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.
Chinese Pipe Fittings, Tube Valves and Steel Flanges
Professional supplier of pipe fittings, valves and flanges in China.
