Home > Sealing > Industrial O-Ring, Buna-N

Titanium Grade 5 Buna-N O-Ring - 8.833" ID x 7.137" OD

Expert Overview

This industrial O-ring features a durable Buna-N sealing element encased in corrosion-resistant Titanium Grade 5. Engineered for extreme environments, it provides reliable sealing across a wide temperature range and against aggressive media.

StandardISO 9001
MaterialTitanium Grade 5
FinishPlain
GradeN/A
Inside Diameter8.833"
Outside Diameter7.137"
Cross Section0.246"

Detailed Engineering Specifications

A high-performance industrial component, this O-ring is precisely manufactured with an inside diameter of 8.833 inches, an outside diameter of 7.137 inches, and a cross-section of 0.246 inches. The Buna-N material offers excellent resistance to oils, fuels, and many hydraulic fluids, while the Titanium Grade 5 housing provides superior strength, corrosion resistance in harsh chemical and marine environments, and a wide operating temperature range. This combination makes it ideal for critical sealing applications in aerospace, chemical processing, and offshore industries where reliability 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 mating surfaces are clean and free of debris. 2. Lubricate the O-ring with a compatible lubricant to prevent damage during installation. 3. Carefully insert the O-ring into its designated groove, avoiding any twisting or stretching. 4. Verify proper seating and compression of the O-ring before assembly.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

Mechanical Properties

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

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 the wrong lubricant, which can degrade Buna-N.Always use a lubricant specifically approved for Buna-N and the operating environment.
Over-stretching or twisting the O-ring during installation.Handle the O-ring gently and ensure it is properly seated without excessive tension.
Installing on dirty or damaged mating surfaces.Thoroughly clean and inspect all sealing surfaces before installation to prevent leaks and premature failure.

Common Applications

  • Aerospace fluid systems
  • Chemical processing equipment
  • Offshore oil and gas components
  • High-pressure hydraulic systems

⚠️ Engineering Warnings

  • Buna-N is not suitable for use with ozone, ketones, esters, or chlorinated hydrocarbons.
  • Titanium Grade 5 may exhibit galvanic corrosion when in contact with certain dissimilar metals in a conductive electrolyte. Consult compatibility charts.

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 Titanium Grade 5.

Q: What are the main applications?

A: Aerospace fluid systems, Chemical processing equipment, Offshore oil and gas components, High-pressure hydraulic systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.833"CS = 0.246"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.