3/4 300# Black Street ElbowThe 3 4 300# Black Street Elbow is a 90 degree pipe fitting made of black malleable iron, designed to change the direction of flow in a piping system while allowing for a male to female connection. The 300# (300 PSI pressure rating) makes it suitable for medium to high pressure applications in plumbing, gas, steam, oil, and industrial systems. Specification Details TYPE 300# Black Street Elbow DESIGN Street elbow design, one end is male threaded while