HBY

HBY buffer ring is made up of high performance 93 shore A PU and POM support ring. It is used as a primary sealing element in hydraulic cylinders. Therefore, it should be absolutely used in combination with another sealing element.  It has got a structure providing solutions to many problems in hydraulic cylinders such as shock pressure, back pressure etc. 
 
 Technical Data    
 Pressure:  400 Bar    
 Temperature: -35℃  to +100℃ 
 Speed: 0.5m/s     
 Media: Hydraulic oils (mineral oil-based)     
     
 Material    
 Material: PU          Back-up ring: POM       
 Hardness: 93 2 Shore A     
 Color: Light yellow   Back-up ring: Black      
     
 Advantages    
 Unusually high wear resistance    
 Insensibility yagainst shock loads and pressure peaks    
 Low compression set    
 Increased sealing performance at zero pressure    
 Easy installation