The name O-Ring derives from its shape and is used to create a seal when installed into a groove and compressed during assembly. They stop fluids, gases or other particles from escaping between the joints of a machine or engine and are available in various materials and hardness to suit different applications that may require the use of corrosive oils or both high and low temperatures.

NWB O-Rings can be produced as standard in the following materials as well as to your own required specifications :

• Nitrile (NBR)
• Viton (FKM)
• EPDM
• Silicone
• FEP
• HNBR
• FFKM
• Ekraz
• PTFE

NWB stock and can supply O-rings in various standards such as :

• British Imperial to BS1806
• British Metric to BS4518
• European Metric to ISO/DIN 3601
• German to DIN 3771
• Swedish to SMS 1586/1588
• French to NFT 47 501
• American to SAE AS568A, MS29 513
• Japanese to JISB 2401