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Silicone O-Ring | 3.511" ID x 2.021" OD | Industrial Sealing

Expert Overview

This high-performance Silicone O-Ring provides exceptional sealing in a wide range of industrial environments. Its robust material ensures longevity and reliability in critical fluid and gas containment systems.

StandardDIN 933
MaterialPolycarbonate
FinishPassivated
GradeN/A
Inside Diameter3.511"
Outside Diameter2.021"
Cross Section0.255"

Detailed Engineering Specifications

A high-performance industrial component, this Silicone O-Ring boasts an Inside Diameter (ID) of 3.511 inches, an Outside Diameter (OD) of 2.021 inches, and a Cross Section (CS) of 0.255 inches. Fabricated from premium polycarbonate-free silicone, it exhibits excellent resistance to extreme temperatures (-60°C to +200°C), UV radiation, and a broad spectrum of chemicals, including many oils and solvents. This makes it an ideal choice for applications in the food processing, medical, automotive, and aerospace industries where purity and resilience are paramount.

🧊 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 mating grooves are clean and free of debris. 2. Carefully stretch the O-ring over the component, avoiding excessive force or sharp tools. 3. Seat the O-ring squarely within its groove, ensuring no twisting or pinching.

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
Overtightening fasteners, crushing the O-ring.Torque fasteners to the recommended specification, ensuring even pressure distribution.
Using incompatible lubricants or cleaning agents that degrade silicone.Consult material compatibility charts and use only silicone-safe lubricants and cleaners.

Common Applications

  • Food and beverage processing equipment seals
  • Medical device fluid pathways
  • Automotive engine and transmission seals
  • Aerospace hydraulic and pneumatic systems
  • General industrial fluid containment

⚠️ Engineering Warnings

  • Not suitable for use with concentrated acids, bases, or certain organic solvents. Verify chemical compatibility for your specific application.
  • Avoid prolonged exposure to steam at temperatures exceeding 200°C, which can lead to accelerated degradation.

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, Silicone made from?

A: This Industrial O-Ring, Silicone is manufactured from Polycarbonate.

Q: What are the main applications?

A: Food and beverage processing equipment seals, Medical device fluid pathways, Automotive engine and transmission seals, Aerospace hydraulic and pneumatic systems, General industrial fluid containment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.511"CS = 0.255"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.