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Buna-N Industrial O-Ring | 316 SS | 9.217" ID

Expert Overview

This industrial O-ring, crafted from high-grade Buna-N and a durable 316 stainless steel housing, offers exceptional sealing performance. Engineered for resilience, it ensures reliable containment in critical applications.

StandardASTM A106
Material316 Stainless Steel
FinishGalvanized
GradeN/A
Inside Diameter9.217"
Outside Diameter10.644"
Cross Section0.179"

Detailed Engineering Specifications

Specified by design engineers worldwide, this O-ring features a precise 9.217" inside diameter, 10.644" outside diameter, and a robust 0.179" cross-section. The Buna-N elastomer provides excellent resistance to oils, fuels, and many hydraulic fluids, while the 316 stainless steel construction ensures superior corrosion resistance in harsh chemical and marine environments. Its tight tolerances guarantee a secure and leak-free seal under pressure and temperature fluctuations.

🧊 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 surfaces are clean, dry, and free from debris. 2. Carefully position the O-ring within the designated groove, avoiding stretching or twisting. 3. Apply moderate, even pressure to seat the O-ring fully into the groove before assembling the mating component.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 O-ring extrusion or damage.
Using incompatible lubricants or cleaning agents.Consult material compatibility charts to ensure lubricants and cleaning agents do not degrade Buna-N or 316 stainless steel.

Common Applications

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

⚠️ Engineering Warnings

  • Not suitable for high-temperature steam or ozone exposure.
  • Avoid exposure to strong oxidizing agents.

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 and pneumatic systems, Automotive and aerospace fluid power, Chemical processing equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.217"CS = 0.179"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.