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

Titanium Grade 5 Buna-N O-Ring | 4.257" ID x 1.155" OD

Expert Overview

This industrial O-ring, crafted from robust Buna-N and reinforced with Titanium Grade 5, offers exceptional sealing integrity in high-stress environments. Its precise dimensions ensure a secure fit and reliable performance.

StandardASME B18
MaterialTitanium Grade 5
FinishPassivated
GradeN/A
Inside Diameter4.257"
Outside Diameter1.155"
Cross Section0.160"

Detailed Engineering Specifications

Engineered for reliability and performance, this Buna-N O-ring features a precisely machined Titanium Grade 5 composition, offering superior corrosion resistance and mechanical strength. The internal diameter is 4.257 inches, the external diameter is 1.155 inches, and the cross-section measures 0.160 inches. This unique material combination makes it suitable for applications requiring resistance to aggressive chemicals, high temperatures, and extreme pressures, ensuring a leak-proof seal in critical fluid power and processing systems.

🧊 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 and free of debris. 2. Carefully lubricate the O-ring with a compatible lubricant. 3. Gently install the O-ring into the groove, avoiding stretching or twisting.

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, causing O-ring damage.Apply consistent, gentle pressure and utilize appropriate installation tools if necessary.
Installing on a contaminated or damaged sealing surface.Thoroughly clean and inspect the sealing groove for any imperfections before O-ring placement.

Common Applications

  • Hydraulic Systems
  • Chemical Processing Equipment
  • Aerospace Components

⚠️ Engineering Warnings

  • Verify material compatibility with the specific fluid or chemical being sealed.
  • Do not exceed the recommended operating temperature and pressure limits for Buna-N.

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, Chemical Processing Equipment, Aerospace Components.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 4.257"CS = 0.160"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.