RK Series

The Edbro RK Series of multi-telescopic, double acting cylinders are used for a wide range of applications. Typical operations are ejector trailers and refuse collection vehicles.

These hydraulic cylinders are designed and manufactured exclusively by Edbro using the latest manufacturing technology and the highest performance materials to ensure optimum product quality. Every cylinder is individually tested prior to despatch.

Benefits

  • Maximised payloads with Edbro’s lightweight cylinder technology
  • Minimal servicing downtime
  • Proven reliability and unrivalled durability with a “fit & forget” product you can trust, manufactured from high performance materials

Features

  • High performance Edbro sealing system and double lip wiper seals minimise service requirements
  • Zinc alloy ram nuts and inserts provide smooth operation and maximum durability
  • Hard chromed tubes protect the cylinder even when exposed to the elements

Model Range

Tube diameter (mm) 240 213 186 160 133 111 89 70 50
Piston diameter (mm) 254 222 197 171 146 121 98 76 57
Extended                  
Thrust area (cm²) 507 387 305 230 167 115 75 45 26
Thrust @ 175 bar (t)     54 41 30 21 13 8 5
Thrust @ 150 bar 77 59 47 35 26 18 12 7 4
Retract                  
Thrust area (cm²) 54 31 33 29 28 18 13 7 6
Thrust @ 175 bar (t)     6 5 5 3 2 1 1
Thrust @ 150 bar 8 5 5 4 4 3 2 1 1
Model code MWP (bar)                
RK098 175 2-stage            
    3-stage            
RK121 175 2-stage          
    3-stage          
    4-stage          
RK146 175 2-stage          
    3-stage        
    4-stage        
    5-stage        
RK171 175 2-stage          
    3-stage        
    4-stage      
    5-stage      
    6-stage      
RK197 150 3-stage        
    4-stage      
    5-stage    
    6-stage    
    7-stage    
RK222 150 3-stage        
    4-stage      
    5-stage    
    6-stage  
    7-stage  
    8-stage  
RK254 150 6-stage  
    7-stage
    8-stage
    9-stage

RK Series ejector cylinders are available from Edbro with a range of mounting options for both the base and piston ends. Selections available include trunnion, plain eye and spherical bearings. A wide range of strokes are available on request. Please consult Edbro for individual specification details.

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Flyer
RK Series 10/2015