Home / Catalog / HDPE Backing Rings / Pressure rated HDPE Backing Rings / Polyethylene Pressure Rated - Sized to Fit Ductile Iron Pipe Stub Ends Polyethylene Pressure Rated - Sized to Fit Ductile Iron Pipe Stub Ends T-316L Stainless Steel Pressure Rated Flanges to Fit Polyethylene Pipes and Ductile Iron Pipe Stub Ends (12) Carbon Steel Pressure Rated Flanges to Fit Polyethylene Pipes and Ductile Iron Pipe Stub Ends (12) Request Information