SO Flange 20" - 600# 3 Images | 2 Formats | 0 Likes | 0 Comments | 0 Downloads Download - Part / Inventor (0.26 MB) - STEP (0.06 MB) Categories - Piping- Flanges- SO Flange Tags/Keys SO Flange, 20", class 600, 600 lbs, 3d model, step file Sign In Likes 0 Share Similar files Comments 0 Sign In