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N 70 X 85 X 11.5 AUNI.
RU3000700-WUAQ3
UPC: 37964274
USD $18.05 /EACH
- Quantity Available: 17
- Availability: In stock
RU3 U-Cup
RU3
The U-Cup RU3 is used as a rod seal for heavy-duty conditions in mobile and industrial hydraulics. It is installed with a fixed seat at its outer diameter. The rear dynamic sealing lip improves the leakage behavior and at the same time, it prevents the entry of contaminants from the atmosphere side. Compared with the type RU2, the shorter inner lip is more flexible and can adapt better to the operating conditions and deflections of the piston rod. A lubricant trap forms between the sealing lips. This counters the stick-slip tendency and prevents dry running. At the same time the good lubrication behavior reduces wear.
Advantages:
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Good sealing effect even in pressure-free state
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Good abrasion resistance, wear-resistant
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Good lubrication film formation in the seal clearance
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Compensates deflections of the piston rod
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Low stick-slip effect
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Entry of dirt and air into the system is more or less ruled out
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Unaffected by sudden loads and high pressures
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Simple installation
Operating Conditions:
Maximum Speed: 0.5 m/s
Temperature: -30°C to 80°C (-31°F to 176°F)
Maximum Pressure: 40 MPa