What is Weld Neck Flange, Material Types, and Specifications
CD61 Schedule 40/80/160 Butt Weld 4-Bolt Flanges On Anchor Fluid Power
Amazon.com: Global Industrial 1-1/2" Size Medium Flange Pipe Fitting (1.94" Fitting I.D.), For use with Schedule 40 & 80 Only : Industrial & Scientific