u2026 <a title=\"Ki\u1ec3m tra h\u00e0n \u1ed1ng PPR: Quy tr\u00ecnh 7 b\u01b0\u1edbc x\u00e1c minh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n kh\u00f4ng r\u00f2 r\u1ec9\" class=\"read-more\" href=\"https:\/\/zjhaotianwelding.com\/vi\/ppr-fusion-joint-inspection\/\" aria-label=\"T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 Ki\u1ec3m tra m\u1ed1i h\u00e0n \u1ed1ng PPR: Quy tr\u00ecnh x\u00e1c minh 7 b\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed1i n\u1ed1i kh\u00f4ng r\u00f2 r\u1ec9\">\u0110\u1ecdc ti\u1ebfp<\/a><\/p>","protected":false},"author":1,"featured_media":952,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PPR Pipe Fusion Inspection: 7-Step Verification for Leak-Proof Joints - HAOTIAN<\/title>\n<meta name=\"description\" content=\"PPR Pipe Fusion Inspection: 7-Step Verification for Leak-Proof Joints Proper post-fusion inspection ensures lifetime integrity of PPR systems. 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