O Ring Cross Section Calculator

Metric o ring groove dimensions are listed for the most common metric cross sections with and without backup rings.

O ring cross section calculator.

Find your o ring s squeeze amount in inches by subtracting the gland depth from cross sectional diameter with a calculator. An o ring also known as a packing or a toric joint is a mechanical gasket in the shape of a torus. For example if your o ring s cross sectional diameter is 1 25 inches and its gland depth is 1 20 inches subtract 1 20 from 1 25 to determine that the o ring is able to squeeze out a total of 05 inches. It is a loop of elastomer with a round cross section designed to be seated in a groove and compressed during assembly between two or more parts creating a seal at the interface.

O ring cross section and o ring groove design data from row inc. This tool is optimized for desktop devices. The o ring calculator tool is intended to form the basis of an o ring installation and assist with selection of o ring and hardware dimensions. Search for eriks standard o rings and load them also into your created design.

The o ring must be compressed by a predetermined amount and this compression determines the o ring cross section diameter. Corporate headquarters clarence ny 716 759 3344. Info o ring compression. The o ring may be used in static applications or in dynamic applications where there is relative motion between.

Info chemical volume swell cross section diameter mm calculate results reset calculator generate printable document results. Recommendations are based on available technical information and are offered as suggestions only any reliance placed on such information by the user is strictly at the user s risk. 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. Inputs bore diameter b d.

By selecting it to be slightly less than the groove s inner diameter the o ring will stretch and hug the groove. By simply entering installation specifications for an application it recommends o ring sizes housing layout and corresponding part numbers. Login or register here to start the o ring calculator. You need to be registered and logged in to see the o ring calculation software.

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. Manufacturers of encapsulated o rings and industrial gaskets. This calculator allows you to find the recommended o ring inner diameter and range of cross section diameters that will fit a given gland size and tolerance range in a radial seal. We have included static dynamic and pneumatic applications.