Record the thickness of the ring the cross section see image for reference.
O ring gauge chart.
Figure 1 5 illustrates the application of fl uid pressure on the o ring.
More resources and quick links.
That document published by the society of automotive engineers sae lists the sizes of o rings in six series or groups in both inches and millimeters.
Lightly clamp the jaws of the caliper onto the o ring but do not compress it.
Quick reference tape measure confirms metric size o rings 64mm 665mm inside diameter on one side and usa as568 standard o ring sizes from 2 5 id to 26 inside diameter on the other side.
O ring is mechanically squeezed out of round between the outer and inner members to close the fl uid passage.
The seal material under mechanical pressure extrudes into the microfi ne grooves of the gland.
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The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings.
Note that the o ring has been.
Metric and inch cross section thickness reference gauge.
Select a size to buy standard and custom o rings from the world s largest inventory network or custom orders can be made within a few weeks typically without tooling fees.