M&F Equal Elbow 90 Deg,NPT,Black Malleable Iron 1.Banded,Beaded,Plain 2.1/ ... 4.Heavy/Standard/ M&F Equal Elbow 90 Deg , NPT, Black Malleable Iron Specification:Male&Female, Equal, 90 Deg, Elbow, Connection NPT threads, Material of Construction ... Black Malleable Iron,WOG (PSI) 300 At 150 Deg F, Saturated Steam ...