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Ihe Nkwanye Ọkụ BML EN877
Ihe ndị e ji drainage drainage drainage DS MLB (BML) rụọ nwere ihe ndị a na-ahụkarị nke iguzogide gas mkpofu acidic, mmiri nnu okporo ụzọ, wdg. Ọ dabara maka ihe pụrụ iche achọrọ n'ọrụ owuwu àkwà mmiri, okporo ụzọ, ọwara mmiri yana nguzogide ya nke anwụrụ ọkụ acid, nnu okporo ụzọ, wdg. Ọzọkwa, enwere ike iji MLB maka nrụnye n'okpuru ala.
Ihe e ji mee ya bụ ígwè a kpụrụ akpụ nke nwere flake graphite dịka EN 1561 si dị, ma ọ dịkarịa ala EN-GJL-150. Mkpuchi ime nke DS MLB dabara na EN 877; mkpuchi mpụta kwekọrọ na ZTV-ING nkebi nke anọ nke ihe owuwu ígwè, mgbakwunye A, tebụl A 4.3.2, nọmba akụkụ owuwu 3.3.3. Akụkụ aha ya sitere na DN 100 ruo DN 500 ma ọ bụ 600, ogologo 3000mm.





