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Features | Benefits |
Double lip wiper seal design | Provides optimum contact with the rod to keep out contaminants. In addition, vents molded into the radius of the internal lip help prevent these seals from unseating themselves during operation |
Cat® U-Cup seals also feature a double lip | This design ensures uniform contact of the oil-sealing lip, helping deliver top performance and wear life. Cat U-cup seals work together with the buffer seals to optimize sealing performance while minimizing pressure buildup. |
Pressure activated buffer seals | These Cat seals exert pressure on the rod, only when necessary. And because vents provide a passage for high pressure to be relieved back into the cylinder, Cat buffer seals minimize pressure buildup, reducing U-cup failure. |
Backed by Cat® Parts warranty | Cat wiper, U-cup and buffer seals feature design improvements that enhance performance, reduce leakage and increase seal life. |