Standard O rings
O-Rings are one of the most common seals used in seal design because they are relatively inexpensive and reliable. O Rings seals are available in various metric and standard sizes.
UK standards sizes are known as BS Sizes (BS1806 for Imperial) and (BS4518 for Metric).
In general o-rings are specified by internal diameter and the cross section.
O Rings made to British Standard Imperial (BS) and British Metric (RM) sizes as well as Swedish, German, French and Japanese (JIS) metric sizes in Nitrile, Viton, Silicone, Flurosilicone, Ethylene Propylene (E.P.D.M.), Neoprene, NWC (National Water Council approved),FEP (Viton and Silicone encapsulated), High Nitrile and Food Grade materials in a variety of shore hardness’s, as well as in P.T.F.E. to suit both static and dynamic applications.
