Home / Catalog / Pipe Size Backing Rings / Pressure Rated / Pressure Rated - To Fit Ductile Iron Pipe Pressure Rated - To Fit Ductile Iron Pipe Carbon Steel Pressure Rated Flanges to Fit Ductile Iron Pipe (12) T-316L Stainless Steel Pressure Rated Flanges to Fit Ductile Iron Pipe (12) Request Information