{"id":1098,"date":"2025-09-01T05:59:26","date_gmt":"2025-09-01T05:59:26","guid":{"rendered":"https:\/\/luzhongbao.com\/?p=1098"},"modified":"2025-09-01T05:59:27","modified_gmt":"2025-09-01T05:59:27","slug":"nap-ho-ga-chong-lun-bang-gang-deo-875x500x35-co-the-dieu-chinh","status":"publish","type":"post","link":"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-chong-lun-bang-gang-deo-875x500x35-co-the-dieu-chinh\/","title":{"rendered":"N\u1eafp h\u1ed1 ga ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo 875\u00d7500\u00d735 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh"},"content":{"rendered":"<p>N\u1eafp h\u1ed1 ga ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo Road Middle Treasure 875\u00d7500\u00d735 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh: Dao m\u1ed5 ch\u00ednh x\u00e1c cho c\u00e1c b\u1ec7nh l\u00fd \u0111\u01b0\u1eddng b\u1ed9 \u0111\u00f4 th\u1ecb<\/p>\n\n\n\n<p>N\u0103m l\u1ee3i th\u1ebf k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. H\u1ec7 th\u1ed1ng v\u00f2ng \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng minh &nbsp;<\/h3>\n\n\n\n<p>V\u00f2ng n\u00e2ng xo\u1eafn \u1ed1c \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf (QT450-10) cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 cao \u00b150mm li\u00ean t\u1ee5c cho c\u00e1c \u0111o\u1ea1n chuy\u1ec3n ti\u1ebfp nh\u1ef1a \u0111\u01b0\u1eddng\/b\u00ea t\u00f4ng. &nbsp;<\/p>\n\n\n\n<p>32 khe \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t s\u1eb5n tr\u00ean th\u00e0nh v\u00f2ng (t\u1ea3i tr\u1ecdng m\u1ed9t \u0111i\u1ec3m \u226515kN); t\u1ef1 \u0111\u1ed9ng kh\u00f3a sau khi \u0111i\u1ec1u ch\u1ec9nh. &nbsp;<\/p>\n\n\n\n<p>C\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng hi\u1ec7u ch\u1ec9nh \u0111\u1ed9 cao trong 5 ph\u00fat\u2014l\u1eafp \u0111\u1eb7t nhanh h\u01a1n 80%. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. C\u1ea5u tr\u00fac gia c\u1ed1 si\u00eau m\u1ecfng &nbsp;<\/h3>\n\n\n\n<p>N\u1eafp \u0111\u1eady 35mm t\u00edch h\u1ee3p c\u00e1c g\u00e2n ngang 3D (cao 25mm), t\u0103ng hi\u1ec7u qu\u1ea3 t\u1ea3i l\u00ean 40%. &nbsp;<\/p>\n\n\n\n<p>\u0110\u1ebf QT500-7 (gi\u1edbi h\u1ea1n ch\u1ea3y \u2265320MPa) v\u01b0\u1ee3t qu\u00e1 ch\u1ee9ng nh\u1eadn D400 (400kN). &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf h\u00ecnh ch\u1eef nh\u1eadt 875\u00d7500mm bao ph\u1ee7 c\u00e1c l\u1ed7 m\u1edf kh\u00f4ng chu\u1ea9n, gi\u1ea3m thi\u1ec3u vi\u1ec7c c\u1eaft \u0111\u01b0\u1eddng. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Ch\u1ed1ng th\u1ea5m \u0111\u1ed9ng n\u0103m chi\u1ec1u &nbsp;<\/h3>\n\n\n\n<p>Ni\u00eam phong ba l\u1edbp: &nbsp;<\/p>\n\n\n\n<p>V\u00f2ng \u0111\u1ec7m kh\u00ed silicon b\u00ean d\u01b0\u1edbi n\u1eafp (ch\u1ecbu \u0111\u01b0\u1ee3c -50~150\u00b0C) &nbsp;<\/p>\n\n\n\n<p>Ph\u1edbt EPDM tr\u00ean \u0111\u1ed9 d\u1ed1c c\u1ee7a v\u00f2ng (\u0111\u1ed9 ph\u1ee5c h\u1ed3i n\u00e9n &gt;90%) &nbsp;<\/p>\n\n\n\n<p>L\u1edbp keo tr\u00e1m nh\u1ef1a \u0111\u01b0\u1eddng d\u01b0\u1edbi v\u00f2ng \u0111i\u1ec1u ch\u1ec9nh &nbsp;<\/p>\n\n\n\n<p>Ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t n\u01b0\u1edbc 0,3MPa trong 72 gi\u1edd (v\u01b0\u1ee3t qu\u00e1 IP68). &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf t\u1ef1 b\u00f9 c\u00f3 tu\u1ed5i th\u1ecd &gt;10 n\u0103m. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Gi\u1ea3m ti\u1ebfng \u1ed3n\/rung b\u1ed1n giai \u0111o\u1ea1n &nbsp;<\/h3>\n\n\n\n<p>\u0110\u1ebf gi\u1ea3m ch\u1ea5n n\u1ed5i: Mi\u1ebfng \u0111\u1ec7m cao su c\u00f3 \u0111\u1ed9 t\u1ed5n th\u1ea5t cao (h\u1ec7 s\u1ed1 t\u1ed5n th\u1ea5t 0,25) h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng va ch\u1ea1m 60%. &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1t n\u00eam b\u1eb1ng nylon + tr\u1ee5 d\u1eabn h\u01b0\u1edbng thon gi\u00fap lo\u1ea1i b\u1ecf ti\u1ebfng \u1ed3n khi ti\u1ebfp x\u00fac v\u1edbi kim lo\u1ea1i. &nbsp;<\/p>\n\n\n\n<p>L\u1edbp b\u1ecdt h\u1ea5p th\u1ee5 \u00e2m thanh d\u1ea1ng t\u1ed5 ong trong v\u00f2ng gi\u00fap gi\u1ea3m ti\u1ebfng \u1ed3n t\u1edbi 32dB(A). &nbsp;<\/p>\n\n\n\n<p>San ph\u1eb3ng m\u1eb7t \u0111\u01b0\u1eddng &lt;\u00b11mm\u2014lo\u1ea1i b\u1ecf ti\u1ebfng \u1ed3n &quot;n\u1ea3y&quot;. