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

Buna-N O-Ring, Titanium Grade 5, 6.537" ID x 9.227" OD

Expert Overview

This industrial O-ring, crafted from robust Buna-N and featuring a Titanium Grade 5 body, provides superior sealing integrity in critical applications. Its precise dimensions ensure a reliable fit and exceptional performance under extreme conditions.

StandardASME B18
MaterialTitanium Grade 5
FinishGalvanized
GradeN/A
Inside Diameter6.537"
Outside Diameter9.227"
Cross Section0.259"

Detailed Engineering Specifications

Specified by design engineers worldwide, this Buna-N O-ring boasts an Inside Diameter of 6.537 inches, an Outside Diameter of 9.227 inches, and a Cross Section of 0.259 inches. The integration of Buna-N offers excellent resistance to oils, fuels, and hydraulic fluids, while the Titanium Grade 5 housing provides unparalleled tensile strength, corrosion resistance, and a broad operating temperature range. This combination is ideal for high-pressure systems, corrosive environments, and applications demanding lightweight yet robust sealing solutions.

🧊 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, dry, and free of debris. 2. Carefully place the O-ring into the groove, avoiding stretching or twisting. 3. Apply a thin film of compatible lubricant to the O-ring and groove if necessary for easier assembly.

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

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening fasteners during assembly, which can crush the O-ring and compromise the seal.Adhere to specified torque values for all fasteners to prevent O-ring compression damage.
Using incompatible lubricants or cleaning agents that can degrade the Buna-N material.Consult the chemical compatibility chart for Buna-N and Titanium Grade 5 to select appropriate lubricants and cleaning solutions.

Common Applications

  • Hydraulic Systems
  • Aerospace Components
  • Chemical Processing Equipment

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents or aromatic hydrocarbons.
  • Extreme thermal cycling may affect long-term material integrity.

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: Hydraulic Systems, Aerospace Components, Chemical Processing Equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.537"CS = 0.259"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.