flare union fitting material: iron or brass size:5/8",3/4", ... 59-1.through advanced hot forging and cold maching processAdvantages:Top quality,competitive price,prompt delivery1)10 years exprience of manufacturing ... with excellent workmanship and top quality.2)strictly confirm to ASME,ANSI,JIS,DIN ... ,uk etc.America,dubai,turkey,iran,etc. flare union fitting