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Hydraulic Selector
Simmerring® Selector
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Brands of Freudenberg Sealing Technologies
U-Cup Merkel® NRRI-9442
Hydraulic Selector
Asymmetrical
Round spring as preload element
Shortened inner lip
Tight fit on the outer diameter
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Advantages
Applications
Function
High chemical resistance
Low friction
Suitable for dry running and deficient ulbrication
Wide temperature range
No stick-slip effect
Most commonly used in the following applications:
Sealing of piston rods
Use as swivel seal
Suitable for high pressures and vacuum due to active preloading of the sealing lip
Use with one-sided pressure load
PRD() - 20240415.5