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Ch\u1ed1ng \u0103n m\u00f2n hi\u1ec7u qu\u1ea3 &amp; V\u1eadn h\u00e0nh &amp; B\u1ea3o tr\u00ec th\u00f4ng minh &nbsp;<\/h3>\n\n\n\n<p>L\u1edbp ph\u1ee7 epoxy k\u1ebdm-graphene (phun mu\u1ed1i &gt;2.000 gi\u1edd) ch\u1ed1ng \u0103n m\u00f2n do ch\u1ea5t ch\u1ed1ng \u0111\u00f3ng b\u0103ng. &nbsp;<\/p>\n\n\n\n<p>Chip NFC nh\u00fang (ISO14443) l\u01b0u tr\u1eef h\u1ed3 s\u01a1 b\u1ea3o tr\u00ec \u0111\u1ec3 truy c\u1eadp b\u1eb1ng \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh. &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf d\u1ea1ng m\u00f4-\u0111un th\u00e1o l\u1eafp nhanh: M\u1ed9t ng\u01b0\u1eddi c\u00f3 th\u1ec3 thay th\u1ebf trong v\u00f2ng 10 ph\u00fat. &nbsp;<\/p>\n\n\n\n<p>D\u1ea3i vi\u1ec1n hu\u1ef3nh quang (\u0111\u1ed9 s\u00e1ng &gt;250 mcd\/m\u00b2) ph\u00e1t s\u00e1ng v\u00e0o ban \u0111\u00eam. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ng\u01b0\u1eddi b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng tr\u01a1n tru t\u1eebng milimet &nbsp;<\/h3>\n\n\n\n<p>N\u1eafp ch\u1ed1ng l\u00fan \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c c\u1ee7a Road Middle Treasure gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1eddng m\u1edbi-c\u0169 v\u1edbi kh\u1ea3 n\u0103ng c\u00e2n b\u1eb1ng th\u00f4ng minh \u00b150mm, v\u01b0\u1ee3t qua gi\u1edbi h\u1ea1n kh\u00f4ng gian nh\u1edd thi\u1ebft k\u1ebf si\u00eau m\u1ecfng 35mm v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00f2 r\u1ec9 tr\u1ecdn \u0111\u1eddi v\u1edbi gio\u0103ng \u0111\u1ed9ng. \u0110\u01b0\u1ee3c tri\u1ec3n khai th\u00e0nh c\u00f4ng trong c\u00e1c d\u1ef1 \u00e1n c\u1ea3i t\u1ea1o hutong \u1edf B\u1eafc Kinh v\u00e0 n\u00e2ng c\u1ea5p khu \u0111\u00f4 th\u1ecb Th\u00e2m Quy\u1ebfn, s\u1ea3n ph\u1ea9m n\u00e0y ch\u1ea5m d\u1ee9t t\u00ecnh tr\u1ea1ng h\u1ed1 ga b\u1ecb t\u1eafc ngh\u1ebdn nh\u1edd kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng minh.<\/p>","protected":false},"excerpt":{"rendered":"<p>N\u1eafp h\u1ed1 ga ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo Road Middle Treasure 875\u00d7500\u00d735, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh: Dao m\u1ed5 ch\u00ednh x\u00e1c cho c\u00e1c b\u1ec7nh l\u00fd \u0111\u01b0\u1eddng b\u1ed9 \u0111\u00f4 th\u1ecb N\u0103m \u01b0u \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i 1. H\u1ec7 th\u1ed1ng v\u00f2ng \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng minh V\u00f2ng n\u00e2ng xo\u1eafn \u1ed1c \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf (QT450-10) cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 cao \u00b150mm v\u00f4 c\u1ea5p cho c\u00e1c \u0111o\u1ea1n chuy\u1ec3n ti\u1ebfp nh\u1ef1a \u0111\u01b0\u1eddng\/b\u00ea t\u00f4ng. 32 khe \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t s\u1eb5n tr\u00ean th\u00e0nh v\u00f2ng (t\u1ea3i tr\u1ecdng m\u1ed9t \u0111i\u1ec3m \u226515kN); t\u1ef1 \u0111\u1ed9ng kh\u00f3a sau khi \u0111i\u1ec1u ch\u1ec9nh. Chuy\u00ean d\u1ee5ng [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42,3,2,43],"tags":[126,114,63],"class_list":["post-1098","post","type-post","status-publish","format-standard","hentry","category-anti-settlement-manhole-cover","category-ductile-cast-iron-products","category-products","category-square-manhole-cover","tag-ductile-cast-iron","tag-luzhongbao","tag-manhole-cover"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>875\u00d7500\u00d735 Ductile Iron Anti-Settlement Adjustable Manhole Cover - Ductile Cast Iron Anti-settlement Manhole Cover - Luzhongbao Metal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"In old-city renewal, road rehabilitation, and pipeline upgrade projects, chronic issues like height discrepancies, noise, and water seepage around manholes plague municipal management. Road Middle Treasure\u2019s 875\u00d7500\u00d735 anti-settlement adjustable cover innovatively integrates dynamic adjustment