{"id":898,"date":"2025-07-18T07:28:56","date_gmt":"2025-07-18T07:28:56","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=898"},"modified":"2025-07-18T07:28:58","modified_gmt":"2025-07-18T07:28:58","slug":"luoi-ngang-bang-gang-deo-400x500x50","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/luoi-ngang-bang-gang-deo-400x500x50\/","title":{"rendered":"H\u1ec7 th\u1ed1ng v\u1ec9 l\u00f2 l\u1ed3ng b\u1eb1ng gang d\u1ebbo 400\u00d7500\u00d750"},"content":{"rendered":"<h3 class=\"wp-block-heading\">I. \u0110\u1ed5i m\u1edbi c\u1ea5u tr\u00fac v\u00e0 thi\u1ebft k\u1ebf ch\u1ee9c n\u0103ng &nbsp;<\/h3>\n\n\n\n<p>1. Ki\u1ebfn tr\u00fac tho\u00e1t n\u01b0\u1edbc t\u1ea7ng k\u00e9p &nbsp;<\/p>\n\n\n\n<p>Khung ngo\u00e0i c\u1ed1 \u0111\u1ecbnh*: \u0110\u01b0\u1ee3c nh\u00fang v\u00e0o n\u1ec1n b\u00ea t\u00f4ng b\u1eb1ng bu l\u00f4ng neo ch\u1ed1ng n\u00e2ng M16 (\u0111\u1ed9 s\u00e2u nh\u00fang \u2265300mm) \u1edf b\u1ed1n g\u00f3c \u0111\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 d\u1ecbch chuy\u1ec3n th\u1ee7y l\u1ef1c. &nbsp;<\/p>\n\n\n\n<p>L\u01b0\u1edbi b\u00ean trong c\u00f3 th\u1ec3 th\u00e1o r\u1eddi*: G\u1eafn ch\u1eb7t v\u00e0o khung th\u00f4ng qua ch\u1ed1t l\u00f2 xo b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00fac ch\u00ednh x\u00e1c, cho ph\u00e9p m\u1ed9t ng\u01b0\u1eddi th\u00e1o l\u1eafp nhanh ch\u00f3ng (b\u1ea3o tr\u00ec nhanh h\u01a1n g\u1ea5p 3 l\u1ea7n). &nbsp;<\/p>\n\n\n\n<p>2. Hi\u1ec7u su\u1ea5t th\u1ee7y l\u1ef1c hi\u1ec7u qu\u1ea3 cao &nbsp;<\/p>\n\n\n\n<p>K\u00eanh chuy\u1ec3n h\u01b0\u1edbng b\u1eadc thang*: C\u00e1c thanh ch\u1eafn so le 10\u00b0 t\u1ea1o ra d\u00f2ng ch\u1ea3y t\u0103ng t\u1ed1c xo\u00e1y, \u0111\u1ea1t c\u00f4ng su\u1ea5t 40L\/gi\u00e2y (c\u01b0\u1eddng \u0111\u1ed9 m\u01b0a d\u01b0\u1edbi 50mm\/gi\u1edd). &nbsp;<\/p>\n\n\n\n<p>Gi\u1ecf \u0111\u1ef1ng r\u00e1c m\u1edf r\u1ed9ng*: L\u01b0\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 304 t\u0103ng th\u1ec3 t\u00edch th\u00eam 70% so v\u1edbi l\u01b0\u1edbi ti\u00eau chu\u1ea9n; l\u1ed7 12mm t\u1ed1i \u01b0u h\u00f3a l\u01b0u l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eafc ngh\u1ebdn. &nbsp;<\/p>\n\n\n\n<p>3. C\u00e1c t\u00ednh n\u0103ng an to\u00e0n n\u00e2ng cao &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf ch\u1ed1ng v\u1ea5p l\u00f5m*: L\u01b0\u1edbi b\u00ean trong n\u1eb1m s\u00e2u 5mm d\u01b0\u1edbi b\u1ec1 m\u1eb7t v\u1ec9a h\u00e8. &nbsp;<\/p>\n\n\n\n<p>L\u1ed7 th\u00f4ng h\u01a1i thu\u00f4n nh\u1ecdn*: Chi\u1ec1u r\u1ed9ng tr\u00ean 25mm\/d\u01b0\u1edbi 18mm gi\u00fap ng\u0103n ng\u1eeba gi\u00e0y cao g\u00f3t b\u1ecb k\u1eb9t. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">II. N\u0103m l\u1ee3i th\u1ebf c\u1ed1t l\u00f5i &nbsp;<\/h3>\n\n\n\n<p>1. L\u00e0m s\u1ea1ch trong 3 gi\u00e2y gi\u00fap lo\u1ea1i b\u1ecf t\u1eafc ngh\u1ebdn m\u1ee1 &nbsp;<\/p>\n\n\n\n<p>&nbsp;D\u00f9ng tay nh\u1ea5c v\u1ec9 n\u01b0\u1edbng b\u00ean trong \u0111\u1ec3 \u0111\u1ed5 m\u1ee1 th\u1eeba\/th\u1ee9c \u0103n th\u1eeba b\u1ecb k\u1eb9t ra ngo\u00e0i (nhanh h\u01a1n 10 l\u1ea7n so v\u1edbi v\u1ec9 n\u01b0\u1edbng th\u00f4ng th\u01b0\u1eddng). &nbsp;<\/p>\n\n\n\n<p>&nbsp;C\u00e1c l\u1ed7 th\u00f4ng thu\u00f4n nh\u1ecdn cho ph\u00e9p th\u00f4ng t\u1eafc t\u1ee9c th\u00ec b\u1eb1ng m\u00e1y r\u1eeda \u00e1p l\u1ef1c. &nbsp;<\/p>\n\n\n\n<p>2. