Key Advantages of NBR X ring
Anti-Twisting Performance
The X-shaped profile prevents spiral failure and twisting during reciprocating or rotary movement.
Lower Friction
Reduced contact surface decreases friction compared to O-rings, especially in dynamic applications.
Better Sealing Stability
Two sealing lines improve leak prevention and pressure resistance.
Quad Ring vs O-Ring Comparison
| Feature | NBR Quad Ring (X-Ring) | NBR O-Ring |
|---|---|---|
| Cross Section | Four-lobed (X-shaped) | Circular |
| Sealing Lines | Double sealing lines | Single sealing line |
| Anti-Twisting | Excellent | Moderate |
| Friction Level | Lower | Higher |
| Dynamic Applications | Highly suitable | Limited |
| Lubrication Retention | Excellent | Limited |
| Service Life | Longer | Standard |
| Cost | Slightly higher | Lower |
Structure & Working Principle Of Quad Ring
With its unique four-lip geometry, the Quad Ring provides improved sealing stability, reduced friction
Two independent sealing lines per side
Reduced twisting and rolling in dynamic motion
Unlike standard O-rings with a circular cross-section, the Quad Ring features a four-lobed (X-shaped) cross-section.
Improved lubricant retention between the sealing lips
Lower contact surface area for reduced friction
FAQ
Can Quad Rings replace O-rings directly?
Yes, in most groove designs for dynamic applications. However, groove dimensions should be checked for optimal performance.
Are Quad Rings suitable for rotary applications?
Yes, they perform better than O-rings in low-speed rotary applications due to reduced twisting.
What is the main advantage over O-rings?
The biggest advantage is anti-twisting performance and lower friction in dynamic systems.
Do Quad Rings require backup rings?
For high-pressure applications, backup rings are recommended.
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