O-Ring Manufacturers UK

O Rings and Seals

Custom O Rings.

Custom O-Ring Manufacturers.

Manufacturers of precision O-Rings for: Aerospace, Automotive, Oil and many industries. O Rings manufactured in a range of rubber and silicone to drawing for your requirements.

Custom O Rings Manufacturers

Custom O Rings Manufacturers

Manufacturers of custom rubber and silicone O-rings to your specification. Rubber O-Rings can be manufactured from a wide range of rubber and silicone materials as seen on the material page to suit many applications including: Marine, Aerospace, Automotive and General industry, many of which expose our  custom seals to hostile environments.

Custom O Rings UK

Custom O Rings

O Ring Sizing

We offer a fast service and can take a project from concept through to final production.

Butser Rubber manufacture Rubber and Silicone O rings and moulded rubber seals with a cross section as small as 0.5 mm, and our largest cross section to date is 7 cm on an industrial Donut seal.

Custom Toroidal Rings

Toroidal Sealing Rings

O Ring Material properties

Custom rubber seals can be manufactured in a range of colours and shore hardness depending on the application and material. The seals and O Rings can be manufactured in a fully controlled vacuum environment to reduce the risk of air bubbles and voids forming under the surface of the seal. This is very important on Aerospace and high pressure seals.

O Ring Manufacturers UK

O Ring Manufacturers

O Ring Surface Finish

Near flashless rubber O rings and seals can be produced if required using special ‘closed tooling’ and Cryogenic trimming technology.

Butser Rubber manufacture ‘non-standard’ O-rings to drawing and pattern part and we have the capability to run ‘1 off mouldings’, ‘small batch runs’  and ‘large scale production’ for OEM Toroidal seal requirements.

Full traceability can be requested on spec materials , and we currently offer rubber seals that meet many Def Stan, DTD, BS, AMS and TS requirements.  We can inspect and supply documentation for moulded rubber O rings and seals to ‘FAIR AS9102’ and ‘PPAP level 3’.

Butser Rubber manufacture many types of rubber seals and O rings. Including:

Silicone O Rings,

EPDM O Rings,

Ring Sealing Toroidals,

Nitrile O Rings,

Viton Toroidal Rings,

Viton O Rings,

Fluorosilicone O Rings,

FKM O Rings,

Custom O rings.

High Temperature O Rings,

High Temperature Seals,

EPDM Seals,

Nitrile Seals,

Nitrile Toroidal rings,

Hydrin Seals,

Custom O section seals,

Engine O Section Seals,

Donut seals,

Low Nitrile Toroidal Rings.

Contact us


Tel: +44 (0) 1730 894034
Fax: +44 (0) 1730 894344

Butser Rubber Ltd
Mint Road
GU33 7BQ

US Division: www.butserrubbermoldings.com

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