{"id":1839,"date":"2025-04-21T16:06:25","date_gmt":"2025-04-21T08:06:25","guid":{"rendered":"https:\/\/www.ductileironsuppliers.com\/?post_type=product&p=1839"},"modified":"2025-04-21T16:06:25","modified_gmt":"2025-04-21T08:06:25","slug":"class-k7-dn600-ductile-iron-pipe-suppliers","status":"publish","type":"product","link":"https:\/\/www.ductileironsuppliers.com\/ar\/product\/class-k7-dn600-ductile-iron-pipe-suppliers","title":{"rendered":"\u0645\u0648\u0631\u0650\u0651\u062f\u0648 \u0623\u0646\u0627\u0628\u064a\u0628 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 K7 DN600"},"content":{"rendered":"

The \u200cClass K7 DN600 ductile iron pipe<\/strong>\u200c (600mm diameter, 7-bar pressure rating) delivers exceptional strength (420 MPa tensile) and corrosion resistance for large-scale water and industrial systems.<\/p>\n

Application Scenarios<\/h2>\n

Municipal Water Distribution<\/strong>
Class K7 DN600 mains form the backbone of city and regional water networks, delivering steady flows with minimal leakage in systems requiring large diameters.<\/p>\n

Sewage & Wastewater<\/strong>
Its resistance to abrasive and chemically aggressive effluents makes Class K7 pipes ideal for sanitary and stormwater sewers, maintaining structural integrity under heavy solids\u2011laden flows.<\/p>\n

Industrial Process Lines<\/strong>
Power plants, manufacturing facilities and chemical plants leverage DN600 DI for raw\u2011water intake, cooling\u2011water loops and process pipelines, benefiting from high mechanical strength and corrosion resistance.<\/p>\n

Agricultural Irrigation<\/strong>
Large\u2011bore mains transport high\u2011volume irrigation flows across vast farmlands, with ductility that accommodates soil movement and thermal cycles without cracking.<\/p>\n

Service Life<\/h2>\n

Modern ductile iron mains routinely achieve service lives beyond 100 years under normal operating conditions, driven by robust cement\u2011mortar linings and durable external coatings. Internal linings of Portland or sulphate\u2011resistant cement, paired with bitumen or zinc\u2011aluminum exterior coatings, minimize corrosion and maintenance needs over decades.<\/p>\n

Installation & Connection<\/h2>\n

Joint Methods<\/h3>\n
    \n
  • \n

    Push\u2011On (Tyton\u00ae)<\/strong>: Simple, gasket\u2011sealed joint providing reliable, quick assembly\u2014ideal for standard buried installations.<\/p>\n<\/li>\n

  • \n

    Mechanical Joint<\/strong>: Bell, gland and bolt system offering restrained performance where thrust blocks are impractical.<\/p>\n<\/li>\n

  • \n

    Flange Joint<\/strong>: Full\u2011face sealing for above\u2011ground runs or sections requiring frequent disassembly.<\/p>\n<\/li>\n<\/ul>\n

    Trenching & Encasement<\/h3>\n

    Pipes rest on well\u2011graded granular bedding; backfill is placed in layers and compacted to prevent settlement. In corrosive soils, polyethylene encasement (Methods A\/B\/C) adds external corrosion protection.<\/p>\n

    International Standards<\/h2>\n
      \n
    • \n

      ISO\u00a02531 \/ EN\u00a0545\/598<\/strong> define materials, dimensions, tolerances, mechanical properties and lining\/coating requirements for DN80\u2013DN2600 pipes.<\/p>\n<\/li>\n

    • \n

      ANSI\/AWWA\u00a0C151\/A21.51<\/strong> covers 3\u2033\u201364\u2033 (80\u20131600 mm) DI pipes for potable, raw and wastewater, specifying casting, dimensions, coatings and joint types.<\/p>\n<\/li>\n

    • \n

      Certifications<\/strong>: Many producers hold ISO 9001, ISO 14001, NSF and WRAS approvals, ensuring consistent production quality and potability compliance.<\/p>\n<\/li>\n<\/ul>\n

