Steel Backup Ring

• Customization: Available
• Standard: ANSI, DIN, GB, JIS
• Type: Welding Flange
• Structure: Round
• Connection: Flanged
• Sealing Surface: RF
• Manufacturing Way: Casting
• Body Material: Ductile Iron A536 60-45-12 or CF8m
• Surface for Ductile Iron Ring: Red Prime Paint/Epoxy
• Transport Package: Wooden Box
• Specification: CE
• Trademark: Vortex
• Origin: Qingdao, Shandong, China
• HS Code: 73071100
• Production Capacity: 50000/Year

Product Description

Back-up Ring, also named Convoluted Flanges for IPP adapter.
Material: ductile iron A536 60-45-12 or CF8M.
DR7 with pressure 275psi.
Surface for ductile iron ring: Red prime paint/Epoxy
Coating/E-coating/Hot dippted galvanized.
Size from 1/2″-63″