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PROFESSIONAL ENGINEERING SOLUTIONS

Professional O-Ring
Industrial Rubber Seals & Gaskets Manufacturing Solutions

As a professional O-ring manufacturer, we specialize in custom manufacturing solutions from FFKM perfluoroelastomers to standard industrial rubber seals and gaskets. Our manufacturer direct pricing and technical expertise help Fortune 500 companies achieve reliable industrial rubber sealing performance. Get manufacturer quotes with professional engineering support for industrial rubber seals and gaskets applications.

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Quality Improvement
Professional design support
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600°F+ Temperature
FFKM extreme performance
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Direct Manufacturer
O-ring manufacturer pricing
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1-3 Day Stock Shipping
Common materials in stock
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🔍 Intelligent O-Ring Search

4,541
O-Ring Sizes
AS568
Standards
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Fast Response
50+
Materials Available
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Raw Material Traceability
Quality brand material sourcing
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Fast Stock Delivery
1-3 days for stock materials
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Quality Controlled
Specification guaranteed
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100% Guarantee
Performance or money back

What is an O-Ring? Complete Guide

O ring seals (also written as o-ring or o rings) are circular rubber sealing components with a round cross-section designed to create reliable seals when compressed between two surfaces. These industrial rubber seals and gaskets are engineered to prevent fluid and gas leakage in both static and dynamic applications across diverse industrial sectors.

Understanding O-Ring Design & Industrial Applications

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Design Structure

O-rings feature a circular cross-section profile that creates effective sealing through controlled compression. These industrial rubber seals are designed with precise diameter-to-thickness ratios following AS568 standards, ensuring optimal sealing performance when properly seated in groove assemblies. The round profile allows uniform stress distribution during compression.

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Sealing Mechanism

When compressed between 15-25%, industrial rubber gaskets create positive seals by conforming to surface irregularities. This compression generates sufficient contact pressure to prevent fluid or gas leakage. Static seals remain stationary, while dynamic seals accommodate relative motion between sealed surfaces, requiring specialized rubber compounds and surface finishes.

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Industrial Applications

Critical sealing solutions for hydraulic cylinders, pneumatic equipment, chemical processing vessels, automotive engines, and aerospace systems. Our precision rubber gaskets serve diverse industrial sectors requiring reliable sealing performance under extreme temperatures, pressures, and chemical exposure conditions.

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Material Selection

NBR (Nitrile) rubber gaskets offer excellent oil resistance for automotive and industrial applications. Viton (FKM) provides superior high-temperature and chemical resistance for demanding environments. FFKM (perfluoroelastomer) delivers extreme performance for semiconductor, pharmaceutical, and chemical processing where standard materials fail.

Key Performance Factors for Industrial Rubber Seals

Temperature Range
Material-dependent operating limits
Chemical Compatibility
Media resistance requirements
Pressure Rating
System pressure capabilities
Installation Groove
Proper groove design critical
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O-Ring Fundamentals

An o ring is a torus-shaped rubber gasket that sits in a groove and is compressed during assembly between two or more parts, creating industrial seals at the interface for reliable sealing performance. Quality rubber gaskets ensure consistent performance in critical applications.

  • Circular cross-section design
  • Quality rubber elastomeric material construction
  • Compression sealing mechanism
  • Reusable rubber gaskets sealing solution
  • High-quality performance standards
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Ring O Rings Applications

O rings are used across industrial sectors for reliable industrial sealing in hydraulic systems, pneumatic equipment, automotive components, and aerospace applications requiring high-performance rubber seals and quality gaskets.

  • Industrial hydraulic cylinder rubber gaskets and o-ring seals
  • Automotive engine rubber o-ring seals and gaskets
  • Industrial pneumatic system rubber seals and gaskets
  • Chemical processing industrial rubber sealing gaskets

O Ring Size Chart & Standards

Standard o ring sizes follow AS568 specifications with dash numbers indicating precise dimensions. Our comprehensive size chart includes inside diameter, cross-section, and Parker equivalents.

