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Back-up rings provide added extrusion resistance and prevent damage to O-rings and seals when subjected to high pressures, larger extrusion gaps, and/or high temperatures. The use of back-up rings can significantly increase the pressure rating of almost any seal. They are used in conjunction with O-rings or dynamic seals for both static and dynamic sealing applications. The cross section of a back-up ring is generally rectangular, and they are not designed for sealing purposes.
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Product properties | |
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Brand | Dichto |
Category | Back-ups |
Inside Diameter (mm) | 158.43 |
EAN Number | 8-164 |
Material | Nitrile Rubber |
Series | Imperial |
Shore Hardness (A) | 90 |
Temp Range (°C) | -30 to 100 |
Colour | Black |
Cross Section (mm) | 2.62 |
Appropriate O-Ring | R 3625 |
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