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Industrial Silicone O-Ring - 7.125" ID / 8.315" OD - 304 SS

Expert Overview

This high-performance industrial O-ring, crafted from durable 304 stainless steel, is engineered for exceptional sealing capabilities. Its precise dimensions ensure a secure fit in critical applications, offering superior resistance and longevity.

StandardASME B18
Material304 Stainless Steel
FinishGalvanized
GradeN/A
Inside Diameter7.125"
Outside Diameter8.315"
Cross Section0.147"

Detailed Engineering Specifications

Engineered for reliability and performance, this industrial O-ring features a precise Inside Diameter of 7.125 inches, an Outside Diameter of 8.315 inches, and a Cross Section of 0.147 inches. The robust 304 stainless steel construction provides excellent corrosion resistance, high-temperature stability, and mechanical strength, making it ideal for demanding sealing applications in industries such as chemical processing, food and beverage, and pharmaceuticals where hygiene and inertness are paramount. This material choice ensures long-term seal integrity under challenging operating conditions.

🧊 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 mating groove surfaces are clean, dry, and free from debris or damage. 2. Carefully stretch the O-ring over the component or into the groove, avoiding excessive force or sharp tools that could nick or abrade the seal. 3. Verify the O-ring is properly seated and evenly distributed within the groove, ensuring no twisting or pinching.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, leading to O-ring damage.Gently stretch the O-ring and use appropriate tools, if necessary, to avoid tearing or puncturing the seal.
Installing on a dirty or damaged groove surface.Thoroughly clean and inspect the groove for any imperfections before O-ring placement.
Allowing the O-ring to twist or pinch during installation.Ensure the O-ring is seated evenly and uniformly within the groove without deformation.

Common Applications

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

⚠️ Engineering Warnings

  • Always verify chemical compatibility of silicone with the fluid or gas being sealed.
  • Avoid exposure to ozone, UV radiation, or high-energy radiation, which can degrade silicone.

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 304 Stainless Steel.

Q: What are the main applications?

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

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.125"CS = 0.147"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.