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

Titanium Grade 5 O-Ring | 5.225" ID x 8.214" OD | Buna-N

Expert Overview

Engineered for critical sealing applications, this Buna-N O-ring, constructed from robust Titanium Grade 5, offers exceptional resilience. Its precise dimensions ensure a reliable seal in challenging industrial settings.

StandardISO 9001
MaterialTitanium Grade 5
FinishPlain
GradeN/A
Inside Diameter5.225"
Outside Diameter8.214"
Cross Section0.161"

Detailed Engineering Specifications

Designed for demanding industrial environments, this Buna-N O-ring features an Inside Diameter of 5.225 inches and an Outside Diameter of 8.214 inches, with a precise 0.161-inch cross-section. The material, Titanium Grade 5, provides unparalleled corrosion resistance and strength at elevated temperatures, making it ideal for aggressive chemical exposure and high-pressure systems. Its inherent durability ensures long service life in applications where seal integrity 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. 3. Carefully insert the O-ring into its designated groove, avoiding twisting or stretching.

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.Always use a lubricant compatible with Buna-N and the operating environment.
Overstretching the O-ring during installation.Install the O-ring without excessive tension to prevent premature failure.

Common Applications

  • Chemical Processing Equipment
  • Hydraulic Systems
  • Aerospace Components

⚠️ Engineering Warnings

  • Not suitable for high-temperature steam applications.
  • Avoid prolonged exposure to ozone, UV light, or weathering.

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: Chemical Processing Equipment, Hydraulic Systems, Aerospace Components.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.225"CS = 0.161"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.