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TS EN 877 BML Abubuwan Bututu
DS MLB (BML) Bridge magudanar bututu kayan aiki yana da hankula Properties na tsayayya acidic sharar gida gas, hanya gishiri hazo, da dai sauransu dace-iya don musamman bukatun a fagen gada yi, hanyoyi, tunnels tare da hankula juriya na acid shaye hayaki, hanya gishiri da dai sauransu Bugu da ƙari kuma, MLB kuma za a iya amfani da karkashin kasa shigarwa.
Abubuwan da aka jefa baƙin ƙarfe tare da graphite flake kamar EN 1561, aƙalla EN-GJL-150. Rufin ciki na DS MLB ya dace da EN 877; rufin waje yayi daidai da ZTV-ING part 4 ginin karfe, kari A, tebur A 4.3.2, sashin gini no. 3.3.3. Ma'auni na ƙididdiga sun bambanta daga DN 100 zuwa DN 500 ko 600, tsawon 3000mm.