UHS Hydraulic Piston Rod Seal | Premium PU Material Oil Seal for Heavy-Duty Applications

Advanced Rod Sealing Solution for Demanding Hydraulic Systems
The UHS Hydraulic Piston Rod Seal is a high-performance sealing component engineered specifically for hydraulic cylinder rods operating under extreme conditions. Manufactured from premium polyurethane (PU) material, this mechanical seal delivers exceptional wear resistance, reliable sealing performance, and extended service life in the most demanding industrial applications.

• Zero-Leakage Design: Advanced lip geometry ensures perfect sealing under varying pressures
• Heavy-Duty Construction: Robust PU material withstands harsh operating environments
• Easy Installation: Precision dimensions for simple, correct installation
• Long Service Life: 3-5x longer lifespan than conventional rod seals

• Optimized Seal Profile: Computer-designed lip configuration for optimal contact pressure
• Integrated Design: Combines primary sealing and anti-contamination functions
• Pressure-Activated: Enhanced sealing performance with increasing system pressure
• Universal Compatibility: Suitable for all common hydraulic fluids and operating conditions

• Exceptional Abrasion Resistance - Premium PU material provides superior wear characteristics
• High Pressure Capability - Rated for operating pressures up to 40 MPa
• Temperature Resilience - Stable performance from -30°C to +100°C
• Chemical Resistance - Excellent compatibility with hydraulic oils, water glycol, and HFA/HFB fluids
• Easy Maintenance - Simple replacement during cylinder overhaul
• Cost Effective - Reduced downtime and maintenance costs

• Polyurethane Excellence: Outstanding mechanical properties and tear resistance
• Hydrolytic Stability: Maintains performance in water-based fluid systems
• Aging Resistance: Superior UV, ozone, and environmental degradation resistance
• Custom Compounds: Available in various hardness grades for specific applications

• Excavators & Bulldozers - Boom, arm, and bucket cylinder rods
• Construction Machinery - Loader, grader, and compactor hydraulic systems
• Mining Equipment - Hydraulic roof supports, drilling equipment
• Agricultural Machinery - Tractor implements, harvester cylinders

• Hydraulic Presses - Stamping, molding, and forming equipment
• Injection Molding Machines - Clamping and injection unit cylinders
• Machine Tools - Hydraulic feeds and positioning systems
• Material Handling - Forklift masts, conveyor hydraulic systems

• Marine Equipment - Steering gear, winch, and hatch control systems
• Mobile Equipment - Crane, aerial platform, and utility vehicle cylinders
• Forestry Machinery - Harvester and forwarder hydraulic systems
• Energy Sector - Wind turbine pitch control, hydraulic power units

• Optimized Lip Geometry: Precision-designed sealing edge for consistent contact pressure
• Anti-Extrusion Design: Reinforced heel prevents deformation under high pressure
• Contamination Exclusion: Integrated design prevents external contaminant ingress
• Thermal Stability: Maintains sealing force across operating temperature range

• Premium Polyurethane Compound: Specially formulated for hydraulic rod sealing
• Wear-Resistant Formulation: Enhanced abrasion resistance for extended service life
• Low-Friction Surface: Reduced stick-slip and improved cylinder efficiency
• Environmental Resistance: Excellent performance in harsh operating conditions