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Buna-N Brass Industrial O-Ring | 9.666" ID x 7.980" OD

Expert Overview

This robust Buna-N O-ring, featuring a brass composition, offers exceptional sealing performance in challenging industrial settings. Engineered for durability and resilience, it ensures a reliable seal against fluids and gases.

StandardASME B18
MaterialBrass
FinishAnodized
GradeN/A
Inside Diameter9.666"
Outside Diameter7.980"
Cross Section0.217"

Detailed Engineering Specifications

Designed for demanding industrial environments, this Buna-N O-ring boasts precise dimensions: an inside diameter of 9.666 inches, an outside diameter of 7.980 inches, and a cross-section of 0.217 inches. The Buna-N (Nitrile Butadiene Rubber) material provides excellent resistance to oils, fuels, and hydraulic fluids, making it suitable for a wide range of chemical processing, automotive, and manufacturing applications. Its brass construction offers inherent corrosion resistance and compatibility in specific fluid systems. This seal is optimized for static and dynamic applications where consistent, leak-free performance is paramount.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

TrelleborgEst. 1905
Sweden🇸🇪
"Engineered polymer solutions."
Market Rank
🏆 #1 Engineered Polymers
Industry Approvals
🚀 Aerospace & Subsea Approved
Warranty & Support
🛡️ High-Performance Guarantee
Green Manufacturing
🌱 Blue Dimension ESG
Certified:ISO 9001, ISO 14001
GarlockEst. 1887
USA🇺🇸
"High-performance fluid sealing."
Market Rank
🏆 Premium Fluid Sealing Leader
Industry Approvals
🚀 Nuclear & Pharma Approved
Warranty & Support
🛡️ Zero-Leak Guarantee
Green Manufacturing
🌱 Sustainable Materials
Certified:ISO 9001, FDA, NSF
FreudenbergEst. 1849
Germany🇩🇪
"Global sealing technologies."
Market Rank
🏆 Top Global Sealing Tech
Industry Approvals
🚀 Audi & Mercedes OEM
Warranty & Support
🛡️ Global Engineering Support
Green Manufacturing
🌱 Climate Neutral 2045
Certified:IATF 16949, ISO 14001

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Ensure the sealing groove is clean, free of debris, and properly dimensioned. 2. Carefully stretch the O-ring over the component, avoiding excessive force or sharp tools. 3. Gently seat the O-ring into the groove, ensuring no twisting or pinching occurs.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force or sharp tools during installation, leading to nicks or tears.Lubricate the O-ring and groove with a compatible lubricant. Use hand pressure or specialized installation tools for safe and effective placement.
Selecting an O-ring material incompatible with the fluid or operating temperature.Consult chemical compatibility charts and temperature specifications to ensure the Buna-N material is suitable for the intended application.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Chemical processing pipelines
  • Automotive fuel systems

⚠️ Engineering Warnings

  • Ensure material compatibility with all media and operating temperatures.
  • Do not use with strong oxidizing agents or ozone.

Alternative Products to Consider

Premium Sealing equivalentHigher corrosion resistance (316 SS)
Economy Sealing optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Industrial O-Ring, Buna-N made from?

A: This Industrial O-Ring, Buna-N is manufactured from Brass.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic equipment, Chemical processing pipelines, Automotive fuel systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.666"CS = 0.217"SPECIFICATIONSSize: -214

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.