Home > Sealing > Industrial O-Ring, Silicone

Industrial Silicone O-Ring - Brass, 7.79" ID, 7.88" OD

Expert Overview

This high-performance industrial O-ring, crafted from durable silicone and featuring brass components, ensures robust sealing in demanding environments. Its precise dimensions guarantee a secure fit and reliable performance.

StandardASME B18
MaterialBrass
FinishZinc Plated
GradeN/A
Inside Diameter7.790"
Outside Diameter7.884"
Cross Section0.155"

Detailed Engineering Specifications

Specified by design engineers worldwide, this industrial O-ring offers exceptional sealing integrity. Constructed with a high-grade silicone elastomer, it provides excellent resistance to extreme temperatures (-55°C to +230°C) and a broad spectrum of chemicals, oils, and solvents. The integrated brass fitting ensures secure mounting and enhanced structural support. With an inside diameter of 7.790 inches, an outside diameter of 7.884 inches, and a cross-section of 0.155 inches, this component meets stringent industry standards for reliable, long-term performance in critical applications.

🧊 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. Inspect the sealing groove and mating surfaces for cleanliness and damage. 2. Carefully position the O-ring within the designated groove, ensuring no twisting or stretching. 3. Apply a thin layer of compatible lubricant if recommended for the application to facilitate installation and prevent damage.

Equivalent Standards (Cross-Reference)

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

Mechanical Properties

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

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening during assembly, leading to O-ring compression set and reduced sealing effectiveness.Apply appropriate torque specifications as defined by the equipment manufacturer to avoid over-compression.
Using incompatible lubricants or cleaning agents that degrade the silicone elastomer.Consult the O-ring manufacturer's compatibility chart and use only approved lubricants and cleaning solutions.

Common Applications

  • High-temperature fluid handling systems
  • Chemical processing equipment
  • Aerospace and automotive sealing solutions

⚠️ Engineering Warnings

  • Ensure material compatibility with the specific chemical and temperature environment.
  • 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 Brass.

Q: What are the main applications?

A: High-temperature fluid handling systems, Chemical processing equipment, Aerospace and automotive sealing solutions.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.790"CS = 0.155"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.