{"id":541,"date":"2025-05-23T06:20:38","date_gmt":"2025-05-23T06:20:38","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=541"},"modified":"2025-10-30T01:44:19","modified_gmt":"2025-10-30T01:44:19","slug":"hop-dong-ho-nuoc-vuong-bang-gang-deo","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/hop-dong-ho-nuoc-vuong-bang-gang-deo\/","title":{"rendered":"H\u1ed9p \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc vu\u00f4ng b\u1eb1ng gang d\u1ebbo"},"content":{"rendered":"<h3 class=\"wp-block-heading\"><strong>T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt \u00a0<\/strong><\/h3>\n\n\n\n<p><strong>V\u1eadt li\u1ec7u &amp; Quy tr\u00ecnh<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ea5t n\u1ec1n gang d\u1ebbo: Ph\u00e2n b\u1ed1 graphite h\u00ecnh c\u1ea7u th\u00f4ng qua x\u1eed l\u00fd magi\u00ea\/\u0111\u1ea5t hi\u1ebfm, c\u01b0\u1eddng \u0111\u1ed9 k\u00e9o \u2265420 MPa, \u0111\u1ed9 gi\u00e3n d\u00e0i \u226510%, v\u01b0\u1ee3t tr\u1ed9i h\u01a1n gang x\u00e1m (HT250). \u00a0<\/li>\n\n\n\n<li>Quy tr\u00ecnh ch\u1ed1ng \u0103n m\u00f2n: Phun k\u1ebdm (\u226580 \u03bcm) + l\u1edbp ph\u1ee7 nh\u1ef1a \u0111\u01b0\u1eddng\/epoxy, kh\u1ea3 n\u0103ng ch\u1ed1ng phun mu\u1ed1i \u22651.000 gi\u1edd (ASTM B117), ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ea5t c\u00f3 \u0111\u1ed9 pH 5\u201310 v\u00e0 m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. \u00a0<\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh: C\u1ea5u tr\u00fac h\u00ecnh vu\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ed9p c\u00f4ng t\u01a1 ti\u00eau chu\u1ea9n (v\u00ed d\u1ee5: 500\u00d7500 mm, 600\u00d7600 mm), c\u00f3 l\u1ed7 l\u1eafp \u0111\u01b0\u1ee3c khoan s\u1eb5n \u0111\u1ec3 t\u01b0\u01a1ng th\u00edch. \u00a0<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Thi\u1ebft k\u1ebf ch\u1ee9c n\u0103ng \u00a0<\/strong><\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Kh\u00f3a ch\u1ed1ng tr\u1ed9m: Kh\u00f3a l\u00f2 xo ba \u0111i\u1ec3m ho\u1eb7c b\u1ea3n l\u1ec1 ch\u1ed1t y\u00eau c\u1ea7u c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng, gi\u00fap gi\u1ea3m t\u00ecnh tr\u1ea1ng tr\u1ed9m c\u1eafp\/ph\u00e1 ho\u1ea1i l\u00ean \u0111\u1ebfn 90%. \u00a0<\/li>\n\n\n\n<li>Ch\u1ed1ng r\u00f2 r\u1ec9 v\u00e0 b\u1ecbt k\u00edn: Gio\u0103ng cao su ng\u0103n n\u01b0\u1edbc m\u01b0a\/r\u00e1c x\u00e2m nh\u1eadp, b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng. \u00a0<\/li>\n\n\n\n<li>B\u1ec1 m\u1eb7t ch\u1ed1ng tr\u01b0\u1ee3t: H\u1ecda ti\u1ebft kim c\u01b0\u01a1ng ho\u1eb7c r\u00e3nh (h\u1ec7 s\u1ed1 ma s\u00e1t \u22650,6) \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t khi tr\u1eddi m\u01b0a\/tuy\u1ebft. \u00a0<\/li>\n\n\n\n<li>V\u1eadn h\u00e0nh d\u1ec5 d\u00e0ng: B\u1ea3n l\u1ec1 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho ph\u00e9p m\u1ed9t ng\u01b0\u1eddi c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn, \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c b\u1ea3o tr\u00ec. \u00a0<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ed1t l\u00f5i \u00a0<\/h3>\n\n\n\n<p><strong>1. \u0110\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c m\u1ea1nh c\u1ef1c cao \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u01b0\u1eddng \u0111\u1ed9 n\u00e9n 400\u2013600 MPa, ch\u1ecbu \u0111\u01b0\u1ee3c xe h\u1ea1ng n\u1eb7ng (c\u1ea5p D400: t\u1ea3i tr\u1ecdng 40 t\u1ea5n), b\u1ea3o v\u1ec7 h\u1ed9p c\u00f4ng t\u01a1 kh\u1ecfi b\u1ecb h\u01b0 h\u1ecfng do va \u0111\u1eadp. \u00a0<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi: Ch\u1ecbu \u0111\u01b0\u1ee3c 2 tri\u1ec7u chu k\u1ef3 t\u1ea3i tr\u1ecdng \u0111\u1ed9ng m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng, tu\u1ed5i th\u1ecd \u226530 n\u0103m. