A: Stored in cool, dark, and dry conditions (<35°C, no ozone), it lasts 10 years.
When sourcing or servicing, always insist on genuine TOP-grade materials, follow the groove preparation guidelines, and maintain oil cleanliness. Whether you are troubleshooting a leaking excavator cylinder or designing a new press, the KA 54 REMSL TOP—when used correctly—delivers exceptional performance and durability. ka 54 remsl top
| Symptom | Likely Cause | Solution | |---------|--------------|----------| | External leakage at rest | Incorrect groove depth or seal compression | Remachine housing; replace seal | | Chunking or tearing | High pressure spikes beyond 500 bar | Install backup ring; reduce system pressure | | Hardening/cracking | Fluid temperature exceeding 125°C | Add cooler; switch to FKM version | | Spiral twisting | Uneven rod extension speed (pulsation) | Optimize pump flow; check rod straightness | | Abrasion marks | Contaminated fluid (ISO 21/18 or worse) | Change filters; flush system | A: Stored in cool, dark, and dry conditions
| Feature | KA 54 REMSL TOP | Standard NBR O-Ring | Generic 54mm U-Cup | |---------|----------------|----------------------|----------------------| | Pressure rating | 350 bar dynamic | 100 bar | 200 bar | | Temperature range | -35 to +110°C | -20 to +80°C | -20 to +90°C | | Lifespan (cycles) | ~10 million | ~1 million | ~3 million | | Cost | High | Low | Medium | | Compatibility with rough rods | Good (PTFE lining) | Poor | Fair | | Symptom | Likely Cause | Solution |
| Specification | Value | |---------------|-------| | Component Type | Rod or Piston Seal | | Nominal Diameter (d) | 54 mm (Inner) | | Groove Width (L) | 8.1 mm to 9.5 mm (depending on housing) | | Cross Section | Asymmetric, with scraper lip | | Material | TPU + PTFE bronze-filled (TOP grade) | | Hardness (Shore A) | 92 ± 2 | | Max. Pressure | 450 bar (static), 350 bar (dynamic) | | Max. Speed | 0.5 m/s | | Temperature Range | -35°C to +110°C (intermittent +125°C) | | Fluid Compatibility | Mineral oils (HLP), synthetic esters, water-glycol |