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Industrial O-Ring, Buna-N, 6.997" OD, 2.206" ID

Expert Overview

This industrial O-ring, crafted from durable Buna-N, ensures superior sealing in challenging operational environments. Its precise dimensions guarantee a reliable barrier against leaks in critical systems.

StandardDIN 933
MaterialPolycarbonate
FinishPassivated
GradeN/A
Inside Diameter2.206"
Outside Diameter6.997"
Cross Section0.186"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this Buna-N O-ring offers exceptional resistance to oils, fuels, and many hydraulic fluids, making it ideal for demanding industrial settings. With an Inside Diameter of 2.206 inches, an Outside Diameter of 6.997 inches, and a Cross Section of 0.186 inches, it provides a robust seal in a wide range of equipment. The inherent resilience and temperature range of Buna-N (typically -40°F to 257°F) ensure consistent performance under pressure and varying conditions, contributing to extended service life and reduced maintenance.

🧊 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:N/A

Installation Procedure

1. Ensure the mating groove is clean, dry, and free from burrs or sharp edges. 2. Lightly lubricate the O-ring with a compatible lubricant to prevent damage during installation. 3. Carefully install the O-ring into the groove, avoiding stretching or twisting beyond its intended fit.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Installing on a dirty or damaged groove.Thoroughly clean and inspect the groove for any imperfections before installation. A clean, smooth surface is crucial for a proper seal.
Overstretching or twisting the O-ring during installation.Handle the O-ring with care. Install it without excessive elongation or rotation to maintain its structural integrity and sealing capability.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Automotive components
  • Industrial machinery

⚠️ Engineering Warnings

  • Ensure material compatibility with the specific fluid or chemical in use. Buna-N is not suitable for all applications, particularly those involving strong solvents or ozone.
  • Do not use this O-ring in applications exceeding its specified temperature or pressure 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 Polycarbonate.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic equipment, Automotive components, Industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 2.206"CS = 0.186"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.