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

Industrial Buna-N O-Ring | 316 Stainless Steel, 8.063" ID

Expert Overview

This industrial O-ring features a robust Buna-N sealing element encased in durable 316 stainless steel. Engineered for superior performance in aggressive chemical environments and extreme temperatures, ensuring reliable sealing in critical applications.

StandardISO 9001
Material316 Stainless Steel
FinishPlain
GradeN/A
Inside Diameter8.063"
Outside Diameter8.033"
Cross Section0.275"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N O-ring offers an inside diameter of 8.063 inches and an outside diameter of 8.033 inches, with a 0.275-inch cross-section. The 316 stainless steel housing provides exceptional corrosion resistance, making it ideal for use in saltwater, chemical processing, and food and beverage industries. Buna-N (Nitrile) material offers excellent resistance to oils, fuels, and hydraulic fluids, ensuring reliable sealing under pressure and temperature variations.

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

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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)16.0 - 18.0%
Nickel (Ni)10.0 - 14.0%
Molybdenum (Mo)2.0 - 3.0%

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1500°F (815°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 / SaltwaterExcellent
Chemical / AcidicGood

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, leading to O-ring damage.Apply lubricant and gentle, even pressure to seat the O-ring properly.
Incorrect O-ring size for the groove, causing leakage or premature failure.Verify the O-ring dimensions against the groove specifications before installation.

Common Applications

  • Chemical Processing Equipment
  • Hydraulic Systems
  • Marine Applications

⚠️ Engineering Warnings

  • Not suitable for applications involving strong oxidizing acids or ketones.
  • Ensure operating temperatures remain within the specified range for Buna-N to maintain sealing integrity.

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 316 Stainless Steel.

Q: What are the main applications?

A: Chemical Processing Equipment, Hydraulic Systems, Marine Applications.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.063"CS = 0.275"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.