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

Titanium Grade 5 O-Ring | Buna-N Seal

Expert Overview

Engineered for extreme reliability, this Buna-N O-ring features a robust Titanium Grade 5 construction, ensuring superior resistance to harsh environments and aggressive media. Perfect for critical sealing applications demanding longevity and performance.

StandardDIN 933
MaterialTitanium Grade 5
FinishPlain
GradeN/A
Inside Diameter1.178"
Outside Diameter3.754"
Cross Section0.128"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Buna-N O-ring is meticulously crafted from Titanium Grade 5, a material renowned for its exceptional strength-to-weight ratio, superior corrosion resistance, and biocompatibility. The precise dimensions, including an inside diameter of 1.178 inches, an outside diameter of 3.754 inches, and a cross-section of 0.128 inches, guarantee a precise fit and optimal sealing performance in high-pressure and extreme temperature applications. Its inherent chemical inertness makes it suitable for environments where conventional elastomers would degrade.

🧊 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 and O-ring are clean and free from contaminants. 2. Carefully inspect the O-ring for any defects before installation. 3. Gently compress the O-ring and insert it into the designated groove, avoiding any stretching or twisting.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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
Overtightening fasteners, leading to excessive squeeze and premature failure.Apply torque according to manufacturer specifications, ensuring proper compression without over-stressing the O-ring.
Using sharp or abrasive tools during installation, causing nicks or cuts.Employ only non-metallic, rounded installation tools and ensure all mating surfaces are smooth.

Common Applications

  • Aerospace fluid systems
  • Medical device seals
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Verify material compatibility with the specific fluid or gas being sealed.
  • Avoid exposure to temperatures exceeding the service limits of Buna-N and Titanium Grade 5.

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, Medical device seals, Chemical processing equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.178"CS = 0.128"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.