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With 5 parts design our KDAS compact seals are used as piston seal for double acting cylinders at maximum 400 bar.          
KDAS has a NBR ring, having 3 sealing lips, in the middle; 2 polyester elastomer back-up rings used for decreasing permissible gap in both sides; 2 POM rings as guide besides them.  As seen in the design, sealing operation is carried out by NBR ring.            

Technical Data      
Pressure:  400 Bar      
Temperature: -35  to +105      
Speed:  0.5m/s       
Media: Hydraulic oils (mineral oil-based)       
Material: Profile seal: NBR / Back-up ring: polyester elastomer / Guider ring: POM      
Color: Profile seal: Black / Back-up ring: Blue / Guider ring: Black      
Good sealing effect, also suitable for holding cylinders      
Insensibility against shock loads and pressure peaks      
Capable of installation in closed grooves ofr reduced machining costs      
Easy installation      

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