Product Description Backing ring / Backup ring
Carbon steel backing ring
Material:carbon steel A105/S235
Surface:antirust paint,epoxy paint,fusion bound epoxy,hot-dip galvanized,dacromet.
Flange drilling:ANSI / DIN /EN /AS
Pressure:PN6-PN16
Size:DN10mm-DN3000mm
Dimension: as per user's drawing and reuqirement.