80 durometer O-rings
Last Updated: April 1, 2025
Description
80 durometer O-rings are solid-rubber seals shaped like a doughnut. They are designed to block the passage of liquids or gases when pressed between two mating surfaces. These O-rings can form either a static or dynamic seal, depending on the application requirements. The 80 durometer rating indicates a relatively hard rubber compound, which provides specific performance characteristics suitable for certain environments and pressures.
Working Principle
The working principle of an 80 durometer O-ring involves its placement into an engineered groove where it becomes compressed between two or more parts. This compression creates a seal by forcing the O-ring to shift towards the side with the least amount of pressure, thereby tightening the seal. The hardness of the O-ring, measured by the Shore A durometer scale, plays a crucial role in its ability to withstand higher pressures without extrusion, making it suitable for applications where greater abrasion resistance is needed.
Applications
80 durometer O-rings are used in various industries due to their ability to withstand higher pressures and provide reliable sealing. Specific examples include their use in aerospace applications, where they help maintain the integrity of critical systems by preventing leaks. They are also employed in the automotive industry, particularly in engines and hydraulic systems, where they ensure the containment of fluids under high pressure.
Advantages over other Manufacturing - Machine Tool Accessories and Components
Compared to other sealing components, 80 durometer O-rings offer superior abrasion resistance and extrusion resistance, making them ideal for high-pressure applications. Their ability to form both static and dynamic seals provides versatility across different engineering scenarios. Additionally, their relatively simple design and cost-effectiveness make them a preferred choice over more complex sealing solutions.
Limitations
Despite their advantages, 80 durometer O-rings have limitations. They may not perform well in environments with rotary speeds exceeding 1,500 feet per minute, as this can lead to rapid wear and potential failure. Additionally, they may not be suitable for environments where the chemical, temperature, or pressure conditions exceed the material's compatibility limits.
Considerations
When selecting 80 durometer O-rings, several considerations should be taken into account. Initial costs are generally low, making them an economical choice for many applications. However, operating expenses can vary depending on the specific environment and maintenance requirements. Durability is generally high, but the O-rings must be regularly inspected for signs of wear or failure. Replacement and maintenance costs are typically low, but ensuring the correct material and durometer rating is crucial for optimal performance and longevity.
from Parker Hannifin / Seal Group
O-rings are circular sealing elements with circular cross-sections, and are mainly used in static applications. The sizes are specified by the inside diameter and the cross section diameter. Our O-rings are manufactured according to metric and imperial international standards such as AS 568B, DIN... [See More]
- O-ring Hardness (Durometer): 40 durometer; 50 durometer; 60 durometer; 65 durometer; 70 durometer; 75 durometer; 80 durometer; 85 durometer; 90 durometer; >90 durometer
- Cross-section: 0.0400 to 0.2750
- Inside Diameter (ID): 0.0290 to 26
- Material Trade Name: Parofluor, Perfluoroelastomer, E70, V-90, V709, V90, Buna, Buna N, V0494, V0834, 12307, 12358, 12897, 12917, 19356, 21378, 21379, 21705, 21926, 63017
from Phelps Industrial Products
Our extensive inventory approach enables us to respond to customer needs thoroughly and without delay. Additionally, Phelps offers a wide range of related industrial items such as molded and vulcanized 'O ' rings, hydraulic seals and other molded parts. Molded 'O ' rings are... [See More]
- O-ring Hardness (Durometer): 40 durometer; 45 durometer; 50 durometer; 55 durometer; 60 durometer; 65 durometer; 70 durometer; 75 durometer; 80 durometer; 85 durometer; 90 durometer; >90 durometer
- Inside Diameter (ID): 0.0312 to 26
- O-ring Size: Available in all 'AS568A-' standard sizes (001-475)
- Cross-section: 0.0400 to 0.2750
from Seal Science, Inc.
SSI ’s engineered electrically conductive elastomers (conductive rubber) provide sealing solutions for mission critical applications that require both environmental and electromagnetic interference, electrostatic discharge, and radio frequency shielding. The incorporation of elastomers with... [See More]
- O-ring Hardness (Durometer): 45 durometer; 65 durometer; 70 durometer; 75 durometer; 80 durometer; 85 durometer
- Inside Diameter (ID): 0.1450 to 3.99
- O-ring Size: Custom
- Cross-section: 0.0700 to 0.1030
from ACE Seal, LLC
Global supplier of o-rings, all standard sizes in stock [See More]
- O-ring Hardness (Durometer): 30 durometer (optional feature); 35 durometer (optional feature); 40 durometer; 45 durometer; 50 durometer; 55 durometer; 60 durometer; 65 durometer; 70 durometer; 75 durometer; 80 durometer; 85 durometer; 90 durometer
- O-ring Features: FDA Approved or 3A Sanitary Classification; Peroxide Cured; MILSPEC
- O-ring Size: Available in all 'AS568A-' standard sizes (001-475); Available in all 'AS568A-' boss gasket sizes (901- and up); Available in British Standard metric sizes (e.g. 'BS'); Available in JIS standard sizes (e.g. G, P, S and V ); Custom
- Synthetic Rubbers: Butyl Rubber (IIR); Ethylene propylene rubber (EPR, EPDM, EP, EPT); Fluoroelastomer (FKM); Fluorosilicone (FVMQ, FMQ, FPM, FSI); Nitrile Rubber (NBR, HNBR, HSN ); Polychloroprene (CR - Neoprene); Polytetrafluoroethylene (PTFE); Silicone Rubber; Styrene Butadiene Rubber (SBR)
from Hi-Tech Seals, Inc.
The U.S. Air Force first regulated O-ring sizing under the system AS-568. A properly designed O-ring groove allows the O-ring to be squeezed diametrically out-of-round even before the application of pressure. The O-ring is the most widely adopted seal in history because of its simplicity, low cost,... [See More]
- O-ring Hardness (Durometer): 80 durometer
- O-ring Features: MILSPEC (optional feature)
- O-ring Size: Available in all 'AS568A-' standard sizes (001-475)
- Synthetic Rubbers: Fluoroelastomer (FKM)
from Real Seal Company
O-Rings & Sealing Systems. With a focus on demand for performance, Real Seal excels in providing materials and designs that solve problems in seal applications. With outstanding materials in EPDM, Fluorocarbon, Silicone, NBR, HNBR, among others, Real Seal can develop custom solutions for... [See More]
- O-ring Hardness (Durometer): 80 durometer
- Cross-section: 0.0620 to 0.2500
- Inside Diameter (ID): 0.0290 to 20.95
- Outside Diameter (OD): 0.0930 to 21.5