architecture with a five-dimensional sealing system, engineered for complex conditions. Precision-cast from QT500-7 ductile iron, its patented adjustable ring structure (\u00b150mm height range) achieves millimeter-perfect alignment with new\/old road surfaces. The 35mm ultra-thin cover\u2014reinforced with internal cross ribs\u2014maintains load capacity while solving space constraints in cramped chambers, revolutionizing urban road refinement. \u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-chong-lun-bang-gang-deo-875x500x35-co-the-dieu-chinh\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"875\u00d7500\u00d735 Ductile Iron Anti-Settlement Adjustable Manhole Cover - Ductile Cast Iron Anti-settlement Manhole Cover - Luzhongbao Metal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"In old-city renewal, road rehabilitation, and pipeline upgrade projects, chronic issues like height discrepancies, noise, and water seepage around manholes plague municipal management. Road Middle Treasure\u2019s 875\u00d7500\u00d735 anti-settlement adjustable cover innovatively integrates dynamic adjustment architecture with a five-dimensional sealing system, engineered for complex conditions. Precision-cast from QT500-7 ductile iron, its patented adjustable ring structure (\u00b150mm height range) achieves millimeter-perfect alignment with new\/old road surfaces. The 35mm ultra-thin cover\u2014reinforced with internal cross ribs\u2014maintains load capacity while solving space constraints in cramped chambers, revolutionizing urban road refinement. \u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-chong-lun-bang-gang-deo-875x500x35-co-the-dieu-chinh\/\" \/>\n<meta property=\"og:site_name\" content=\"Hubei Luzhongbao Metal Products Co., Ltd\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-01T05:59:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-01T05:59:27+00:00\" \/>\n<meta name=\"author\" content=\"luzhongbao\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Levi_Luzhongbao\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"luzhongbao\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/875x500x35-ductile-iron-anti-settlement-adjustable-manhole-cover\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/875x500x35-ductile-iron-anti-settlement-adjustable-manhole-cover\\\/\"},\"author\":{\"name\":\"luzhongbao\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#\\\/schema\\\/person\\\/e22c08e75b650a9d574f5aeabb3db2cf\"},\"headline\":\"875\u00d7500\u00d735 Ductile Iron Anti-Settlement Adjustable Manhole Cover\",\"datePublished\":\"2025-09-01T05:59:26+00:00\",\"dateModified\":\"2025-09-01T05:59:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/875x500x35-ductile-iron-anti-settlement-adjustable-manhole-cover\\\/\"},\"wordCount\":306,\"commentCount\":0,\"keywords\":[\"Ductile Cast Iron\",\"Luzhongbao\",\"Manhole Cover\"],\"articleSection\":[\"Anti-settlement Manhole Cover\",\"Ductile Cast Iron Products\",\"Products\",\"Square Manhole Cover\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/luzhongbao.com\\\/875x500x35-ductile-iron-anti-settlement-adjustable-manhole-cover\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/875x500x35-ductile-iron-anti-settlement-adjustable-manhole-cover\\\/\",\"url\":\"https:\\\/\\\/luzhongbao.com\\\/875x500x35-ductile-iron-anti-settlement-adjustable-manhole-cover\\\/\",\"name\":\"875\u00d7500\u00d735 Ductile Iron Anti-Settlement Adjustable Manhole Cover - Ductile Cast Iron Anti-settlement Manhole Cover - Luzhongbao Metal Products Co., Ltd\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#website\"},\"datePublished\":\"2025-09-01T05:59:26+00:00\",\"dateModified\":\"2025-09-01T05:59:27+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#\\\/schema\\\/person\\\/e22c08e75b650a9d574f5aeabb3db2cf\"},\"description\":\"In old-city renewal, road rehabilitation, and pipeline upgrade projects, chronic issues like height discrepancies, noise, and water seepage around manholes plague municipal management. 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