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DMR Seals FB02 profile is a precise tolerance part which is generally utilised as a plain washer or spacer ring to fill the void created by over machining of standard gland widths. It is also commonly used in adjustable chevron packing set glands as a packer where further axial compression is required on to the main sealing device to increase compressive load (commonly known as live loading) and improve leakage control, this process generally applies to older equipment types utilising rubber/fabric composite materials.

The FB02 can be supplied in either endless (solid) or split formats.