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

Titanium Grade 5 Buna-N O-Ring | 2.752" ID x 3.709" OD

Expert Overview

Engineered for extreme reliability, this Buna-N O-ring features a robust Titanium Grade 5 construction. Offering superior strength and chemical resistance, it ensures a leak-proof seal in challenging industrial applications.

StandardASME B18
MaterialTitanium Grade 5
FinishGalvanized
GradeN/A
Inside Diameter2.752"
Outside Diameter3.709"
Cross Section0.195"

Detailed Engineering Specifications

A proven choice for industrial professionals, this Buna-N O-ring is manufactured from high-performance Titanium Grade 5, renowned for its exceptional strength-to-weight ratio and excellent corrosion resistance, especially in harsh chemical and high-temperature environments. With an inside diameter of 2.752 inches, an outside diameter of 3.709 inches, and a precise cross-section of 0.195 inches, it is engineered for a snug and effective seal in critical fluid and gas systems. Its material composition makes it ideal for applications requiring superior durability and long-term performance under pressure.

🧊 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. Visually inspect the O-ring and groove for debris or damage. 2. Carefully place the O-ring into its designated groove, ensuring it is not twisted. 3. Apply a thin layer of compatible lubricant to the O-ring and mating surface for easier assembly and to prevent damage.

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, which can cause O-ring extrusion or damage.Adhere to specified torque values and use a torque wrench for all fastener connections.
Using incompatible lubricants or cleaning agents that degrade the Buna-N material.Consult the material compatibility chart for Buna-N and use only recommended lubricants and cleaning solutions.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Ensure the operating temperature and chemical compatibility of Buna-N are within the specified limits for the application.
  • Avoid exposing the O-ring to UV radiation or ozone, as this can accelerate material degradation.

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, Pneumatic systems, Chemical processing equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 2.752"CS = 0.195"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.