      Price Comparison with Other Classes<\/h2>\n
      \n

       <\/p>\n

      \n\n\n\n\n\n\n\n
      Class<\/th>\nWall Thickness (mm)<\/th>\nPrice (USD\/ton)<\/th>\nApprox. Price (USD\/m)\u00b9<\/th>\n<\/tr>\n<\/thead>\n
      K7<\/strong><\/td>\n6.0<\/td>\n460 \u2013 500<\/td>\n60\u00a0\u2013\u00a075<\/td>\n<\/tr>\n
      K8<\/strong><\/td>\n6.8<\/td>\n480 \u2013 560<\/td>\n65\u00a0\u2013\u00a085<\/td>\n<\/tr>\n
      K9<\/strong><\/td>\n8.0\u00a0\u2013\u00a09.0<\/td>\n500 \u2013 600<\/td>\n70\u00a0\u2013\u00a0100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

      \u00b9 Based on average weight 150\u2013180 kg\/m.<\/p>\n

      Advantages<\/h2>\n
        \n
      • \n

        High Corrosion Resistance<\/strong>: Internal cement\u2011mortar lining and epoxy\/bitumen or zinc\u2011aluminum external coatings virtually eliminate corrosion.<\/p>\n<\/li>\n

      • \n

        Excellent Impact Strength<\/strong>: Tested per ANSI\/AWWA C151, DI pipes withstand water hammer, traffic loads and handling shocks.<\/p>\n<\/li>\n

      • \n

        Structural Flexibility<\/strong>: Ductility allows pipes to flex under soil shifts and seismic activity without fracturing.<\/p>\n<\/li>\n

      • \n

        Sustainability<\/strong>: Made with high recycled\u2011content iron and fully recyclable at end\u2011of\u2011life, supporting circular\u2011economy goals.<\/p>\n<\/li>\n<\/ul>\n

        FAQs<\/h2>\n
          \n
        1. \n

          What does DN600 mean?<\/strong>
          It denotes a nominal diameter of 600 mm; actual internal diameter may vary by class and lining.<\/p>\n<\/li>\n

        2. \n

          What is Class K7?<\/strong>
          A pressure rating of 7 bar working pressure with minimum tensile strength of 420 MPa and \u2265 10% elongation at break.<\/p>\n<\/li>\n

        3. \n

          How long will the pipe last?<\/strong>
          Modern DI mains exceed 100 years of service in potable and raw water applications.<\/p>\n<\/li>\n

        4. \n

          What joint options are available?<\/strong>
          Push\u2011on (Tyton\u00ae), mechanical and flange joints\u2014selected based on thrust, maintenance and installation needs.<\/p>\n<\/li>\n

        5. \n

          Is ductile iron pipe environmentally friendly?<\/strong>
          Yes\u2014high recycled content, energy savings during service and 100% recyclability at end\u2011of\u2011life.<\/p>\n<\/li>\n<\/ol>\n

          Case Studies<\/h2>\n
            \n
          • \n

            Eastern Terrace Watermain Upgrade (New\u00a0Zealand)<\/strong>: Installation of 2 455 m of DN600 DI mains improved supply reliability and reduced leakage rates for a suburban network.<\/p>\n<\/li>\n

          • \n

            Global Utility Projects (DIPRA)<\/strong>: Case studies from cities worldwide demonstrate DI mains\u2019 ease of installation, low maintenance and predictable lifecycle costs<\/p>\n<\/li>\n<\/ul>\n

