Material:Iron Technics:Casting Type:Gas Flange Connection:Female Shape:Equal Head Code:Wall Floor Flange product name:3/4 Malleable Cast Iron Pipe Fittings Dn20 Black Iron Flange Standard:ANSI,BS,DIN Application:Water,steam,air,oil,gas and so on Surface treatment:Hot Galvanized,Normal black Name:Dn20 Black Iron Flange color:black item:3/4 Malleable Cast Iron Pipe Fittings other name:Gas Flange size:1/8-6 service:OEM service Show More