These fittings are built to produce robust and reliable connections for several piping units and to withstand the rigors of demanding environments. The black malleable iron fittings are ideal for gasoline and oil applications, even though the galvanized iron fittings are ideal for non-potable water and out of doors use https://features-of-malleable-iro60481.blogdanica.com/38655294/everything-about-malleable-iron-fittings