Home / Catalog / Backing Rings for IPS & DIPS HDPE Flange Adapters / Class 150 HDPE Flanges Class 150 HDPE Flanges Class 150 Two-Piece Backing Rings to Fit HDPE IPS Flange Adapters & Pipe Stub Ends (40) Class 150 DIPS Flange Adapters (24) Request Information
