These fittings are created to produce robust and dependable connections for many piping programs and to face up to the rigors of demanding environments. The black malleable iron fittings are perfect for gasoline and oil applications, when the galvanized iron fittings are perfect for non-potable drinking water and outdoor use https://arthurlkhec.sharebyblog.com/38389678/the-2-minute-rule-for-jianzhi