            ductile iron pipe dimensions<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
            <\/td>\n<\/td>\n<\/td>\nPipe body weight \uff08kg\/m)<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
            (Inside Diameter)<\/td>\n(Outside Diameter)<\/td>\nSocket Weight<\/td>\nK8<\/td>\nK9<\/td>\nK10<\/td>\nC class<\/td>\nTotal weight of Active Length=6M (kg)<\/td>\nTotal weight of Active Length=5.7M (kg)<\/td>\n<\/tr>\n
            DN(mm)<\/td>\nOD(mm)<\/td>\n\u2248 kg<\/td>\nClass<\/td>\nkg\/m<\/td>\nK8<\/td>\nK9<\/td>\nK10<\/td>\nC class<\/td>\nK8<\/td>\nK9<\/td>\nK10<\/td>\nC class<\/td>\n<\/tr>\n
            80<\/td>\n98<\/td>\n3.40<\/td>\n12.20<\/td>\n12.20<\/td>\n12.20<\/td>\nC40<\/td>\n9.10<\/td>\n77.00<\/td>\n77.00<\/td>\n77.00<\/td>\n58.00<\/td>\n73.00<\/td>\n73.00<\/td>\n73.00<\/td>\n55.00<\/td>\n<\/tr>\n
            100<\/td>\n118<\/td>\n4.30<\/td>\n14.90<\/td>\n15.10<\/td>\n15.10<\/td>\nC40<\/td>\n11.12<\/td>\n93.70<\/td>\n95.00<\/td>\n95.00<\/td>\n71.00<\/td>\n90.00<\/td>\n91.00<\/td>\n90.00<\/td>\n68.00<\/td>\n<\/tr>\n
            125<\/td>\n144<\/td>\n5.70<\/td>\n<\/td>\n18.90<\/td>\n<\/td>\nC40<\/td>\n<\/td>\n<\/td>\n119.00<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
            150<\/td>\n170<\/td>\n7.10<\/td>\n21.80<\/td>\n22.80<\/td>\n22.80<\/td>\nC40<\/td>\n16.48<\/td>\n138.00<\/td>\n144.00<\/td>\n144.00<\/td>\n106.00<\/td>\n132.00<\/td>\n138.00<\/td>\n137.00<\/td>\n101.00<\/td>\n<\/tr>\n
            200<\/td>\n222<\/td>\n10.30<\/td>\n28.70<\/td>\n30.60<\/td>\n30.60<\/td>\nC40<\/td>\n22.62<\/td>\n183.00<\/td>\n194.00<\/td>\n194.00<\/td>\n146.00<\/td>\n174.00<\/td>\n185.00<\/td>\n185.00<\/td>\n139.00<\/td>\n<\/tr>\n
            250<\/td>\n274<\/td>\n14.20<\/td>\n35.60<\/td>\n40.20<\/td>\n44.30<\/td>\nC40<\/td>\n32.63<\/td>\n228.00<\/td>\n255.00<\/td>\n280.00<\/td>\n210.00<\/td>\n218.00<\/td>\n244.00<\/td>\n267.00<\/td>\n200.00<\/td>\n<\/tr>\n
            300<\/td>\n326<\/td>\n18.90<\/td>\n45.30<\/td>\n50.80<\/td>\n56.30<\/td>\nC30<\/td>\n43.90<\/td>\n290.00<\/td>\n323.00<\/td>\n357.00<\/td>\n282.00<\/td>\n278.00<\/td>\n309.00<\/td>\n340.00<\/td>\n269.00<\/td>\n<\/tr>\n
            350<\/td>\n378<\/td>\n23.70<\/td>\n55.90<\/td>\n63.20<\/td>\n69.60<\/td>\nC30<\/td>\n51.88<\/td>\n359.00<\/td>\n403.00<\/td>\n441.00<\/td>\n335.00<\/td>\n343.00<\/td>\n384.00<\/td>\n420.00<\/td>\n319.00<\/td>\n<\/tr>\n
            400<\/td>\n429<\/td>\n29.50<\/td>\n67.30<\/td>\n75.50<\/td>\n83.70<\/td>\nC30<\/td>\n60.78<\/td>\n433.00<\/td>\n482.00<\/td>\n532.00<\/td>\n394.00<\/td>\n414.00<\/td>\n460.00<\/td>\n506.00<\/td>\n376.00<\/td>\n<\/tr>\n
            450<\/td>\n480<\/td>\n38.30<\/td>\n80.00<\/td>\n89.30<\/td>\n99.00<\/td>\nC30<\/td>\n73.30<\/td>\n515.00<\/td>\n575.00<\/td>\n632.00<\/td>\n472.00<\/td>\n492.00<\/td>\n550.00<\/td>\n597.00<\/td>\n450.00<\/td>\n<\/tr>\n
            500<\/td>\n532<\/td>\n42.80<\/td>\n92.80<\/td>\n104.30<\/td>\n115.60<\/td>\nC30<\/td>\n87.20<\/td>\n600.00<\/td>\n669.00<\/td>\n736.00<\/td>\n566.00<\/td>\n572.00<\/td>\n638.00<\/td>\n702.00<\/td>\n540.00<\/td>\n<\/tr>\n
