Cat® Seals are specifically designed to handle the increasing pressures and temperatures of today’s hydraulic cylinders. To avoid poor performance or leaks use genuine Cat seals. We carry over 1,000 seals to meet all your applications needs.
Resealing your hydraulic cylinders quickly and effectively is just one of the many ways you can help lower your operating costs and improve your machine hydraulic system performance. Cat hydraulic cylinder seals can help operators and owners get maximum machine productivity at the lowest possible cost.
Type Seals:
Press-In Wiper Seals
Snap-In Wiper Seals
Snubber Seals
U-Cup Rod Seals
Buffer Seals
Head Seals
Head Wear Rings
Metal Bearing Head Wear Rings
Piston Seals
Piston Wear Rings
Better Material:
Cat hydraulic cylinder rod seals feature a proprietary urethane material that delivers improved performance over the material used in previous seals. This proprietary material provides:
Better compression set. Compression set measures a material’s ability to rebound to its original shape after compression. Cat urethane material offers up to 25% improvement in compression set capabilities over previous materials, without sacrificing tensile strength or seal hardness levels.
Wider temperature application. Cat hydraulic cylinder rod seals can work in a wider range of operating temperatures than previous designs, without seal degradation.
FEATURES
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BENEFITS
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Double lip wiper seal design
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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
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Cat® U-Cup seals also feature a double lip
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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.
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Pressure activated buffer seals
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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.
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Backed by Cat® Parts warranty
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Cat wiper, U-cup and buffer seals feature design improvements that enhance performance, reduce leakage and increase seal life.
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