DHS Type Hydraulic Cylinder Wiper Ring, DH Polyurethane C-Shaped Bidirectional Sealing Ring

The DHS Type Hydraulic Cylinder Wiper Ring is a high-performance sealing component specifically engineered to provide dual protection for hydraulic cylinders. Featuring an advanced C-shaped cross-section made from premium polyurethane material, this bidirectional seal effectively excludes contaminants while maintaining perfect sealing in both stroke directions, ensuring optimal cylinder performance in the most demanding applications.

• ✅ Bidirectional Sealing - Advanced C-shape design provides effective sealing in both extending and retracting strokes
• ✅ Superior Contamination Exclusion - Wiper lip effectively removes dirt, debris, and contaminants from piston rod
• ✅ Exceptional Abrasion Resistance - Polyurethane construction offers 5-8x longer service life than standard materials
• ✅ Easy Installation - Simple press-fit design enables quick replacement and maintenance
• ✅ Temperature Resilience - Performs reliably from -35°C to +110°C in various operating conditions

• Construction Machinery - Excavators, bulldozers, crane cylinders
• Industrial Equipment - Hydraulic presses, injection molding machines
• Agricultural Machinery - Tractors, harvesters, irrigation systems
• Mining Equipment - Hydraulic roof supports, drilling rigs
• Marine Applications - Steering systems, hatch actuators
• Material Handling - Forklifts, lifting equipment, conveyor systems

• Optimized C-Shape Profile: Ensures consistent sealing force in both stroke directions
• Integrated Wiper Lip: Effectively scrapes contaminants while retaining lubrication
• Anti-Extrusion Design: Robust construction prevents failure under high pressure
• Precision Dimensions: Guaranteed fit and performance in standard gland configurations

• Premium Polyurethane Compound: Superior abrasion resistance and mechanical properties
• Hydrolytic Stability: Maintains performance in wet and humid environments
• Chemical Resistance: Compatible with most hydraulic fluids including HFA, HFB, HFC
• Aging Resistance: Withstands oxidation and environmental degradation

• 100% dimensional inspection and verification
• Material certification and traceability
• Performance testing under simulated operating conditions

1. Clean Installation Area - Ensure cylinder and gland are free from contaminants
2. Inspect Components - Verify groove dimensions and surface finish
3. Lubricate Properly - Apply compatible lubricant to seal surface
4. Careful Installation - Use appropriate tools to avoid damage during fitting
5. Verify Placement - Ensure proper seating in the gland

• Regular visual inspection during routine maintenance
• Monitor for external leakage and contamination buildup
• Replace during scheduled overhaul periods
• Maintain proper system filtration to extend seal life