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Industrial Buna-N O-Ring - 7.734" ID, 5.703" OD, 0.228" CS

Expert Overview

This industrial O-ring, crafted from robust Buna-N and a 304 stainless steel casing, provides exceptional sealing performance in harsh environments. Its precise dimensions ensure a secure fit for critical fluid and gas containment.

StandardASME B18
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Diameter7.734"
Outside Diameter5.703"
Cross Section0.228"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Buna-N O-ring is engineered for superior chemical resistance and operational integrity. Featuring a precise inside diameter of 7.734 inches, an outside diameter of 5.703 inches, and a 0.228-inch cross-section, it's encased in durable 304 stainless steel for enhanced strength and corrosion resistance. This combination makes it ideal for applications requiring reliable sealing against a wide range of fluids, oils, and solvents in demanding industrial settings.

🧊 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:Yes

Installation Procedure

1. Ensure the mating groove surfaces are clean and free of debris. 2. Carefully stretch the O-ring over the component, avoiding sharp tools or excessive force. 3. Seat the O-ring fully within its designated groove, verifying proper compression.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using incorrect O-ring size for the groove.Always verify the O-ring's dimensions (ID, OD, CS) against the groove specifications to ensure a proper fit and seal.
Damaging the O-ring during installation with sharp tools.Utilize specialized O-ring installation tools or lubricate the O-ring and groove with a compatible sealant to prevent tearing or nicking.

Common Applications

  • Hydraulic and pneumatic systems
  • Chemical processing equipment
  • Automotive and aerospace fluid handling

⚠️ Engineering Warnings

  • Ensure compatibility of Buna-N material with the specific media being sealed.
  • Avoid exposure to extreme temperatures beyond the material's rated limits.

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 304 Stainless Steel.

Q: What are the main applications?

A: Hydraulic and pneumatic systems, Chemical processing equipment, Automotive and aerospace fluid handling.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.734"CS = 0.228"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.