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AS568 Standard
Dash Number System

O-Ring Manufacturing Quality Standards

As a professional o-ring manufacturer, we follow stringent quality control standards to ensure every custom o-ring meets or exceeds industry specifications.

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Precision Manufacturing

Our o-ring manufacturer capabilities include compression molding, injection molding, and custom tooling with strict quality control standards for critical sealing applications.

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Manufacturing Standards

Professional o-ring manufacturer with precision manufacturing standards and quality control processes for custom o-ring applications following AS568 specifications.

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Material Verification

Complete material traceability from raw polymer to finished o-ring. ASTM D2000 classification, shore hardness verification, and custom compound development capabilities.

Manufacturer Direct Advantages

✓ Factory Direct Pricing
✓ Custom O-Ring Tooling
✓ Rapid Prototyping (24-48hrs)
✓ Engineering Support
✓ Material Traceability
✓ Global Shipping

Partner with a trusted o-ring manufacturer for your critical sealing applications

Need Help Selecting the Right O Rings?

Our engineering team provides free technical consultation to help you choose the perfect sealing solution for your application.

Contact Engineering Team

Industrial Rubber Seals & Gaskets Applications

Professional industrial rubber seals and gaskets solutions for demanding industrial applications. Our manufactured rubber gaskets deliver reliable performance across diverse industrial sectors.

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Industrial Hydraulic Systems

High-performance industrial rubber seals and gaskets for hydraulic cylinders, pumps, and valves. Our quality rubber gaskets withstand extreme pressures and provide long-lasting industrial sealing solutions.

  • • Hydraulic cylinder rubber seals
  • • Industrial pump gaskets
  • • High-pressure rubber gaskets
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Industrial Pneumatic Equipment

Specialized industrial rubber seals for pneumatic systems requiring reliable air-tight gaskets. Our manufactured rubber gaskets ensure optimal performance in compressed air applications.

  • • Pneumatic cylinder rubber seals
  • • Air compressor gaskets
  • • Industrial pneumatic gaskets
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Chemical Processing Equipment

Chemical-resistant industrial rubber seals and gaskets for processing equipment. Our industrial rubber gaskets provide superior chemical compatibility and temperature resistance.

  • • Chemical-resistant rubber seals
  • • Process equipment gaskets
  • • Industrial chemical gaskets

Need industrial rubber seals and gaskets for your specific application? Our engineering team provides professional consultation.

Professional Engineering Services

World-class industrial rubber seals and gaskets solutions for mission-critical industrial applications with instant quote system and competitive pricing guaranteed for industrial rubber seals.

In Stock
FFKM Perfluoroelastomer O-rings - Kalrez and Chemraz high temperature seals
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FFKM Perfluoroelastomers

Ultimate o-ring chemical resistance for extreme environments. Kalrez FFKM seals, Chemraz o-ring compounds, and custom FFKM seals solutions for temperatures up to 600°F and 1900+ aggressive chemicals.

$15.00 - $85.00
Professional pricing per piece
Max Temperature: 600°F+
Chemical Resistance: 1900+ Chemicals
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48hr Turnaround
Precision custom O-ring manufacturing with quality control standards
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Custom Manufacturing

Precision rubber seals and gaskets manufacturing from prototypes to production. Custom rubber seals solutions in 25+ materials, strict quality control standards, and 48-hour rubber seals prototype turnaround for critical industrial sealing applications.

Quote Required
Custom pricing based on specs
Quality Standards: AS568 Compliant
Prototype Time: 48 Hours
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Professional Analysis
FEA analysis and O-ring design optimization - stress analysis and failure reduction
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Professional Design Services

Advanced FEA analysis and groove optimization eliminate seal failures. Professional engineering design reduces costs through professional consultation.

$300 - $1,500
Per engineering consultation
Failure Reduction: 95%+
Analysis Type: FEA Optimization
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Technical Engineering Guide

Comprehensive failure analysis, groove design calculations, material selection, and engineering solutions to eliminate sealing problems and optimize performance. Professional guidance based on 25+ years of field experience.

