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\u0639\u0644\u0649 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0646\u0632\u0644\u0627\u0642 \u0645\u0648\u062b\u0648\u0642\u0629 \u062d\u062a\u0649 \u0641\u064a \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0645\u0645\u0637\u0631\u0629 \u0648\u0627\u0644\u062b\u0644\u062c\u064a\u0629. \u0639\u0646\u062f \u062a\u062d\u0644\u064a\u0644 \u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629\u060c \u064a\u064f\u0638\u0647\u0631 \u063a\u0637\u0627\u0621 LZBMetal \u0627\u0644\u0645\u0631\u0628\u0639 700\u00d7700\u00d750\u060c \u0628\u0641\u062a\u0631\u0629 \u0635\u064a\u0627\u0646\u0629 \u0637\u0648\u064a\u0644\u0629 \u0644\u0644\u063a\u0627\u064a\u0629 \u0648\u0645\u0639\u062f\u0644 \u0623\u0639\u0637\u0627\u0644 \u0645\u0646\u062e\u0641\u0636 \u062c\u062f\u064b\u0627\u060c \u0627\u0646\u062e\u0641\u0627\u0636\u064b\u0627 \u0645\u0644\u062d\u0648\u0638\u064b\u0627 \u0641\u064a \u0627\u0644\u062a\u0643\u0627\u0644\u064a\u0641 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a\u0629 \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0627\u0644\u0628\u062f\u0627\u0626\u0644 \u0627\u0644\u0631\u062e\u064a\u0635\u0629 \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0627\u0633\u062a\u0628\u062f\u0627\u0644\u064b\u0627 \u0648\u0625\u0635\u0644\u0627\u062d\u064b\u0627 \u0645\u062a\u0643\u0631\u0631\u064b\u0627.<\/p>","protected":false},"excerpt":{"rendered":"<p>LZBMetal Ductile Iron Square Manhole Cover 700\u00d7700\u00d750 59kg: The Optimized Choice Balancing Strength and Maintenance in Heavy-Duty Areas Compared with many similar products on the market, LZBMetal\u2018s advantage lies in achieving exceptional load redundancy and service life at 50mm thickness and 59kg self-weight through systematic engineering optimization. Backed by advanced casting equipment imported from Germany, [&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":[126,153,63],"class_list":["post-1754","post","type-post","status-publish","format-standard","hentry","category-ductile-cast-iron-products","category-products","category-square-manhole-cover","tag-ductile-cast-iron","tag-lzb-metal","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 700\u00d7700\u00d750, 59kg Products - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The 59kg self-weight is precisely calculated to provide sufficient structural safety while allowing safe opening by a single person using simple tools. The cover comes standard with integrated handles and mechanical lifting points, facilitating efficient operation for maintenance personnel. Optional captive hinges and special locks effectively prevent unauthorized theft. The surface features a deep anti-slip pattern with a dry friction coefficient \u22650.65, maintaining reliable slip resistance even in rainy and snowy conditions. Analyzed from a life-cycle cost perspective, the LZBMetal Square Cover 700\u00d7700\u00d750, with its exceptionally long maintenance-free period and extremely low failure rate, results in significantly lower total costs compared to cheap alternatives requiring frequent replacement and repair.\" \/>\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\u0639-4\/\" \/>\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 700\u00d7700\u00d750, 59kg Products - LZBMetal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"The 59kg self-weight is precisely calculated to provide sufficient structural safety while allowing safe opening by a single person using simple tools. The cover comes standard with integrated handles and mechanical lifting points, facilitating efficient operation for maintenance personnel. Optional captive hinges and special locks effectively prevent unauthorized theft. The surface features a deep anti-slip pattern with a dry friction coefficient \u22650.65, maintaining reliable slip resistance even in rainy and snowy conditions. Analyzed from a life-cycle cost perspective, the LZBMetal Square Cover 700\u00d7700\u00d750, with its exceptionally long maintenance-free period and extremely low failure rate, results in significantly lower total costs compared to cheap alternatives requiring frequent replacement and repair.\" \/>\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\u0639-4\/\" \/>\n<meta property=\"og:site_name\" content=\"LZBMetal Products Co., Ltd\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-06T10:36:00+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-700x700x50-59kg\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/\"},\"author\":{\"name\":\"luzhongbao\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"headline\":\"LZBMetal Ductile Iron Square Manhole Cover 700\u00d7700\u00d750, 59kg\",\"datePublished\":\"2026-05-06T10:36:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/\"},\"wordCount\":702,\"commentCount\":0,\"keywords\":[\"Ductile Cast Iron\",\"LZB Metal\",\"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-700x700x50-59kg\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/\",\"url\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/\",\"name\":\"LZBMetal Ductile Iron Square Manhole Cover 700\u00d7700\u00d750, 59kg Products - LZBMetal Products Co., Ltd\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#website\"},\"datePublished\":\"2026-05-06T10:36:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"description\":\"The 59kg self-weight is precisely calculated to provide sufficient structural safety while allowing safe opening by a single person using simple tools. 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