... 8/7" Confirm ASME,ANSI,JIS,DIN ISO9001&CE Brass double union flare fittingMaterial: brass/ironVarious sizes and figures are availableUsed ... confirm to ASME,ANSI,JIS,DIN standards.3)Scrupulous quality control,the inspection of raw materials,semi-unfinished products as well ... ,including spain,uk etc.America,dubai,turkey,iran,etc. brass double union flare fitting