O Rings

 
O Rings

O Rings

O-rings are produced from a wide selection of elastomeric materials. NBR o-rings, VITON® o-rings, EPDM o-rings, SILICONE o-rings , NEOPRENE o-rings, POLYURETHANE o-rings - these are some of the common materials stocked and supplied by us. Please see our material table for a full material selection.

An O-ring serves as a barrier, preventing the leak paths between the sealing surfaces. O-rings offer several advantages over other sealing systems with its simplicity of construction, standardized seal dimensions, wide selection of materials and suitability for both static and dynamic applications. The most important sealing characteristic of an O-ring is its resistance to compression set or residual deformation.

The design of an O-ring application is based upon the available technical data and the experience of the specification writer with regard to dimensions and material characteristics within a specific environment or application. O-ring glands or grooves are normally cylindrical with flat and parallel faces.

In high pressure applications, Back-up rings are used to prevent the extrusion of the elastomeric material through the clearance gaps when close tolerances are difficult to maintain.

O Ring Fluid Compatibility Guide

The following charts show the resistance of different chemicals to Perfluoroelastomer, Viton® Extreme ETP, Aflas® TFE/P, Viton® FKM, EPDM P.C., Buna-n, Silicone and Fluorosilicone.

See TECH SPEC's for detailed information on material specifications

NOTE: These charts and references are to be taken as a general reference only. Although we have made the information as accurate as we possibly can we cannot make guarantees or assume any responsibility for results - as always, use your own judgement and cross references. We are always happy to discuss any product so if you would like clarification or have any questions, please call us on: 0116 275 4720.