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Ch\u1ed1ng tr\u1ed9m &amp; An to\u00e0n \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 t\u00e1i ch\u1ebf (\u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u l\u00e0 kh\u00f4ng th\u1ec3 t\u00e1i ch\u1ebf) + kh\u00f3a ba \u0111i\u1ec3m y\u00eau c\u1ea7u c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng (v\u00ed d\u1ee5: c\u1edd l\u00ea ch\u1eef T), ng\u0103n ch\u1eb7n tr\u1ed9m c\u1eafp (th\u1eddi gian th\u00e1o d\u1ee1 \u226520 ph\u00fat). \u00a0<\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf ch\u1ed1ng r\u01a1i \u0111\u1ea3m b\u1ea3o \u0111\u00f3ng ch\u1eb7t, ng\u0103n ng\u1eeba r\u01a1i r\u1edbt ngo\u00e0i \u00fd mu\u1ed1n. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>3. Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi m\u00f4i tr\u01b0\u1eddng \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9: -40\u2103 \u0111\u1ebfn +350\u2103, ch\u1ed1ng \u0111\u00f3ng b\u0103ng-tan b\u0103ng, ph\u00f9 h\u1ee3p v\u1edbi kh\u00ed h\u1eadu B\u1eafc C\u1ef1c ho\u1eb7c nhi\u1ec7t \u0111\u1edbi. \u00a0<\/li>\n\n\n\n<li>L\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i m\u01b0a axit, mu\u1ed1i ph\u00e1 b\u0103ng v\u00e0 n\u01b0\u1edbc th\u1ea3i, l\u00fd t\u01b0\u1edfng cho c\u00e1c v\u00f9ng ven bi\u1ec3n. <\/li>\n<\/ul>\n\n\n\n<p><strong>4. Hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u00e0 b\u1ea3o tr\u00ec th\u1ea5p \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chi ph\u00ed v\u00f2ng \u0111\u1eddi th\u1ea5p: Kh\u00f4ng c\u1ea7n thay th\u1ebf th\u01b0\u1eddng xuy\u00ean (tu\u1ed5i th\u1ecd g\u1ea5p 3 l\u1ea7n so v\u1edbi v\u1eadt li\u1ec7u composite), ch\u1ec9 c\u1ea7n ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3, c\u1eaft gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec t\u1edbi 50%. \u00a0<\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf m\u00f4-\u0111un cho ph\u00e9p thay th\u1ebf nhanh ch\u00f3ng, gi\u1ea3m thi\u1ec3u gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 c\u1ea5p n\u01b0\u1edbc. \u00a0<\/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\">\u1ee8ng d\u1ee5ng ch\u00ednh \u00a0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u1ea5p n\u01b0\u1edbc \u0111\u00f4 th\u1ecb: Khu d\u00e2n c\u01b0, h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc th\u1ee9 c\u1ea5p th\u01b0\u01a1ng m\u1ea1i. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>N\u00fat n\u01b0\u1edbc th\u00f4ng minh: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ed1 \u0111o t\u1eeb xa th\u00f4ng minh (gi\u00e1m s\u00e1t d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c). \u00a0<\/li>\n\n\n\n<li>H\u1ed1 gi\u00e1m s\u00e1t v\u00f2i c\u1ee9u h\u1ecfa (c\u1ea3nh b\u00e1o \u00e1p su\u1ea5t b\u1ea5t th\u01b0\u1eddng). \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>M\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t (phi\u00ean b\u1ea3n ch\u1ecbu axit). \u00a0<\/li>\n\n\n\n<li>Khu v\u1ef1c B\u1eafc C\u1ef1c. \u00a0<\/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\">Ti\u00eau chu\u1ea9n &amp; Ch\u1ee9ng nh\u1eadn \u00a0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Qu\u1ed1c t\u1ebf: ISO 1083 (gang d\u1ebbo), EN124 C250 (t\u1ea3i tr\u1ecdng \u0111\u1ecbnh m\u1ee9c). \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>Trung Qu\u1ed1c: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CJ\/T327-2010 (l\u01b0\u1edbi thu n\u01b0\u1edbc t\u00e1i ch\u1ebf). \u00a0<\/li>\n\n\n\n<li>GB\/T23858-2009 (n\u1eafp h\u1ed1 ga). \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>Ch\u1ee9ng