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BS is a lip seal with a secondary sealing lip and tight fit at the outer diameter. Wear and dry run are largely prevented by the additional lubricant retained under the seal by the secondary lip. 
BS is mainly designed for the sealing of piston rods and plungers in heavy duty applications in mobile and stationary hydraulics. 

Technical Data: 
Pressure: CPU: 400 Bar, 
Temperature: -35  to +110
Speed: 0.5m/s 
Media: Hydraulic oils (mineral oil-based) 

Material: PU 
Hardness: 93 2 Shore A
Color: Dark Green

Insensibility against shock loads and pressure peaks
High resistance against extrusion
Sufficient lubrication due to pressure medium between the sealing lips
Suitable for hardest working conditions 
Easy installation 

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