Xiamen Dezhengkai Sealing Technology Co., Ltd
Exquisite Craftsmanship, Excellent Quality, Focus On Sealing Fields.
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Polyurethane E4 Y-ring seal is a high-performance sealing solution designed for severe cylinder applications. This seal adopts an advanced Y-shaped cross-sectional structure and is made of high-quality polyurethane, providing excellent wear resistance, long service life, and reliable sealing performance under extreme working conditions.
Main Features and Advantages
Excellent Abrasion Resistance - Polyurethane material has a service life 5-10 times longer than standard NBR seals in grinding environments
Advanced Y-shaped Cross-section Design - Dual-lip structure ensures reliable sealing in both directions
Temperature Resistance - Stable and reliable performance within the range of -30°C to +80°C
Easy Installation - Self-lubricating design simplifies assembly and maintenance
| Parameter | Standard Specification |
|---|---|
| Temperature Range | -30°C to +80°C |
| Pressure Rating | 0-40 MPa |
| medium | oil-lubricated air, dry air and oil-free air |
| speed | ≤1m/s |
| material | PU |
Polyurethane E4 seals, leveraging the wear-resistant, oil-resistant, and high-elastic properties of polyurethane materials, are widely applied in hydraulic and pneumatic systems, automotive industry, industrial machinery, hydraulic engineering machinery, medical equipment, and household appliance consumer products. They are used for dynamic or static sealing to prevent leakage, dustproofing, and waterproofing.
Abrasion Resistance - Outstanding wear resistance in contaminated environments
Tear Resistance - Excellent mechanical properties prevent damage during installation
Chemical Resistance - Compatible with most hydraulic fluids and lubricants
Dual-Lip Configuration - Provides effective two-way sealing
Optimized Geometry - Ensures low friction while maintaining sealing force
Extrusion Resistance - Robust design prevents failure under high pressure
Batch Consistency - Strict quality control ensures reliable performance
Material Traceability - Full documentation for quality assurance
Performance Testing - Validated under simulated operating conditions
Clean Components - Ensure all surfaces are free from contaminants
Lubricate Properly - Use compatible lubricant for easy installation
Avoid Sharp Edges - Use installation sleeves to prevent damage
Correct Orientation - Install with lips facing the correct direction
