{"id":2026,"date":"2025-04-24T17:02:03","date_gmt":"2025-04-24T09:02:03","guid":{"rendered":"https:\/\/www.ductileironsuppliers.com\/?post_type=product&p=2026"},"modified":"2025-04-24T17:03:38","modified_gmt":"2025-04-24T09:03:38","slug":"class-54-ductile-iron-pipe-suppliers","status":"publish","type":"product","link":"https:\/\/www.ductileironsuppliers.com\/ar\/product\/class-54-ductile-iron-pipe-suppliers","title":{"rendered":"\u0645\u0648\u0631\u062f\u0648 \u0623\u0646\u0627\u0628\u064a\u0628 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0641\u0626\u0629 54"},"content":{"rendered":"

Class 54 ductile iron pipe is a special thickness class<\/strong> offering a nominal wall thickness between Classes 53 and 55 across diameters from 3\u2033 to 64\u2033, providing enhanced strength, stiffness and surge resistance for demanding water, wastewater, irrigation and industrial applications. Like other ductile iron pipes, it features centrifugally applied cement-mortar lining<\/strong> and optional polyethylene sleeving<\/strong> to deliver an expected service life of over 100 years<\/strong> under normal burial conditions. Installation is streamlined via push-on, mechanical, restrained and flanged joints<\/strong>, while compliance with ANSI\/AWWA C150\/C151, C104\/C105, C110\/C111<\/strong> and ISO 2531\/EN 545\/EN 598<\/strong> standards ensures global interoperability. Compared to Classes 51<\/a>, 52<\/a>, 53<\/a>, 150<\/a>, 250<\/a> and 350<\/a>, Class 54 pipes strike a balance of wall thickness and pressure capability suitable for mid- to high-pressure mains. Clear FAQs and real-world case studies\u2014from century-old mains in Charleston to modern life-cycle cost analyses\u2014underscore its reliability and cost-effectiveness.<\/p>\n

Application Scenarios<\/h2>\n

Class 54 ductile iron pipe excels in:<\/p>\n

    \n
  • \n

    High-pressure transmission mains<\/strong> (14\u2033+): its extra thickness meets or exceeds municipal minimums for large-diameter loops and feeders.<\/p>\n<\/li>\n

  • \n

    Potable water distribution<\/strong>: push-on and restrained joints ensure leak-tight performance under dynamic loads in urban networks.<\/p>\n<\/li>\n

  • \n

    Wastewater and sewer force mains<\/strong>: cement-mortar lining resists tuberculation, reducing cleaning and rehabilitation cycles.<\/p>\n<\/li>\n

  • \n

    Irrigation systems<\/strong>: smooth internal lining (Hazen\u2013Williams C\u2248140) lowers friction losses, cutting pumping energy costs versus alternatives.<\/p>\n<\/li>\n

  • \n

    Industrial and plant piping<\/strong>: flanged connections link directly to pumps and valves in power, chemical and process facilities.<\/p>\n<\/li>\n<\/ul>\n

    Service Life<\/h2>\n

    Modern ductile iron pipe is designed to last 100+ years<\/strong> when installed with cement-mortar lining and proper external protection. A University of Michigan life-cycle cost study confirms a 100-year service horizon<\/strong> for DI pipe compared to 50 years for PVC. Even in corrosive soils, loose polyethylene sleeving per ANSI\/AWWA C105 extends functional life toward the century mark.<\/p>\n

    Installation and Jointing<\/h2>\n

    Push-On & Mechanical Joints<\/h3>\n
      \n
    • \n

      Push-on joints<\/strong> (ANSI\/AWWA C111) use a single rubber gasket for rapid, bolting-free assembly in the trench.<\/p>\n<\/li>\n

    • \n

      Mechanical joints<\/strong> (ANSI\/AWWA C110) employ gland-and-bolt restraint gaskets rated for higher pressures, reducing the need for thrust blocks.<\/p>\n<\/li>\n<\/ul>\n

      Restrained & Flanged Connections<\/h3>\n
        \n
      • \n

        Restrained joints<\/strong> (e.g., Field-Lok\u00ae) lock spigot into bell under surge, safeguarding against separation at dead-ends and bends.<\/p>\n<\/li>\n

      • \n

        Flanged ends<\/strong> (ANSI B16.1\/250 psi or AWWA C207 patterns) bolt to valves and pumps for rigid, dismantlable attachments.<\/p>\n<\/li>\n<\/ul>\n

        Corrosion Protection<\/h3>\n
          \n
        • \n

          Internal lining:<\/strong> Cement-mortar per ANSI\/AWWA C104 forms a high-pH barrier to eliminate tuberculation.<\/p>\n<\/li>\n

        • \n

          External coatings:<\/strong> Options include bonded zinc, asphaltic enamel or water-borne epoxies; loose polyethylene sleeving controls aggressive-soil corrosion.<\/p>\n<\/li>\n<\/ul>\n

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

            ANSI\/AWWA C150\/A21.50 & C151\/A21.51<\/strong> \u2013 Pressure classes and pipe dimensions.<\/p>\n<\/li>\n

          • \n

            ANSI\/AWWA C104\/A21.4 & C105\/A21.5<\/strong> \u2013 Cement-mortar lining and polyethylene encasement.<\/p>\n<\/li>\n

          • \n

            ANSI\/AWWA C110\/A21.10 & C111\/A21.11<\/strong> \u2013 Mechanical and push-on joint criteria.<\/p>\n<\/li>\n

          • \n

            ISO 2531:2012<\/strong>, EN 545<\/strong>, EN 598<\/strong> \u2013 International benchmarks for water and sewer DI systems.<\/p>\n<\/li>\n