O-Ring Design Fundamentals & Engineering Calculations

Groove Dimension Calculations

Static Sealing Formula:
Groove Width (W) = CS + 0.003" to 0.007"
Groove Depth (D) = 0.75 × CS ± 0.002"
Corner Radius (R) = 0.015" to 0.030"
Example: 0.139" CS → W=0.142"-0.146", D=0.102"-0.106"
Dynamic Sealing Formula:
Groove Width (W) = CS + 0.005" to 0.015"
Groove Depth (D) = 0.80 × CS ± 0.002"
Lead-in Chamfer = 15° × 0.015"
Accommodates thermal expansion and lubrication film
💡 Engineering Note:
Surface Finish Requirements:
• Static seals: 32μin Ra max
• Dynamic seals: 8-16μin Ra
• Groove corners: 125μin Ra max

Material Hardness Selection

Hardness Selection Formula:
Required Hardness = 60 + (P ÷ 50)
Where P = System Pressure (PSI)
Rule of thumb for NBR/FKM in hydraulic applications
60-70 Shore A 0-100 PSI
75-80 Shore A 500-1500 PSI
85-95 Shore A 2000+ PSI
⚠️ High Pressure Considerations:
• >3000 PSI: Use backup rings
• >5000 PSI: Consider custom profiles
• Clearance gap: <0.005" for >1000 PSI

Installation Best Practices

✅ Correct Procedures:
  • Clean all surfaces thoroughly
  • Apply compatible lubricant sparingly
  • Use installation cones/sleeves
  • Check for proper seating
  • Verify no twist or pinch
❌ Common Mistakes:
  • Rolling O-ring into groove
  • Using petroleum lubricants with NBR
  • Force-fitting oversized seals
  • Installing without cleaning
  • Using damaged O-rings
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Compression Set

Mechanism: Permanent deformation under constant compression stress, typically >25% indicates failure risk.

Critical Factors:

  • Temperature exposure duration
  • Chemical environment compatibility
  • Initial compression ratio (15-25% optimal)
  • Material compound selection

Prevention: ASTM D395 testing, proper groove design, optimized material selection.

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Extrusion Damage

Mechanism: O-ring material flows into clearance gaps under differential pressure, causing nibbling or complete failure.

Critical Design Parameters:

  • Extrusion gap ≤0.005" for 70-90 durometer
  • Maximum pressure limits by material
  • Back-up ring requirements
  • Surface finish specifications

Solutions: Backup rings, harder durometer compounds, optimized groove geometry.

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Chemical Swelling

Mechanism: Elastomer absorption of chemical media causing dimensional changes and reduced mechanical properties.

Compatibility Assessment:

  • Volume swell <10% for most applications
  • ASTM D471 immersion testing protocols
  • Temperature-accelerated aging effects
  • Extractable content analysis

Material Selection: Chemical resistance charts, FFKM for aggressive media, specialty compounds.

O-Ring Manufacturer Capabilities

Professional o-ring manufacturer with complete production capabilities, custom rubber gaskets manufacturing, and certified quality control systems for demanding industrial applications. Our quality industrial rubber seals and gaskets solutions meet the highest industry standards.

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Custom Production Capabilities

Complete custom rubber gaskets manufacturing with production volumes from prototypes to millions of pieces. Our manufacturer capabilities include compression molding, injection molding, and precision tooling for high-performance industrial rubber seals and quality rubber gaskets applications.

  • ✓ Custom rubber gaskets tooling design and production
  • ✓ Quality rubber prototyping to production manufacturing
  • ✓ Multi-shot rubber molding capabilities
  • ✓ AS568 standard quality precision tolerance gaskets
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Professional Quality Standards

Professional-grade quality systems with comprehensive documentation and advanced control processes. Every production batch includes detailed material certifications and dimensional reports for critical rubber gaskets applications.