nh\u1eadn: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ed1ng n\u01b0\u1edbc: GB4208 IP68. \u00a0<\/li>\n\n\n\n<li>Ch\u1ed1ng tr\u1ed9m: GA\/T73-2018 Lo\u1ea1i A. \u00a0<\/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\">B\u1ea3n t\u00f3m t\u1eaft \u00a0<\/h3>\n\n\n\n<p>V\u1ecf h\u1ed9p \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc vu\u00f4ng b\u1eb1ng gang d\u1ebbo \u0111\u1ecbnh ngh\u0129a l\u1ea1i t\u00ednh an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ea5p n\u01b0\u1edbc th\u00f4ng qua kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ch\u00ednh x\u00e1c, t\u00edch h\u1ee3p th\u00f4ng minh v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng t\u1ed1i \u0111a. <\/p>\n\n\n\n<p><strong>\u0110i\u1ec3m m\u1ea1nh ch\u00ednh: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1. \u0110\u1ea3m b\u1ea3o kh\u00f4ng r\u00f2 r\u1ec9: L\u1edbp ni\u00eam phong ba l\u1edbp gi\u00fap lo\u1ea1i b\u1ecf s\u1ef1 x\u00e2m nh\u1eadp, b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng. &nbsp;<\/li>\n\n\n\n<li>2. Ti\u1ebft ki\u1ec7m ch\u1ed1ng tr\u1ed9m: Kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ed9m lo\u1ea1i A gi\u00fap gi\u1ea3m t\u1ed5n th\u1ea5t h\u00e0ng n\u0103m xu\u1ed1ng &gt;200.000 Y\u00ean cho m\u1ed7i 10.000 \u0111\u01a1n v\u1ecb. <\/li>\n\n\n\n<li>3. C\u1ed5ng n\u00e2ng c\u1ea5p th\u00f4ng minh: T\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi n\u1ec1n t\u1ea3ng n\u01b0\u1edbc th\u00f4ng minh cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i s\u1ed1. &nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1ea3n ph\u1ea9m n\u00e0y l\u00e0 th\u00e0nh ph\u1ea7n chi\u1ebfn l\u01b0\u1ee3c cho h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc \u0111\u00f4 th\u1ecb, ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y v\u00e0 c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng \u0111\u00f2i h\u1ecfi s\u1ed1 h\u00f3a, b\u1ea3o m\u1eadt v\u00e0 \u0111\u1ed9 b\u1ec1n. \u00a0<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>300\u00d7500\u2013600\u00d7800 &nbsp;<\/li>\n\n\n\n<li>B125\u2014D400<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt V\u1eadt li\u1ec7u &amp; Quy tr\u00ecnh Thi\u1ebft k\u1ebf ch\u1ee9c n\u0103ng \u01afu \u0111i\u1ec3m c\u1ed1t l\u00f5i 1. \u0110\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ef1c cao 2. Ch\u1ed1ng tr\u1ed9m &amp; An to\u00e0n 3. Th\u00edch \u1ee9ng v\u1edbi m\u00f4i tr\u01b0\u1eddng 4. Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed &amp; B\u1ea3o tr\u00ec th\u1ea5p \u1ee8ng d\u1ee5ng ch\u00ednh N\u00fat n\u01b0\u1edbc th\u00f4ng minh: M\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t: Ti\u00eau chu\u1ea9n &amp; Ch\u1ee9ng nh\u1eadn Trung Qu\u1ed1c: Ch\u1ee9ng nh\u1eadn: T\u00f3m t\u1eaft [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,2,43,48],"tags":[72,71,73],"class_list":["post-541","post","type-post","status-publish","format-standard","hentry","category-ductile-cast-iron-products","category-products","category-square-manhole-cover","category-trench-drain","tag-ductile-iron-square-water","tag-water-meter-box","tag-water-meter-box-cover"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ductile Cast Iron Square Water Meter Box Products - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lzbmetal.com\/vi\/hop-dong-ho-nuoc-vuong-bang-gang-deo\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ductile Cast Iron Square Water Meter Box Products - LZBMetal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"Technical Features \u00a0 Material &amp; Process Functional Design \u00a0 Core Advantages \u00a0 1. 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