An O-Ring is the world’s most commonly used sealing device and the world’s simplest sealing device.

An O-ring is exceptionally versatile, with a wide range of applications ranging from garden hose couplings to critical aerospace duties.

Seal House offers a huge range of stock moulded O-rings, in both imperial and metric sizes, including Encapsulated O-rings and Quad Rings and we can supply O-ring Kits whose contents are tailored to suit specific client needs. We can source virtually any O-ring from our worldwide network of suppliers, same-day dispatch of stock items or we can manufacture in house to suit special requirements.

We also stock a comprehensive range of O-ring Cord, cut to any length as required; Splicing Kits to help our customers make their own O-rings and we can make stronger, welded or vulcanised O-rings if required.


Nitrile Rubber EPDM
FKM/FPM (Viton ®) Silicone
Flouroelastomers Urethane
Neoprene Chloroprene
Natural Rubber HNBR
Aflas® Kalrez®

*Alternative materials available on request