O Ring Groove Diameter Tolerance

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O ring groove diameter tolerance. This metric o ring groove design reference guide will help you find the right radius back up pressure and other o ring dimensions for basic applications. Our tolerances are only meant to serve as a guide. Metric o ring groove designs vary greatly and choosing the right one for your application is important for maximum o ring performance. The best o rings are useless without the right groove design which becomes increasingly important the more demanding the.
Find the right o ring tolerance for your application and easily order online today from the world s largest o ring inventory network. Corporate headquarters clarence ny 716 759 3344. Explore o ring groove design guides for face seal flange dovetail flange x ring and other o rings. O ring groove design guides offer default dimensional guidance on the most basic o ring groove design applications.
Two dimensions describe the size of an o ring. An o ring can perform sealing by means of squeeze under low pressure conditions. If you have a custom o ring size that does not appear on this chart contact us directly and we can help you size. You can select your tolerance range in the store.
Based on the cross section cs of your o ring you will choose the corresponding o ring groove depth and o ring groove width dimensions. Secondly the o ring is at its smallest cross section tolerance limit and the gland is at its largest size tolerance limit. O ring metric groove design pdf seal design company info. The extent of extrusion depends upon the hardness of o ring the pressure and the size of the clearance gap.
Dimensional tolerances for all metric o rings offered by global o ring and seal are in accordance with iso 3601 1b. An o ring is contained in a gland and forced to flow into the surface imperfections of the glands and any clearance gaps available to it. Metric o ring groove dimensions are listed for the most common metric cross sections with and without backup rings. The o ring inner diameter id should also stretch approximately 5 over your groove or gland.
O ring tolerances for cross section and inside diameter the o ring tolerances outlined in the charts below reference general purpose o rings and x rings. O ring groove design overview. We have included static dynamic and pneumatic applications. These will produce the highest compression and lowest compression percentages.