Polyurethane E4 Seals | Abrasion-Resistant Y-Ring for Hydraulic &
Pneumatic Cylinders
Product Overview
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
Technical Specifications
| 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 |
Applications
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.
Why Choose E4 Y-Ring Seals?
Superior Material Properties
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
Advanced Engineering Design
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
Quality Assurance
Batch Consistency - Strict quality control ensures reliable
performance
Material Traceability - Full documentation for quality assurance
Performance Testing - Validated under simulated operating
conditions
Installation Guidelines
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
Product Actual Photos