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i tr\u1ecdng 8 t\u1ea5n khi va ch\u1ea1m v\u1edbi b\u00e1nh xe &nbsp;<\/p>\n\n\n\n<p>&nbsp;D\u1ea7m ngang + gi\u1eb1ng ch\u00e9o ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng xe t\u1ea3i nh\u1ecf. &nbsp;<\/p>\n\n\n\n<p>&nbsp;Gang d\u1ebbo u\u1ed1n cong (kh\u00f4ng b\u1ecb g\u00e3y) khi qu\u00e1 t\u1ea3i \u0111\u1ec3 tr\u00e1nh b\u1ecb s\u1eadp \u0111\u1ed9t ng\u1ed9t. &nbsp;<\/p>\n\n\n\n<p>3. Ch\u1ed1ng tr\u1ed9m v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u00eam \u00e1i &nbsp;<\/p>\n\n\n\n<p>&nbsp;L\u01b0\u1edbi b\u00ean trong 18kg c\u00f3 gi\u00e1 tr\u1ecb ph\u1ebf li\u1ec7u kh\u00f4ng \u0111\u00e1ng k\u1ec3 (t\u1ef7 l\u1ec7 tr\u1ed9m c\u1eafp g\u1ea7n nh\u01b0 b\u1eb1ng kh\u00f4ng). &nbsp;<\/p>\n\n\n\n<p>&nbsp;Ph\u1edbt cao su ch\u1ed1ng d\u1ea7u gi\u00fap gi\u1ea3m ti\u1ebfng \u1ed3n giao th\u00f4ng xu\u1ed1ng \u226440dB (y\u00ean t\u0129nh nh\u01b0 th\u01b0 vi\u1ec7n). &nbsp;<\/p>\n\n\n\n<p>4. Vua \u0102n M\u00f2n \u0110\u00e1nh B\u1ea1i Axit\/D\u1ea7u\/Mu\u1ed1i &nbsp;<\/p>\n\n\n\n<p>&nbsp;L\u1edbp ph\u1ee7 k\u1ebdm nh\u00fang n\u00f3ng + nh\u1ef1a \u0111\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i r\u00e1c th\u1ea3i nh\u00e0 b\u1ebfp, ch\u1ea5t ch\u1ed1ng \u0111\u00f3ng b\u0103ng v\u00e0 n\u01b0\u1edbc m\u1eb7n trong m\u1ed9t th\u1eadp k\u1ef7. &nbsp;<\/p>\n\n\n\n<p>&nbsp;C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t g\u1ea5p 3 l\u1ea7n so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 nh\u01b0ng gi\u00e1 th\u00e0nh ch\u1ec9 b\u1eb1ng m\u1ed9t n\u1eeda. &nbsp;<\/p>\n\n\n\n<p>5. Ch\u1ed1ng tr\u01b0\u1ee3t v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi xe l\u0103n &nbsp;<\/p>\n\n\n\n<p>&nbsp;\u0110inh ch\u1ed1ng tr\u01b0\u1ee3t 2mm t\u0103ng \u0111\u1ed9 b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t \u01b0\u1edbt th\u00eam 40%. &nbsp;<\/p>\n\n\n\n<p>&nbsp;\u0110\u1ed9 ch\u00eanh l\u1ec7ch gi\u1eefa khung v\u00e0 l\u01b0\u1edbi \u22641mm \u0111\u1ea3m b\u1ea3o xe l\u0103n di chuy\u1ec3n \u00eam \u00e1i. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">III. Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a k\u1ef9 thu\u1eadt &nbsp;<\/h3>\n\n\n\n<p>1. \u0110\u1ed9 b\u1ec1n t\u1ea3i tr\u1ecdng \u0111\u1ed9ng &nbsp;<\/p>\n\n\n\n<p>&nbsp;Ch\u1ecbu \u0111\u01b0\u1ee3c 300.000 chu k\u1ef3 \u1edf t\u1ea3i tr\u1ecdng 15kN (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 10 n\u0103m l\u01b0u l\u01b0\u1ee3ng xe nh\u1ecf) v\u1edbi \u0111\u1ed9 bi\u1ebfn d\u1ea1ng \u22640,08mm. &nbsp;<\/p>\n\n\n\n<p>2. Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3ng b\u0103ng -30\u00b0C &nbsp;<\/p>\n\n\n\n<p>&nbsp;C\u00e1c m\u1ed1i n\u1ed1i gi\u00e3n n\u1edf khung h\u1ea5p th\u1ee5 \u1ee9ng su\u1ea5t \u0111\u00f3ng b\u0103ng-tan b\u0103ng. &nbsp;<\/p>\n\n\n\n<p>&nbsp;Ch\u1ed1t \u0111\u00e0n h\u1ed3i t\u1ef1 \u0111\u1ed9ng b\u00f9 tr\u1eeb bi\u1ebfn d\u1ea1ng nhi\u1ec7t. &nbsp;<\/p>\n\n\n\n<p>3. Kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec v\u00e0 ch\u1ed1ng tr\u1ed9m &nbsp;<\/p>\n\n\n\n<p>&nbsp;Kh\u00f3a l\u1ee5c gi\u00e1c t\u00edch h\u1ee3p kh\u00f4ng chu\u1ea9n (ch\u1ed1ng tr\u1ed9m 200%). &nbsp;<\/p>\n\n\n\n<p>&nbsp;\u1ed0ng l\u00f3t b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 t\u1ef1 b\u00f4i tr\u01a1n gi\u00fap lo\u1ea1i b\u1ecf d\u1ea7u m\u1ee1 (60% c\u00f3 chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n so v\u1edbi l\u01b0\u1edbi polyme). &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">IV. C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh &nbsp;<\/h3>\n\n\n\n<p>- C\u00e1c \u0111i\u1ec3m tho\u00e1t n\u01b0\u1edbc c\u00f3 t\u1ea3i tr\u1ecdng cao: \u0110\u01b0\u1eddng l\u00e1i xe v\u00e0o nh\u00e0 \u1edf, h\u1ed1 ga b\u00e3i \u0111\u1eadu xe, c\u00e1c l\u1ed1i v\u00e0o \u0111\u01b0\u1eddng th\u1ea5p. &nbsp;<\/p>\n\n\n\n<p>- M\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t: C\u1ed1ng tho\u00e1t n\u01b0\u1edbc m\u01b0a c\u1ee7a nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, khu v\u1ef1c ph\u00e1 b\u0103ng. &nbsp;<\/p>\n\n\n\n<p>- Khu v\u1ef1c nh\u1ea1y c\u1ea3m v\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9: \u0110\u01b0\u1eddng \u0111\u00e1 l\u1ecbch s\u1eed, h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc \u1ea9n trong qu\u1ea3ng tr\u01b0\u1eddng. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1eddi k\u1ebft: Th\u00e0nh ph\u1ea7n nh\u1ecf, t\u00e1c \u0111\u1ed9ng l\u1edbn \u0111\u1ebfn c\u1ed9ng \u0111\u1ed3ng &nbsp;<\/h3>\n\n\n\n<p>H\u01a1n hai th\u1eadp k\u1ef7 trong ng\u00e0nh k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng, t\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn nh\u1eefng song ch\u1eafn b\u1eb1ng gang d\u1ebbo 400\u00d7500\u00d750 n\u00e0y bi\u1ebfn nh\u1eefng con h\u1ebbm tr\u01a1n tr\u01b0\u1ee3t th\u00e0nh nh\u1eefng l\u1ed1i \u0111i s\u1ea1ch s\u1ebd v\u00e0 bi\u1ebfn nh\u1eefng g\u00f3c ph\u1ed1 d\u1ec5 ng\u1eadp l\u1ee5t th\u00e0nh nh\u1eefng l\u1ed1i \u0111i kh\u00f4 r\u00e1o. C\u1ea5u tr\u00fac &quot;m\u1eb9 v\u00e0 con&quot; c\u1ee7a ch\u00fang th\u1ec3 hi\u1ec7n s\u1ef1 kh\u00e9o l\u00e9o c\u1ee7a \u0111\u00f4 th\u1ecb - khung v\u1eefng ch\u1eafc b\u1ea3o v\u1ec7 n\u1ec1n \u0111\u01b0\u1eddng trong khi song ch\u1eafn b\u00ean trong linh ho\u1ea1t ch\u1ed1ng l\u1ea1i nh\u1eefng ch\u01b0\u1edbng ng\u1ea1i v\u1eadt. L\u1ea7n t\u1edbi khi b\u1ea1n \u0111i ngang qua m\u1ed9t qu\u1ea7y h\u00e0ng th\u1ef1c ph\u1ea9m, h\u00e3y nh\u00ecn v\u00e0o nh\u1eefng l\u01b0\u1edbi ch\u1eafn khi\u00eam t\u1ed1n d\u01b0\u1edbi ch\u00e2n b\u1ea1n: ch\u00fang \u00e2m th\u1ea7m x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111\u00f4 th\u1ecb c\u1ea3 ng\u00e0y l\u1eabn \u0111\u00eam, gi\u1eef cho \u0111\u01b0\u1eddng ph\u1ed1 c\u1ee7a ch\u00fang ta lu\u00f4n s\u1ea1ch s\u1ebd v\u00e0 b\u1ec1n b\u1ec9.