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Buna-N O-Ring 3.334" ID x 9.290" OD - Polycarbonate

Expert Overview

This industrial O-ring, manufactured from robust Polycarbonate, offers superior sealing in diverse environments. Its precise dimensions ensure a secure fit and reliable performance in critical applications.

StandardASTM A106
MaterialPolycarbonate
FinishBlack Oxide
GradeN/A
Inside Diameter3.334"
Outside Diameter9.290"
Cross Section0.230"

Detailed Engineering Specifications

Engineered for reliability and performance, this Buna-N O-ring features an Inside Diameter of 3.334 inches, an Outside Diameter of 9.290 inches, and a 0.230-inch Cross Section. Constructed from Polycarbonate, it exhibits excellent resistance to abrasion, moderate temperature ranges, and certain chemicals, making it suitable for hydraulic systems, pneumatic actuators, and general fluid sealing where robust mechanical properties are paramount. The material's inherent toughness contributes to extended service life under operational stress.

🧊 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 groove is clean, free of debris, and properly lubricated with a compatible lubricant. 2. Carefully stretch the O-ring over the component, avoiding excessive force or sharp tools that could cause nicks or cuts. 3. Seat the O-ring fully within the groove, ensuring it is not twisted or pinched.

Equivalent Standards (Cross-Reference)

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

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
Using the wrong lubricant, leading to material degradation.Always consult the material compatibility chart for the appropriate lubricant for Buna-N and Polycarbonate.
Forcing the O-ring into place with sharp objects, causing damage.Use a plastic or wooden installation tool and ensure the O-ring is properly sized for the groove.
Overtightening fasteners, which can lead to O-ring extrusion.Adhere to specified torque values for the assembly.

Common Applications

  • Hydraulic Systems
  • Pneumatic Actuators
  • Fluid Power Equipment

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing acids, esters, ketones, or chlorinated hydrocarbons.
  • Operating temperature limits must be strictly observed to prevent premature material failure.

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 Actuators, Fluid Power Equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.334"CS = 0.230"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.