List the substance that the seal will be exposed to and check o ring material resistances in chemical compatibility table s listed in the apple seal design guide.
O ring specification pdf.
O rings are the most commonly used and widely available rubber sealing rings in the market.
Sae j1926 1 sae straight thread o ring port iso 11926 1 conforms to ms16142.
Various nations and organizations have developed o ring sizing standards that are now used worldwide.
Dimensions of o rings in one ordering number.
O ring size charts note.
Originally the nominal size was just for a listing of the approximate fractional dimensions of the o ring.
O ring tolerances vary by use please refer to our o ring.
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.
Popular o ring size standards include usa s as568 o ring size chart the uk s bs 1806 o ring sizing chart and japan s jis b 2401 o ring size list.
Does not conform to ms33649 8 un unf threads table u18 port detail sae j1926 1 iso 11926 1 1 nominal tube od is shown for the standard inch sizes and the conversion to equivalent millimeter sizes.
1 size catalog number 2 durometer and material 3 quantity example.
On o ring drive belts and their application will be found in o ring applications section iii.
The design of the groove where the o ring sits plays a major role in how the o ring performs its sealing role.
Order o rings online from the world s largest inventory network including custom o rings typically without tooling fees.
The as o ring size chart has a column that shows the nominal size along side the actual size.
O rings are specified by i d.
An o ring is a circular cross section ring molded from rubber figure 1 1.
An o ring seal is used to prevent the loss of a fl uid or gas.
In order to seal properly the o ring has to deform in the application by being compressed and stretched in any number of ways.
List all factors of seal application and check material.
Prior to the common use of dial calipers many people called out a 1 inch by 1 1 4 rt o ring this was a dash 214.
Designing the parts of an application where o rings will be applied is broadly termed o ring groove design.
The seal assembly consists of an elastomer o ring and a gland.
Until now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections.
Static stationary or dynamic moving.
Please contact us if you are looking for a size not shown in the 5 32 group.
110 70slr 10 000 size durometer material and color quantity outside diameter o d is for reference only.
Nominal cross section o rings.
1 2 what is an o ring seal.
Refer to our standard o ring size chart to find usa as568 o ring dimensions.