<\/p>","protected":false},"excerpt":{"rendered":"<p>I. C\u1ea3i ti\u1ebfn v\u1ec1 k\u1ebft c\u1ea5u &amp; Thi\u1ebft k\u1ebf ch\u1ee9c n\u0103ng 1. Ki\u1ebfn tr\u00fac tho\u00e1t n\u01b0\u1edbc th\u00e1c hai l\u1edbp Khung ngo\u00e0i c\u1ed1 \u0111\u1ecbnh*: \u0110\u01b0\u1ee3c g\u1eafn ch\u1eb7t v\u00e0o m\u00f3ng b\u00ea t\u00f4ng v\u1edbi bu l\u00f4ng neo ch\u1ed1ng n\u00e2ng M16 (\u0111\u1ed9 s\u00e2u ch\u00f4n \u2265300mm) \u1edf b\u1ed1n g\u00f3c \u0111\u1ec3 ch\u1ed1ng d\u1ecbch chuy\u1ec3n th\u1ee7y l\u1ef1c. L\u01b0\u1edbi b\u00ean trong c\u00f3 th\u1ec3 th\u00e1o r\u1eddi*: G\u1eafn khung b\u1eb1ng ch\u1ed1t l\u00f2 xo th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00fac ch\u00ednh x\u00e1c, cho ph\u00e9p th\u00e1o l\u1eafp nhanh ch\u00f3ng ch\u1ec9 v\u1edbi m\u1ed9t ng\u01b0\u1eddi (b\u1ea3o tr\u00ec nhanh g\u1ea5p 3 l\u1ea7n). [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,2,43,47],"tags":[126,119],"class_list":["post-898","post","type-post","status-publish","format-standard","hentry","category-ductile-cast-iron-products","category-products","category-square-manhole-cover","category-transverse-grate","tag-ductile-cast-iron","tag-transverse-grate"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>400\u00d7500\u00d750 Ductile Cast Iron\u00a0Nested Grate System Ductile Cast Iron Manhole Cover - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"400\u00d7500\u00d750 Ductile Cast Iron\u00a0Nested Grate System Revolutionizes Drainage Maintenance with Split Quick-Release Structure,Leveraging QT500-7 Ductile Cast Iron\u2019s high toughness and nano-engineered hydrophobic technology, this system enables all-weather efficient drainage. Its stepped diversion channels boost water flow capacity by 40%, while the expanded debris basket extends cleaning cycles to 3 months. A triple anti-corrosion system ensures 25-year service life without replacement. Crucially, its frost-heave-resistant design and self-cleaning capability deliver zero-maintenance operation in extreme cold and high-pollution environments\u2014making it the strategic choice for modern municipal drainage systems prioritizing longevity, economy, and safety. \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:\/\/lzbmetal.com\/vi\/luoi-ngang-bang-gang-deo-400x500x50\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"400\u00d7500\u00d750 Ductile Cast Iron\u00a0Nested Grate System Ductile Cast Iron Manhole Cover - LZBMetal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"400\u00d7500\u00d750 Ductile Cast Iron\u00a0Nested Grate System Revolutionizes Drainage Maintenance with Split Quick-Release Structure,Leveraging QT500-7 Ductile Cast Iron\u2019s high toughness and nano-engineered hydrophobic technology, this system enables all-weather efficient drainage. Its stepped diversion channels boost water flow capacity by 40%, while the expanded debris basket extends cleaning cycles to 3 months. A triple anti-corrosion system ensures 25-year service life without replacement. 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