These fittings are intended to supply robust and reliable connections for different piping devices and to face up to the rigors of demanding environments. The black malleable iron fittings are ideal for fuel and oil applications, whilst the galvanized iron fittings are great for non-potable drinking water and outdoor use https://howtoselectingyourpipefit60481.creacionblog.com/38377637/a-review-of-features-of-malleable-iron-pipe-fittings