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BR-13

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  1. Back‑up ring PTFE Spiral Type: BR-13
    Dimensions: 47.62 x 53.97 x 1.38
    Part number: 325430
    Delivery time: 2-3 days
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  2. Back‑up ring PTFE Spiral Type: BR-13
    Dimensions: 60.32 x 66.67 x 1.38
    Part number: 329677
    Delivery time: 2-3 days
    More Details
  3. Back‑up ring PTFE Spiral Type: BR-13
    Dimensions: 66.67 x 73.02 x 1.38
    Part number: 325432
    Delivery time: 2-3 days
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  4. Back‑up ring PTFE Spiral Type: BR-13
    Dimensions: 79.37 x 88.9 x 1.7
    Part number: 314801
    Delivery time: 2-3 days
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4 Items

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Back-up ring, BR-13 PTFE (spiral)


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.

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