O Ring Specification Pdf

110 70slr 10 000 size durometer material and color quantity outside diameter o d is for reference only.
O ring specification pdf. An o ring seal is used to prevent the loss of a fl uid or gas. Various nations and organizations have developed o ring sizing standards that are now used worldwide. Designing the parts of an application where o rings will be applied is broadly termed o ring groove design. Nominal cross section o rings.
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. 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. An o ring is a circular cross section ring molded from rubber figure 1 1.
O ring size charts note. The as o ring size chart has a column that shows the nominal size along side the actual size. O rings are the most commonly used and widely available rubber sealing rings in the market. 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.
O ring tolerances vary by use please refer to our o ring. 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. The seal assembly consists of an elastomer o ring and a gland. O ring handbook parker hannifin o ring division europe.
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. Static stationary or dynamic moving. 1 2 what is an o ring seal. 1 size catalog number 2 durometer and material 3 quantity example.
Please contact us if you are looking for a size not shown in the 5 32 group. Dimensions of o rings in one ordering number. Refer to our standard o ring size chart to find usa as568 o ring dimensions. On o ring drive belts and their application will be found in o ring applications section iii.
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. Usa as568 o ring standard sizes are the most commonly used o ring sizes in the world. O rings are specified by i d. Sae j1926 1 sae straight thread o ring port iso 11926 1 conforms to ms16142.
How to determine o ring size for sequence in ordering. In order to seal properly the o ring has to deform in the application by being compressed and stretched in any number of ways.