Wadannan flanges za su iya taurare ta hanyar magani mai zafi. Manufofin Aikace-aikacen na Duplex Flagens sune; Ana amfani dasu a kashe kamfanonin masu hakar mai, jirgin sama yana ƙaruwa da yawa, Petrochemicals, kayan aikin gas, masu fasahar zamani, da kuma masu amfani da ruwa, da kuma kayan aikin zafi, da kuma kayan masarufi. Akwai filayen drlex karfe a cikin nau'ikan zane-zane kamar su kamar hannun riga, butt weld, makaho, latsa hadin gwiwa da sodet weld.