          • \n

            ISO 9001:2015<\/strong> \u2013 Quality-management systems for DI pipe manufacturing.<\/p>\n<\/li>\n<\/ul>\n

            Comparative Parameters (Classes 51, 52, 53, 54, 150, 250, 350)<\/h2>\n
            \n

             <\/p>\n

            \n\n\n\n\n\n\n\n\n\n\n\n
            Class<\/th>\nRated Pressure<\/th>\nSurge Allowance<\/th>\nNominal Thickness* (12\u2033)<\/th>\nJoint Types<\/th>\nDiameters<\/th>\n<\/tr>\n<\/thead>\n
            51<\/strong><\/td>\nSpecial-thick<\/td>\n100 psi<\/td>\n0.34\u2033<\/td>\nPush-on, MJ, restrained, flanged<\/td>\n3\u2033\u201364\u2033 (\u226514\u2033)<\/td>\n<\/tr>\n
            52<\/strong><\/td>\n200 psi<\/td>\n100 psi<\/td>\n0.37\u2033<\/td>\nMechanical only<\/td>\n3\u2033\u201364\u2033<\/td>\n<\/tr>\n
            53<\/strong><\/td>\n250 psi<\/td>\n100 psi<\/td>\n0.40\u2033<\/td>\nMechanical only<\/td>\n3\u2033\u201364\u2033<\/td>\n<\/tr>\n
            54<\/strong><\/td>\n\u2248300 psi\u2020<\/td>\n100 psi<\/td>\n0.43\u2033<\/td>\nPush-on, MJ, restrained, flanged<\/td>\n3\u2033\u201364\u2033<\/td>\n<\/tr>\n
            150<\/strong><\/td>\n150 psi<\/td>\n100 psi<\/td>\n0.28\u2033<\/td>\nPush-on, MJ, restrained, flanged<\/td>\n3\u2033\u201364\u2033<\/td>\n<\/tr>\n
            250<\/strong><\/td>\n250 psi<\/td>\n100 psi<\/td>\n0.34\u2033<\/td>\nPush-on, MJ, restrained, flanged<\/td>\n3\u2033\u201364\u2033<\/td>\n<\/tr>\n
            350<\/strong><\/td>\n350 psi<\/td>\n100 psi<\/td>\n0.40\u2033<\/td>\nPush-on, MJ, restrained, flanged<\/td>\n3\u2033\u201364\u2033<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

            *Thickness values for 12\u2033 OD from EJ Prescott R-6 reference.
            \u2020Estimated working pressure based on thickness comparison with 350 psi series.<\/p>\n

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

              Enhanced Structural Integrity:<\/strong> Extra wall thickness boosts resistance to external loading and surge events.<\/p>\n<\/li>\n

            • \n

              Century-Long Durability:<\/strong> Cement-mortar linings and encasement methods secure 100+ year service.<\/p>\n<\/li>\n

            • \n

              Versatile Jointing:<\/strong> Multiple joint systems adapt to diverse site and pressure requirements.<\/p>\n<\/li>\n

            • \n

              Superior Corrosion Control:<\/strong> Internal and external barriers virtually eliminate rust and tuberculation.<\/p>\n<\/li>\n

            • \n

              Sustainability:<\/strong> High recycled-content and full recyclability at end-of-life reduce environmental impact.<\/p>\n<\/li>\n<\/ul>\n

              Frequently Asked Questions<\/h2>\n
                \n
              1. \n

                What distinguishes Class 54 from Class 53?<\/strong>
                Class 54\u2019s nominal wall is ~0.03\u2033 thicker per diameter, raising stiffness and surge tolerance above 250 psi series.<\/p>\n<\/li>\n

              2. \n

                Can Class 54 handle aggressive soils?<\/strong>
                Yes\u2014with polyethylene sleeving and\/or epoxy coatings per ANSI\/AWWA C105, suitable for high-chloride or stray-current conditions.<\/p>\n<\/li>\n

              3. \n

                Which joint type installs fastest?<\/strong>
                Push-on joints require minimal excavation and no field bolting, speeding trench-time.<\/p>\n<\/li>\n

              4. \n

                Is cathodic protection needed?<\/strong>
                In severely corrosive environments, cathodic protection complements coatings\/encasement for maximum life.<\/p>\n<\/li>\n

              5. \n

                What sizes are offered?<\/strong>
                Nominal diameters from 3\u2033 to 64\u2033 per ANSI\/AWWA C151.<\/p>\n<\/li>\n<\/ol>\n

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

                  Charleston, SC (1922\u20132019):<\/strong> Original cement-lined iron mains (apple-pipe era) showed Hazen\u2013Williams C\u2248131 after 97 years, validating DI longevity.<\/p>\n<\/li>\n

                • \n

                  University of Michigan LCCA:<\/strong> A 1 000 ft, 8\u2033 pipeline study found Class 54\u2019s extra thickness yielded the lowest total cost of ownership<\/strong> over 100 years compared to PVC and other DI classes (internal U-of-M report).<\/p>\n<\/li>\n

                • \n

                  Huntsville, AL Water Utility:<\/strong> Black & Veatch analysis showed ductile iron replacement saved 3 % of annual O&M costs\u2014> $17 million PV over 50 years.<\/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":2027,"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-2026","product","type-product","status-publish","has-post-thumbnail","hentry","products-ductile-iron-pipes"],"acf":[],"yoast_head":"\nClass 54 ductile iron pipe suppliers - Jingang LuoKaiwei<\/title>\n<meta name=\"description\" content=\"Class 54 ductile iron pipe offers a special 0.43\u2033 wall thickness for 3\u2033\u201364\u2033 sizes, >100-year lifespan with cement-mortar lining, versatile push-on\/mechanical\/restrained\/flanged joints, and full AWWA\/ISO\/EN compliance. 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