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June 25, 2010

Ductile Iron Backup Ring

Material: Ductile Iron ASTM A536 45-12

Method: Sand Casting

Surface: Red epoxy painting for DI flange.

Ductile Iron Backup rings in sizes from 3” up to 36”,  flange standard is ASTM B16.5

Lost foam casting method is option, which can get a good surface treatment. .

Ductile Iron Backup Ring

Ductile Iron Backup Ring

Sand Castings
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