4 Tips to Select the Best AS568 O Ring Chart

When selecting the right AS568 O Ring chart, it’s crucial to have a comprehensive understanding of the available options. In this guide, we have compiled essential tips to assist you in making an informed decision. .

Understanding AS568 O Rings .

AS568 O rings are standardized, non-metallic seals used in a variety of applications, ranging from automotive to aerospace. The American Society for Testing and Materials (ASTM) lays the foundation for the AS568 series, ensuring consistency and reliability in dimensions.

Tip 1: Know the Size Specifications .

One of the most crucial elements in selecting an AS568 O Ring is understanding size specifications. Each AS568 O Ring size is identified by a specific code, usually a four-digit number. For example, AS568-001 refers to a O Ring with a 0.070-inch inner diameter and a 0.014-inch cross-section. Utilizing a reliable O Ring chart helps narrow down your search according to size and application requirements. .

According to a recent study published by the Rubber Manufacturers Association, about 70% of O ring failures are due to incorrect size selection. Thus, referring to an accurate AS568 O Ring chart is essential. .

Tip 2: Material Matters .

Selecting the right material is just as important as size. O rings can be manufactured from a variety of materials, each with unique properties. Common materials include Nitrile (Buna-N), Silicone, and Fluorocarbon (Viton). .

- **Nitrile (Buna-N)**: This highly versatile material is suitable for applications involving oils and fuels, boasting a temperature range of -40°F to 250°F.

- **Silicone**: Highly flexible and resistant to extreme temperatures, silicone is ideal for high-temperature applications, withstanding up to 450°F.

- **Fluorocarbon (Viton)**: Known for chemical resistance, Viton is perfect for harsh environments, tolerating temperatures between -20°F and 400°F.

According to the International Rubber Study Group, understanding the chemical compatibility of different materials with chosen fluids is vital for prolonging the lifespan of your O ring. .

Tip 3: Evaluate the Working Environment .

The working environment where the O Ring will be deployed significantly affects its performance and longevity. Factors like temperature, pressure, and exposure to chemicals must be considered. .

A survey conducted by the Society of Automotive Engineers indicates that 60% of O Ring failures are attributed to environmental factors, such as extreme temperatures or exposure to harsh chemicals. To mitigate this issue, always refer to the compatibility charts available from O Ring manufacturers and inspect the material specifications thoroughly. .

Tip 4: Utilize Accurate Reference Charts .

Finally, utilizing an accurate AS568 O Ring chart is critical. Not all charts are created equal; some may contain outdated or incorrect information. Look for charts from reputable sources, such as the SAE International or leading O Ring manufacturers. .

For example, Parker Hannifin offers a comprehensive AS568 O Ring chart that includes both standard sizes and expanded options. Their chart provides easy-to-read specifications, including part numbers, cross-section measurements, and recommended materials for various applications. .

As per data published by the International Organization for Standardization, using verified charts reduced O ring selection errors by up to 40%, resulting in optimized performance and reduced costs. .

Conclusion .

Selecting the best AS568 O Ring chart requires a thoughtful approach, considering size, material, environment, and reliable reference sources. Following these four essential tips will streamline your selection process, saving time and enhancing the effectiveness of your sealing applications. .

Always ensure that you’re referring to accurate and updated charts from reputable sources, as the quality of the O ring directly impacts the longevity and reliability of your machinery. For further information, consult organizations such as ASTM and SAE, or visit major manufacturers’ websites for their latest product offerings. .

By adhering to these guidelines, not only do you enhance your understanding of AS568 O rings, but you position yourself for success in selecting the ideal seal for your project.

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