O-Rings & Rubber Seals – Precision Sealing for Every Industry
At Advanced Seals & Gaskets Ltd, we supply a wide range of O-rings and rubber seals for industrial, commercial, and domestic applications. These seemingly simple, doughnut-shaped components play a vital role in sealing liquids, gases, and dust, making them indispensable across countless industries—from automotive and aerospace to food production and electronics.
Whether you need standard O-rings or custom rubber seals, our team can supply precisely engineered components in various sizes, materials, and grades to meet your specific requirements.
Product Enquiry
For information on O-Rings & Rubber Seals – Precision Sealing for Every Industry please complete the following quick enquiry or call us on +44(0)1384 252555.
O-Ring Specifications
- Colour: Anthracite (standard)
- Density: <90KG/M³
- Fire Propagation Index: <12
- Operating Temperature: -30°C to 100°C (varies with material)
- Thickness: 1mm – 100mm (can be laminated for greater thickness)
Complete technical datasheets are available on request or can be downloaded from our online portal.
What Are O-Rings?
O-rings are circular, elastomeric components designed to create a tight seal between two surfaces. Their unique ring shape allows them to compress under pressure, forming a reliable barrier against liquids, gases, and dust.
O-rings are manufactured from a wide range of materials, each suited to specific environmental conditions. Common materials include nitrile (NBR), silicone, EPDM, Viton (FKM), fluorosilicone, neoprene, polyurethane, and high-performance perfluoroelastomers (FFKM). The choice of material depends on the application, whether that involves exposure to extreme temperatures, chemicals, oils, or steam.
Why Choose O-Rings?
O-rings are a popular sealing solution due to their versatility, durability, and cost-effectiveness. Key advantages include:
- Elasticity: O-rings return to their original shape after compression, ensuring long-lasting performance.
- Wide material selection: O-rings can withstand diverse conditions, including extreme heat, cryogenic temperatures, chemical exposure, and pressurised systems.
- Reliability: O-rings provide consistent sealing in critical applications, reducing maintenance and downtime.
- Customisable: Available in various diameters, thicknesses, and materials for any project.
Material-Specific Applications
- Extreme Temperatures: Silicone and fluorosilicone O-rings withstand temperatures as low as -100°C for cryogenic use or as high as 316°C with FFKM.
- Chemical Resistance: Viton™ (FKM/FPM) resists a broad range of chemicals while performing in high-heat environments.
- Hot Water and Steam: EPDM O-rings excel in hot water, steam, alcohol, and alkaline environments, making them ideal for use in automotive and industrial systems.
- Grease and Hydraulic Fluids: Nitrile (Buna-N) O-rings are ideal for use in environments involving oil, fuel, and hydraulic fluids.
Regardless of the application, there’s an O-ring tailored to your specific requirements, ensuring reliable sealing and safety across various industries.
The Role of O-Rings
O-rings serve as efficient barriers, preventing leaks by forming a tight seal in a groove between two surfaces. When compressed, the O-ring conforms to the groove walls, eliminating gaps and maintaining a secure seal under varying pressure. Their elastic properties allow them to recover after use, making them suitable for repeated sealing applications in both low- and high-pressure systems.
In essence, O-rings are the most dependable solution for sealing liquids and gases, offering durability and precision even in the most challenging environments.
Different Grades of O-Rings
We offer a wide range of O-ring grades to suit diverse applications:
- Nitrile (NBR): Oil, fuel, and grease resistant; ideal for automotive and hydraulic systems.
- Fluorocarbon (Viton/FKM): High chemical and temperature resistance; used in aerospace and chemical industries.
- EPDM: Resistant to water, steam, and weathering; perfect for outdoor and automotive use.
- Silicone: Flexible and high-temperature resistant; suitable for medical and food-grade applications.
- Neoprene (CR): Weather, ozone, and general-purpose oil resistance; used in refrigeration and HVAC.
- Polyurethane (PU): High abrasion resistance; commonly used in heavy machinery and hydraulic systems.
- Fluorosilicone: Combines fuel and oil resistance with silicone’s high-temperature capability; used in automotive and aerospace.
- Perfluoroelastomer (FFKM) & Kalrez: Extremely chemically resistant and heat-tolerant for harsh chemical and semiconductor environments.
- Aflas (TFE/P): Resistant to aggressive chemicals, high temperatures, and steam; used in oilfield and chemical processing.
Common Applications of O-Rings
O-rings are found in a wide array of industries and everyday products:
- Automotive & Industrial Machinery: Engines, compressors, and hydraulic systems.
- Scuba Gear: Ensures airtight seals in diving equipment.
- Medical & Dental Equipment: Maintains sterile seals in implants and instruments.
- Food & Beverage Systems: Seals in taps, kegs, and carbonation lines.
- Paintball Equipment: Maintains air pressure and accuracy in paintball guns.
- Aerospace & Defence: Critical sealing in extreme temperature and pressure environments.
O-rings are the unsung heroes of mechanical sealing, providing safety, efficiency, and reliability wherever a leak-proof solution is essential.
📞 Contact Advanced Seals & Gaskets Ltd today at 01384 252555 to discuss your O-ring or rubber seal requirements. Our team can provide custom solutions, technical advice, and rapid delivery to meet your precise needs.
Please contact us using the form below or by calling us on +44(0)1384 252555.