Southland® 521 Pipe Coupling, 1 Inch, NPT, 300 psi Working, Malleable Iron, ASTM A197, Black Oxide, ASME B1.20.1, 150 deg F
Mueller boasts an extensive line of black and galvanized malleable iron fittings and steel nipples. Galvanized items are coated for water applications and meet low lead requirements. Fittings are offered from 1/8 - 6 Inch diameter. Each fitting has the Mueller brand cast into the body, a sign of assured 100% quality inspection and testing.
