Fitting type: 90 degree NPT threaded reducing elbow, Material: Cast Malleable Iron per ASTM A197, Dimensions conform to ASME B16.3, Class: 150, NPT Thread Size (A): 4 inch, NPT Thread Size (B): 2-1/2 inch, End to Center Length (A): 3.5 inch, End to Center Length (B): 3.05 inch, Approximate Weight: 5.8034 LBS
Click here for a downloadable and printable specification sheet on class 150 90 degree reducing elbows cast from malleable iron