An O-Ring is a widely used sealing ring with a circular cross-section designed to fit in a groove. O-Rings are a very popular choice of sealing due to their simple form, low cost, reliability and minimal space requirements in the application.
We carry extensive stock of O-Rings in NBR,
HNBR, FKM (Viton®), EPDM, Silicone, Chloroprene and Aflas® as well as special materials
and grades for demanding applications in the Petrochemical, Gas, Water and Food
industries to name but a few. Our standard stocked sizes comply with the following specifications:
- British Imperial (BS1806) and Metric (BS4518)
- German (DIN 3771)
We can supply various elastomers to
International and National Regulations suitable for Water, Food and Gas.
- Water: KIWA, WRC-ACS, WRAS, NSF/ANSI
61-2007a, DVGW, KTW, UNI EN 681-1, UNI EN 682-3, UNI EN 682-4
- Food: FDA, CFR 21.177.2600, USP CLASS 6,
- Gas: EN 549, UNI EN 682-2
- Flammability & Ignition: UL 746A, UL
- Oil & Gas: Norsok
The Ashton Seals O-Ring Brochure is also available for download in our Literature Section.
Viton® is a registered trademark of DuPont Dow
Elastomers. If you require genuine DuPont Viton® please specify this to our
AFLAS® is a registered trademark of Asahi Glass Co. Ltd