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  1. Back‑up Ring FKM 90 Type: BR-10
    Dimensions: 51.13 x 4.65
    Part number: 6534081
    Delivery time: ± 6 weeks
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BR-10 FKM (concave)

Back-up rings are installed, togehter with O-rings, to prevent gap extrusion in applications with high pressure (above 5 Mpa). At high pressures and large sealing gaps a risk arises that the O-ring will be pressed into the sealing gap. If this process is repeated, and the pressure increases further, the O-ring will be damaged and will lose its function. Due to the reduction of the sealing gap the back-up ring makes sure the O-ring performs optimally without getting damaged.


type description materials
BR-10 concave FKM