  • ✓ Professional quality assurance systems
  • ✓ FDA and USP Class VI testing protocols
  • ✓ ASTM material verification standards
  • ✓ Complete material traceability documentation
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Manufacturer Direct Support

Direct manufacturer support with custom engineering consultation, material selection guidance, and production optimization for your specific precision rubber seals and gaskets applications.

  • ✓ Custom design consultation
  • ✓ Material selection expertise
  • ✓ Production optimization
  • ✓ Application-specific testing

Material Selection Decision System

Professional rubber seals material selection based on temperature ranges, chemical environment compatibility, and cost-performance optimization. Comprehensive rubber gaskets database with 25+ quality elastomer compounds for precision rubber seals applications.

Temperature Compatibility Matrix

Material Min Temp Max Temp Cost Index
NBR (Buna-N) -40°F 250°F 1.0x
FKM (Viton) -15°F 400°F 3.5x
FFKM (Kalrez) -10°F 600°F 15.0x
Silicone (VMQ) -65°F 400°F 2.2x

Chemical Resistance Analysis

Excellent Resistance
FFKM: Acids, bases, solvents, oxidizers
FKM: Hydrocarbons, oils, fuels
EPDM: Steam, alcohols, ketones
Limited Resistance
NBR: Ozone, UV exposure
Silicone: Gasoline, oils
FKM: Amines, hot water

Application-Specific Recommendations

🏭 Semiconductor
Primary: FFKM (Kalrez 6375, 8575)
Alternative: FKM-GLT for cost optimization
Critical: Low outgassing, plasma resistance
💰 Cost savings: 25% with engineered alternatives
💊 Pharmaceutical
Primary: FFKM FDA compliant
Alternative: EPDM USP Class VI
Critical: FDA 21 CFR 177.2600, USP validation
📋 Regulatory support included
✈️ Aerospace
Primary: FKM-GLT (-65°F to 400°F)
Alternative: Silicone for low temp
Critical: AS568 specs, mil-spec compliance
🎯 Quality manufacturing processes

Custom O-Ring Manufacturing Services

As a trusted o-ring manufacturer, we provide custom o-ring manufacturing solutions with professional engineering support. Our o-ring manufacturer capabilities include rapid o-ring prototyping and flexible o-ring production for all industries.

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Custom Sizing Available

As an experienced O-ring manufacturer, we produce non-standard sizes and custom dimensions to your exact specifications. Direct manufacturer turnaround times ensure fast delivery.

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Multiple Material Options

NBR, Viton, FFKM, Silicone, EPDM, and specialty compounds for challenging applications and environments.

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Engineering Support

Technical consultation for material selection, groove design, and application-specific solutions.

Need custom O-rings or technical consultation? Get a quote today.

Get Custom Quote →

Professional Consultation Services

Professional engineering consultation and application analysis services. Our experienced materials specialists and licensed engineers provide comprehensive sealing solutions.

Complimentary Application Analysis

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Application Assessment
Comprehensive analysis of operating conditions, media compatibility, pressure/temperature requirements, and failure history review.
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Material Recommendation
Professional material selection based on chemical compatibility matrices, temperature performance curves, and cost-performance optimization.
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Design Optimization
Groove geometry analysis, compression ratio calculations, surface finish specifications, and backup ring recommendations.
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Implementation Support
Installation guidance, quality verification protocols, and ongoing technical support throughout project lifecycle.

Professional Engineering Team

🎓 Qualifications
  • Materials Science & Engineering Background
  • Licensed Professional Engineers
  • Industry Certified Specialists
  • Raw Material Quality Control
  • 25+ Years Industry Experience
📊 Track Record
  • 10,000+ Successful Projects
  • Quality Improvement Achieved
  • Cost Savings Delivered
  • 24-Hour Fast Response Time
  • 100% Customer Satisfaction

Recent Success Case

Challenge: Semiconductor fab experiencing 40% seal failure rate in aggressive plasma cleaning environment.

Solution: Switched from FKM to FFKM 6375 with optimized groove geometry and surface finish specifications.

Results: Failure rate reduced to <2%, $180K annual savings, 300% seal life extension.
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