Home > Sealing > Industrial O-Ring, Silicone

Silicone O-Ring | 3.18" ID x 8.54" OD | 316 Stainless Steel

Expert Overview

This robust industrial Silicone O-Ring, constructed from premium 316 stainless steel, ensures reliable sealing in demanding environments. Engineered for exceptional durability and chemical resistance.

StandardASTM A106
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Diameter3.180"
Outside Diameter8.543"
Cross Section0.146"

Detailed Engineering Specifications

Specified by design engineers worldwide, this Silicone O-Ring boasts an Inside Diameter of 3.180 inches, an Outside Diameter of 8.543 inches, and a precise 0.146-inch cross-section. The 316 stainless steel construction offers superior corrosion resistance, making it ideal for harsh chemical and high-temperature applications, ensuring a secure and long-lasting seal against leaks in critical industrial processes.

🧊 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 the sealing groove is clean and free of debris. 2. Carefully stretch the O-ring over the smaller diameter component or into the groove, avoiding excessive force. 3. Verify proper seating and compression of the O-ring for an effective seal.

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
Using excessive force during installation, leading to nicks or tears.Gently flex or roll the O-ring into place, using appropriate lubrication if necessary.
Installing into a contaminated or damaged groove.Thoroughly clean and inspect the groove for any imperfections before O-ring installation.

Common Applications

  • Chemical Processing Equipment
  • Food and Beverage Machinery
  • Pharmaceutical Manufacturing

⚠️ Engineering Warnings

  • Avoid exposure to concentrated strong acids or bases.
  • Ensure compatibility with the specific media and operating temperatures.

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 316 Stainless Steel.

Q: What are the main applications?

A: Chemical Processing Equipment, Food and Beverage Machinery, Pharmaceutical Manufacturing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.180"CS = 0.146"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.