Description
Our Heavy Duty Zinc Plated Backing Rings are produced from mild steel and finished with a Zinc Plating.
These backing rings are exceptionally heavy duty and are excellent in high pressure applications where a standard backing ring could flex
Our Heavy Duty backing rings are supplied for use with our PE stub flanges, but are also compatible with other industrial pipework systems.
PN16 drillings
For bolt sizes, please see our flange tables
