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RS Series Ultra-High Speed PTFE Rod Seals | Precision Hydraulic Seals for Servo Systems
Engineered for demanding dynamic applications, the RS Series Piston Rod Seal delivers unmatched performance in high-speed hydraulic cylinders up to 4 m/s. Combining bronze-reinforced PTFE seals with temperature-adaptive O-rings, this solution masters extreme conditions from -30°C to +180°C while maintaining near-zero friction.
| Parameter | Specification |
|---|---|
| Working Pressure | ≤40 MPa (5,802 psi) |
| Temperature Range | -30°C to +180°C (O-ring dependent) |
| Reciprocating Speed | ≤4 m/s (157 in/s) |
| Media Compatibility | Petroleum oils, water-glycol, oil-water emulsions |
| Seal Material | Modified PTFE + 25% bronze filler |
| O-Ring Options | • NBR 70 Shore (standard) • FPM (high-temp variant) |
1. Extreme Environment Resilience
180°C Capability: FPM O-rings maintain seal integrity in foundry equipment
Low-Friction PTFE: 50% less breakaway force vs. polyurethane seals
Oil Film Control: Patented lip geometry prevents fluid starvation at 4m/s
2. Industry-Specific Solutions
Servo Cylinders: Zero stick-slip in robotic welding arms
Construction Machinery: 40 MPa shock load resistance in excavator rams
Semiconductor: USP Class VI certification for wafer scanner hydraulics
3. Material Science Innovation
PTFE+bronze composite reduces wear by 65% in abrasive emulsions
Dual O-ring options cover -30°C (arctic cranes) to 180°C (die casting machines)
Groove Requirements
Rod Diameter <30mm: Mandatory open groove design
Rod Diameter ≥30mm: Standard closed grooves acceptable
Installation Protocol
Edge Preparation: 20° chamfer on all grooves (DIN 3761 standard)
Surface Finish: Hardened rods (0.1-0.4μm Ra) with chromium/cermet coatings
Damage Prevention: Use split installation sleeves for small diameters
Ordering Reference
Standard: RS-100
Custom: RS-100 115.5 6.3
Parker Interchange: CS2036M0
Zero-Leak Guarantee: 10,000 pressure cycles at 40 MPa (ISO 10766-1 validated)
Chemical Immunity: Resists water-glycol degradation 3x longer than NBR
Speed Advantage: Only rod seal supporting 4m/s without lubrication gaps
Compliance: RoHS 3, REACH, USP Class VI (file #VC-0052)
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Hydraulic Seals,
Rod seals ,
Piston Seals,
Wiper Seals,
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