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EN877 BML Pipe Fittings
DS MLB (BML) Bridge drainage ọkpọkọ oyiyi akwa nwere ahụkarị Njirimara nke iguzogide acidic n'efu gas, okporo ụzọ nnu alụlụ, wdg uwe-enwe ike maka pụrụ iche chọrọ na ubi nke àkwà mmiri ewu, okporo ụzọ, tunnels na ya ahụkarị iguzogide acid iyuzucha uzuzu, ụzọ nnu wdg Ọzọkwa, MLB nwekwara ike ga-eji maka n'okpuruala echichi.
A na-atụba ihe a na-eji ígwè graphite flake dị ka EN 1561 ma ọ dịkarịa ala EN-GJL-150. Ihe mkpuchi dị n'ime DS MLB zuru ezu na-ezute EN 877; mkpuchi dị n'èzí kwekọrọ na ZTV-ING akụkụ 4 ihe owuwu ígwè, mgbakwunye A, tebụl A 4.3.2, akụkụ ihe owuwu nke mba. 3.3.3. The nominal akụkụ sitere na DN 100 ka DN 500 ma ọ bụ 600, ogologo 3000mm.