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&quot;\u062a\u0645\u064a\u0632\u064b\u0627 \u0645\u062a\u0633\u0642\u064b\u0627 \u0641\u064a \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a&quot;\u060c \u0645\u0645\u0627 \u064a\u0636\u0645\u0646 \u0623\u0646 \u0643\u0644 \u063a\u0637\u0627\u0621 \u0628\u0648\u0632\u0646 16.5 \u0643\u062c\u0645 \u064a\u0642\u062f\u0645 \u0623\u062f\u0627\u0621\u064b \u0645\u062a\u0637\u0627\u0628\u0642\u064b\u0627.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u062e\u0627\u0645\u0633\u0627\u064b: \u0645\u064a\u0632\u0629 &quot;\u0627\u0644\u0645\u0644\u0627\u0621\u0645\u0629 \u0627\u0644\u062f\u0642\u064a\u0642\u0629&quot; \u0641\u064a \u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/h3>\n\n\n\n<p>\u0635\u064f\u0645\u0645 \u063a\u0637\u0627\u0621 LZBMetal \u0627\u0644\u0645\u0631\u0628\u0639 \u0628\u0623\u0628\u0639\u0627\u062f 400\u00d7600\u00d740 \u0645\u0645 \u0628\u0648\u0632\u0646 16.5 \u0643\u062c\u0645\u060c \u0644\u064a\u064f\u0644\u0628\u064a \u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0630\u0627\u062a \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062e\u0641\u064a\u0641\u0629 \u0643\u0627\u0644\u0623\u0631\u0635\u0641\u0629 \u0648\u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0645\u0624\u062f\u064a\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u0646\u0627\u0632\u0644. \u0639\u0644\u0649 \u0639\u0643\u0633 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0627\u0644\u062a\u064a \u064a\u062a\u0648\u0627\u0641\u0642 \u0641\u064a\u0647\u0627 \u0633\u064f\u0645\u0643 40 \u0645\u0645 \u0639\u0627\u062f\u0629\u064b \u0645\u0639 \u062a\u0635\u0646\u064a\u0641\u0627\u062a B125 (12.5 \u0637\u0646) \u0623\u0648 C250 (25 \u0637\u0646)\u060c \u064a\u064f\u062d\u0642\u0642 LZBMetal \u0642\u062f\u0631\u0629 \u062a\u062d\u0645\u0644 \u0623\u0639\u0644\u0649 \u0628\u0646\u0641\u0633 \u0627\u0644\u0633\u064f\u0645\u0643 \u0628\u0641\u0636\u0644 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0627\u0644\u0647\u064a\u0643\u0644\u060c \u0645\u0627 \u064a\u064f\u063a\u0637\u064a \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u062a\u062a\u0631\u0627\u0648\u062d \u0645\u0646 B125 \u0625\u0644\u0649 C250 \u0648\u0645\u0627 \u0641\u0648\u0642\u060c \u0645\u064f\u0648\u0641\u0631\u064b\u0627 \u0644\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u064a\u0646 \u0645\u0631\u0648\u0646\u0629 \u0623\u0643\u0628\u0631 \u0641\u064a \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631. \u0633\u0648\u0627\u0621\u064b \u0644\u0644\u0641\u062d\u0635 \u0627\u0644\u062f\u0648\u0631\u064a \u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0635\u0631\u0641 \u0627\u0644\u0635\u062d\u064a \u0627\u0644\u0628\u0644\u062f\u064a\u0629\u060c \u0623\u0648 \u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629\u060c \u0623\u0648 \u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0627\u0644\u0636\u0648\u0626\u064a\u0629\u060c \u064a\u064f\u0624\u062f\u064a \u0647\u0630\u0627 \u0627\u0644\u0645\u0646\u062a\u062c \u0645\u0647\u0645\u062a\u0647 \u0641\u064a \u0645\u062c\u0627\u0644 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0628\u0643\u0641\u0627\u0621\u0629 \u0639\u0627\u0644\u064a\u0629 \u0628\u0641\u0636\u0644 \u062a\u0635\u0645\u064a\u0645\u0647 \u062e\u0641\u064a\u0641 \u0627\u0644\u0648\u0632\u0646 \u0648\u0627\u0644\u0645\u062a\u064a\u0646.<\/p>","protected":false},"excerpt":{"rendered":"<p>LZBMetal Ductile Iron Square Manhole Cover 400\u00d7600\u00d740, 16.5kg: An Engineering Benchmark of Lightweight Design and Superior Performance. In modern urban drainage and pipeline inspection systems, the 400mm\u00d7600mm square manhole cover is one of the most common foundation components, widely used in sidewalks, non-motorized lanes, residential access roads, and green belts. For such \u201cstandard\u201d covers, users [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,2,43],"tags":[126,154,63],"class_list":["post-1735","post","type-post","status-publish","format-standard","hentry","category-ductile-cast-iron-products","category-products","category-square-manhole-cover","tag-ductile-cast-iron","tag-lzbmetal","tag-manhole-cover"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LZBMetal