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Supplied in over 100 general and high‑specification grades of elastomer including ranges of low‑temperature and rapid gas decompression (RGD) resistant materials.
The O-ring, or toroidal seal, is an exceptionally versatile sealing device and the world’s most popular volume-produced seal.
James Walker has been making high specification O-rings since this sealing method was introduced in the 1930s and we currently hold more than one million O-rings in stock in popular sizes and materials ready for same-day despatch. With an inventory of more than 10,000 moulds, we can usually supply non-stocked O-rings within days.
We precision mould O-rings in over 100 grades of high performance and general purpose elastomers to international, national or industry standards, as well as to custom specifications.
The following materials have been specially developed to provide the highest levels of performance in oil and gas applications:
Vermilion One - FKM - ultra low temperatures and methanol resistance
Vermilion Two - FKM - methanol and RGD resistance
Vermilion Three - FKM - sour and RGD resistance across broad temperature range
FR25/90 - FKM - RGD and sour resistance
Vermilion Four - FKM - RGD and sour resistance
FR58/90 - FKM - RGD resistance at larger cross-sections
Vermilion Five - HNBR - low temperature and RGD resistance
Elast-O-Lion 985 - HNBR - low temperature with superior mechanical qualities
Vermilion Six - FEPM - resistance to RGD and chemical attack
AF69/90 - FEPM - resistance to chemical and sour conditions
Vermilion Seven - HNBR - RGD resistance at higher temperatures
Elast-O-Lion 101 - HNBR - RGD and abrasion resistance
Our materials scientists and applications engineers are always happy to discuss material choice to suit your specific application requirements.
Want to discuss your project, engineering or materials challenge expert to expert? Simply provide us with your contact details and a little information about the application you are working on, and one of our experts will contact you as soon as possible.
