Quad Rings & X-Rings

Expert supplier of quad rings (X-rings) in standard and custom sizes. Superior sealing performance with reduced friction and twist resistance.

Quad Ring Sealing Solutions

McDowell & Company specializes in providing quad rings (also known as X-rings) that offer superior sealing performance compared to traditional O-rings. Our precision-manufactured quad rings deliver enhanced stability and improved sealing in dynamic applications.

Quad Ring Advantages

• Four-lobed sealing design
• Reduced friction
• Superior twist resistance
• Improved stability
• Lower compression set
• Extended service life
• Better vacuum sealing
• Excellent wear resistance
• Reduced maintenance
• Cost-effective solution

Quad Ring Material Options

• Viton® fluoroelastomer
• Nitrile (Buna-N)
• EPDM
• Silicone
• Neoprene
• FDA compliant materials
• High temperature compounds
• Chemical resistant options
• Custom compounds
• Specialized blends

Quad Ring Size Range

• AS568 standard sizes
• Metric sizes
• Custom dimensions
• Large diameter capability
• Special cross-sections
• Miniature sizes
• Tolerance options
• Size matching service
• Emergency production
• Custom profiles

Quad Ring Applications

• Hydraulic systems
• Pneumatic equipment
• Automotive applications
• Aerospace systems
• Industrial machinery
• Food processing
• Medical equipment
• Chemical processing
• Mobile equipment
• Precision instruments

Quad Ring Design Features

• Four-point sealing
• Self-stabilizing profile
• Anti-roll design
• Balanced loading
• Directional flexibility
• Groove compatibility
• Standard gland designs
• Custom configurations
• Enhanced sealing force
• Improved performance

Quad Ring FAQ

How do quad rings compare to O-rings?

Quad rings provide superior stability, reduced friction, and better resistance to rolling compared to traditional O-rings.

Are quad rings interchangeable with O-rings?

Most quad rings can be used in standard O-ring grooves with proper sizing considerations.

What sizes are available for quad rings?

We offer standard AS568 sizes, metric sizes, and custom dimensions to meet your requirements.

Which industries commonly use quad rings?

Quad rings are widely used in hydraulic, pneumatic, automotive, and industrial applications where superior sealing and stability are required.

Quad Ring Quality Assurance

• Material certification
• Dimensional inspection
• Quality documentation
• Lot traceability
• Performance testing
• Compliance verification
• Surface inspection
• Packaging integrity

Quad Ring Engineering Support

• Material selection guidance
• Design optimization
• Application consulting
• Size recommendations
• Installation support
• Troubleshooting help
• Performance analysis
• Technical documentation

Contact our sales team today to discuss your quad ring requirements. With over 50 years of experience in sealing technology, we ensure you get the right solution for your application.