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

316 SS Industrial O-Ring | Buna-N Seal

Expert Overview

This industrial O-ring features a durable Buna-N sealing element within a robust 316 stainless steel housing, ensuring reliable, long-lasting performance in critical sealing applications.

StandardISO 9001
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Diameter8.082"
Outside Diameter1.436"
Cross Section0.262"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this industrial O-ring is constructed with a premium Buna-N elastomer for exceptional resistance to oils, fuels, and hydraulic fluids. The supporting structure is manufactured from high-grade 316 stainless steel, providing superior corrosion resistance, mechanical strength, and a wide operating temperature range. The precise dimensions of 8.082" inside diameter, 1.436" outside diameter, and a 0.262" cross-section ensure a secure and leak-proof seal under extreme pressures and harsh environmental conditions common in chemical processing, oil and gas, and heavy machinery operations.

🧊 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, dry, and free from any burrs or debris. 2. Carefully lubricate the O-ring with a compatible lubricant to facilitate installation and prevent damage. 3. Gently place the O-ring into the groove, ensuring it is seated evenly and without 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 extrusion or tearing.Apply gentle, even pressure and utilize a lubricant to aid installation, avoiding pinching or stretching the O-ring.
Installing on a dirty or damaged groove surface, compromising the seal integrity.Thoroughly inspect and clean the groove, removing any contaminants or imperfections before installing the O-ring.

Common Applications

  • Hydraulic Systems
  • Chemical Processing Equipment
  • Automotive Engine Sealing

⚠️ Engineering Warnings

  • Ensure compatibility of the Buna-N material with the specific media being sealed.
  • Avoid exposure to ozone, UV light, and high temperatures beyond the operational limits of 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 316 Stainless Steel.

Q: What are the main applications?

A: Hydraulic Systems, Chemical Processing Equipment, Automotive Engine Sealing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.082"CS = 0.262"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.