Ductile Iron Backup Ring

Back-up Ring, also named Convoluted Flanges for adapter.

Material: ductile iron A536 60-45-12 or CF8M.

Suite for IPS adapter.

Surface: Red prime paint/Epoxy Coating/E-coating/Hot dippted galvanized.

Flange Size: 1/2″-24″.

Designed per DR7, 267PSI.