TDI Rod Seals O Ring Seal

TDI Series Hybrid Piston Rod Seals | Ultra-Low Friction Hydraulic Solutions

Engineered for precision and endurance, the TDI Series Hydraulic Cylinder Rod Seal revolutionizes performance through its patented PU-PTFE hybrid construction. Combining 93° or 95° Shore polyurethane with engineered PTFE, this piston rod seal delivers industry-leading friction coefficients (≤0.03) while maintaining exceptional elasticity and 40 MPa pressure stability.

Technical Specifications

Performance Advantages

1. Material Synergy Technology

• PU Core: Provides 95% elastic recovery at -40°C (arctic equipment validated)

• PTFE Surface: Reduces stiction force by 80% for precision servo systems

• Dual Hardness: 93° Shore for shock loads • 95° Shore for high-pressure extrusion resistance

2. Critical Application Performance

• Injection Molding: Maintains ≤0.5% leakage at 100°C/40MPa (ISO 6527)

• Forklift Mast Cylinders: 3x lifespan in dusty environments vs. conventional rod seals

• Servo Presses: Eliminates stick-slip in <0.1m/s precision movements

3. Industry-Leading Efficiency

• Energy Savings: 15% reduced hydraulic power consumption (verified by TÜV Rheinland)

• Maintenance Reduction: 18-month service intervals in continuous operation

Installation & Operational Guidelines

Groove Requirements

• Surface finish: ≤Ra 0.2μm (ISO 4288)

• Edge radius: ≥0.3mm (DIN 3761)

Installation Protocol

1. Pre-Lubrication: Use phosphate-ester grease (compatible with PU/PTFE)

2. Thermal Compensation: Allow 0.1mm axial clearance per 25°C ΔT

3. Damage Prevention:

   • Avoid petroleum-based lubricants

   • Use installation cones for rods <30mm

Material Selection Guide

Industry-Specific Benefits

Construction Machinery

• Resists grit embedment in excavator stick cylinders

• 98% leakage control after 5,000hr abrasive media exposure

Semiconductor Manufacturing

• USP Class VI-certified for cleanroom hydraulics

• Zero outgassing at 10⁻⁶ mbar vacuum

Renewable Energy

• -40°C cold-start capability in wind turbine pitch systems

• 0.03 friction maintains positioning accuracy in solar trackers

Ordering Reference

• Standard: TDI-80 (80mm rod)

• Custom: TDI-80 110 5.3 (110mm OD x 5.3mm width)

• Parker Interchange: TDHF2400M

Compliance: RoHS 3 • REACH SVHC-free • ISO 3601-3