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Industrial O-Ring, Buna-N | 316 Stainless Steel | 8.477" ID

Expert Overview

This industrial O-ring features a Buna-N sealing element housed within a robust 316 stainless steel casing. Designed for high-pressure, corrosive applications, it ensures reliable fluid containment and system integrity.

StandardISO 9001
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Diameter8.477"
Outside Diameter2.213"
Cross Section0.129"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this industrial O-ring boasts an inside diameter of 8.477 inches, an outside diameter of 2.213 inches, and a cross-section of 0.129 inches. The Buna-N material offers excellent resistance to oils, fuels, and many hydraulic fluids, while the 316 stainless steel housing provides superior corrosion resistance in aggressive chemical and marine environments. This combination makes it ideal for static and dynamic sealing applications in pumps, valves, and hydraulic systems where long-term performance and durability are critical.

🧊 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 mating grooves are clean and free of debris. 2. Carefully position the O-ring within the designated groove, avoiding any twisting or stretching. 3. Apply a light coat of compatible lubricant if necessary to facilitate insertion and prevent damage during assembly.

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
Overtightening fasteners, crushing the O-ring.Adhere to specified torque values for all fasteners to prevent over-compression and extrusion of the seal.
Using incompatible lubricants or cleaning agents.Consult material compatibility charts to ensure lubricants and cleaning agents do not degrade the Buna-N element or stainless steel housing.

Common Applications

  • Hydraulic Systems
  • Automotive Seals
  • Chemical Processing Equipment

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents or polar solvents.
  • Ensure operating temperature remains within the specified range for Buna-N to maintain sealing performance.

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, Automotive Seals, Chemical Processing Equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.477"CS = 0.129"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.