A182 F53 2507 flanger na Musamman da aka yi amfani da shi cikin tsari da tsarin aikin sabis
Ana amfani da bututun duplex a cikin aikace-aikacen zazzabi tare da babban bututun karfe na katako kuma. Akwai siffofi daban-daban daban-daban na waɗannan bututu.
DUMLEX Birts suna da feer ni-cr Allosys kunshi na ferrritictuctuch-Austenitic microstructure a dakin zazzabi. Waɗannan sexs gaba ɗaya suna da haɓaka haɗi masu amfani na Austrenitic da Ferritic Passies. Drlex bakin karfe suna nunawa mafi girma da wahala da mafi kyawun welitle fiye da ferritic bakin ciki (Nilsson, 1992). Suna da ƙarfi mafi girma da mafi kyawun juriya na lalata ƙarfe na bakin karfe (Atamert da Sarki, 1992). Kyakkyawan aikin injiniya ya haifar da yawan aikace-aikace na aikace-aikacen, galibi a cikin yanayin lalata kamar bututun gas na gas da kuma tasoshin gas.