Ductile Iron Square Manhole Cover 400\u00d7600\u00d740, 16.5kg Products - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The 16.5kg weight design of the LZBMetal 400\u00d7600\u00d740 square cover precisely targets the maintenance convenience needs of light-load areas such as sidewalks and residential access roads. Unlike common products where a 40mm thickness typically corresponds only to B125 (12.5t) or C250 (25t) ratings, LZBMetal achieves higher load capacity at the same thickness through material enhancement and structural optimization, covering application scenarios from B125 to C250 and beyond, offering users greater selection flexibility. Whether for routine inspection of municipal drainage, power cables, or communication fiber optics, this product reliably fulfills its safety mission with its lightweight yet robust design.\" \/>\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\/ar\/\u063a\u0637\u0627\u0621-\u0641\u062a\u062d\u0629-\u062a\u0641\u062a\u064a\u0634-\u0645\u0631\u0628\u0639-\u0645\u0646-\u0627\u0644\u062d\u062f\u064a\u062f-\u0627\u0644\u0645\u0637\u0627\u0648\u0639\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LZBMetal Ductile Iron Square Manhole Cover 400\u00d7600\u00d740, 16.5kg Products - LZBMetal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"The 16.5kg weight design of the LZBMetal 400\u00d7600\u00d740 square cover precisely targets the maintenance convenience needs of light-load areas such as sidewalks and residential access roads. Unlike common products where a 40mm thickness typically corresponds only to B125 (12.5t) or C250 (25t) ratings, LZBMetal achieves higher load capacity at the same thickness through material enhancement and structural optimization, covering application scenarios from B125 to C250 and beyond, offering users greater selection flexibility. Whether for routine inspection of municipal drainage, power cables, or communication fiber optics, this product reliably fulfills its safety mission with its lightweight yet robust design.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lzbmetal.com\/ar\/\u063a\u0637\u0627\u0621-\u0641\u062a\u062d\u0629-\u062a\u0641\u062a\u064a\u0634-\u0645\u0631\u0628\u0639-\u0645\u0646-\u0627\u0644\u062d\u062f\u064a\u062f-\u0627\u0644\u0645\u0637\u0627\u0648\u0639\/\" \/>\n<meta property=\"og:site_name\" content=\"LZBMetal Products Co., Ltd\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-22T10:35:00+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=\"\u0643\u064f\u062a\u0628 \u0628\u0648\u0627\u0633\u0637\u0629\" \/>\n\t<meta name=\"twitter:data1\" content=\"luzhongbao\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u062f\u0642\u0627\u0626\u0642\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-400x600x40-16-5kg\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-400x600x40-16-5kg\\\/\"},\"author\":{\"name\":\"luzhongbao\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"headline\":\"LZBMetal Ductile Iron Square Manhole Cover 400\u00d7600\u00d740, 16.5kg\",\"datePublished\":\"2026-04-22T10:35:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-400x600x40-16-5kg\\\/\"},\"wordCount\":736,\"commentCount\":0,\"keywords\":[\"Ductile Cast Iron\",\"LZBMetal\",\"Manhole Cover\"],\"articleSection\":[\"Ductile Cast Iron Products\",\"Products\",\"Square Manhole Cover\"],\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-400x600x40-16-5kg\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-400x600x40-16-5kg\\\/\",\"url\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-400x600x40-16-5kg\\\/\",\"name\":\"LZBMetal Ductile Iron Square Manhole Cover 400\u00d7600\u00d740, 16.5kg Products - LZBMetal Products Co., Ltd\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#website\"},\"datePublished\":\"2026-04-22T10:35:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"description\":\"The 16.5kg weight design of the LZBMetal 400\u00d7600\u00d740 square cover precisely targets the maintenance convenience needs of light-load areas such as sidewalks and residential access roads. 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