            600<\/td>\n635<\/td>\n59.30<\/td>\n122.00<\/td>\n137.30<\/td>\n152.00<\/td>\nC30<\/td>\n120.62<\/td>\n791.00<\/td>\n882.00<\/td>\n971.00<\/td>\n783.00<\/td>\n755.00<\/td>\n842.00<\/td>\n926.00<\/td>\n747.00<\/td>\n<\/tr>\n
            700<\/td>\n738<\/td>\n79.10<\/td>\n155.00<\/td>\n173.90<\/td>\n193.00<\/td>\nC25<\/td>\n142.15<\/td>\n1009.00<\/td>\n1123.00<\/td>\n1237.00<\/td>\n932.00<\/td>\n963.00<\/td>\n1071.00<\/td>\n1179.00<\/td>\n889.00<\/td>\n<\/tr>\n
            800<\/td>\n842<\/td>\n102.60<\/td>\n192.00<\/td>\n215.20<\/td>\n239.00<\/td>\nC25<\/td>\n177.07<\/td>\n1255.00<\/td>\n1394.00<\/td>\n1537.00<\/td>\n1165.00<\/td>\n1197.00<\/td>\n1330.00<\/td>\n1465.00<\/td>\n1112.00<\/td>\n<\/tr>\n
            900<\/td>\n945<\/td>\n129.60<\/td>\n232.00<\/td>\n260.20<\/td>\n289.00<\/td>\nC25<\/td>\n197.68<\/td>\n1521.00<\/td>\n1691.00<\/td>\n1863.00<\/td>\n1446.00<\/td>\n1452.00<\/td>\n1613.00<\/td>\n1777.00<\/td>\n1257.00<\/td>\n<\/tr>\n
            1000<\/td>\n1048<\/td>\n161.30<\/td>\n275.00<\/td>\n309.30<\/td>\n343.20<\/td>\nC25<\/td>\n266.28<\/td>\n1811.00<\/td>\n2017.00<\/td>\n2221.00<\/td>\n1759.00<\/td>\n1729.00<\/td>\n1925.00<\/td>\n2118.00<\/td>\n1679.00<\/td>\n<\/tr>\n
            1100<\/td>\n1152<\/td>\n194.70<\/td>\n<\/td>\n362.80<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n2372.00<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
            1200<\/td>\n1255<\/td>\n237.70<\/td>\n374.00<\/td>\n420.10<\/td>\n466.10<\/td>\nC25<\/td>\n373.88<\/td>\n2482.00<\/td>\n2758.00<\/td>\n3034.00<\/td>\n2481.00<\/td>\n2370.00<\/td>\n2632.00<\/td>\n2894.00<\/td>\n2369.00<\/td>\n<\/tr>\n
            1400<\/td>\n1462<\/td>\n279.30<\/td>\n<\/td>\n547.20<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n3563.00<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            ductile iron pipe\u00a0Mechanical property<\/h2>\n\n\n\n\n\n\n\n\n\n
            Mechanical Property<\/td>\n<\/tr>\n
            Nominal Diameter<\/td>\nHydraulic test<\/td>\nTensile strength<\/td>\nElogation<\/td>\nYield strength<\/td>\nBending strength<\/td>\nBrinell hardness<\/td>\nThickness of cement lining<\/td>\n<\/tr>\n
            DN(MM)<\/td>\nMpa<\/td>\nMpa<\/td>\n%<\/td>\nMpa<\/td>\nMpa<\/td>\nHB<\/td>\nmm<\/td>\n<\/tr>\n
            DN80-DN300<\/td>\n5<\/td>\n\u2265420<\/td>\n\u226510<\/td>\n\u2265300<\/td>\n\u2265590<\/td>\n\u2264230<\/td>\n3<\/td>\n<\/tr>\n
            DN350-DN600<\/td>\n4<\/td>\n\u2265420<\/td>\n\u226510<\/td>\n\u2265300<\/td>\n\u2265590<\/td>\n\u2264230<\/td>\n5<\/td>\n<\/tr>\n
            DN700-DN1000<\/td>\n3.2<\/td>\n\u2265420<\/td>\n\u226510<\/td>\n\u2265300<\/td>\n\u2265590<\/td>\n\u2264230<\/td>\n6<\/td>\n<\/tr>\n
            DN1100-DN1600<\/td>\n2.5<\/td>\n\u2265420<\/td>\n\u22657<\/td>\n\u2265300<\/td>\n\u2265590<\/td>\n\u2264230<\/td>\n\u2026..<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":1840,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"tags":[],"products":[10],"class_list":["post-1839","product","type-product","status-publish","has-post-thumbnail","hentry","products-ductile-iron-pipes"],"acf":[],"yoast_head":"\nClass K7 DN600 ductile iron pipe suppliers - 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