The difference between the original o ring cross section and the final o ring cross section once installed is known as the compression squeeze.
O ring cross section tolerance.
You can select your tolerance range in the store.
Please contact us if you are looking for a size not shown in the 5 32 group.
Diameters cross sections tolerances and size identification code.
In de signing this new group of o rings we left spacing in the part numbers to allow us to add additional sizes should they be required.
Axial dimensions of an o ring shall not exceed a depth of 003 in.
Non continuous flats shall be blended out smoothly.
Dimensional tolerances for all metric o rings offered by global o ring and seal are in accordance with iso 3601 1b.
O ring cross section and o ring groove design data from row inc.
In general tighter tolerance components or rigid.
An o ring is a solid rubber seal shaped like a doughnut or torus.
That standard groups metric.
O ring tolerances for cross section and inside diameter.
O ring size chart as568 standard o ring sizes find as568 o ring standard sizes by cross section inside diameter and outside diameter in our o ring size chart and separate o ring tolerance chart.
Our tolerances are only meant to serve as a guide.
For non standard o rings however there is no industry standard for this several dimensional specifications have to be taken into consideration.
Manufacturers of encapsulated o rings and industrial gaskets.
The main advantages of larger cross section o rings include being less prone to compression set less volume swell in liquid based on percentage basis and allows for larger tolerance while maintaining an acceptable compression squeeze and compression ratio over full stack up range.
When the cross sectional diameter is on its lower limit no flat ting is permissible.
To leaks caused by spiral failure of the o ring.
The o ring tolerances outlined in the charts below reference general purpose o rings and x rings.
Nominal cross section o rings.
Find the right o ring tolerance for your application and easily order online today from the world s largest o ring inventory network.
0 08 mm and shall not cause deviation from the nominal section of the o ring in excess of the drawing tolerances i e.
Standard o rings or iso 3601 are given a concrete set tolerance for both inner diameter id and cross section cs.