Counterbalance Cartridges

As the industry leader in counterbalance solutions, Sun Hydraulics offers more than 150 standard counterbalance models in a range of capacities, pilot ratios and configurations. The proven CB** family of valves leverages a proven poppet-and-piston design suitable for most general applications and provides precise, reliable load holding and motion control at an affordable price.

995-i
  • Prevent loads from drifting
  • Control overrunning loads
  • Provide overcenter load control
  • Protect against pressure due to thermal expansion
  • Physically interchangeable with pilot-to-open check cartridges

Sun also offers LoadMatch and LoadAdaptive load-holding valves for applications where efficiency and stability are critical factors in your design.

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Symbol Description Model Capacity Cavity
 
1.5:1 pilot ratio, standard capacity counterbalance valve 1.5:1 pilot ratio, standard capacity counterbalance valve CBCB 15 gpm60 L/min. T-11A
CBEB 30 gpm120 L/min. T-2A
CBGB 60 gpm240 L/min. T-17A
CBIB 120 gpm480 L/min. T-19A
 
2:1 pilot ratio, standard capacity counterbalance valve 2:1 pilot ratio, standard capacity counterbalance valve CBCY 15 gpm60 L/min. T-11A
CBEY 30 gpm120 L/min. T-2A
CBGY 60 gpm240 L/min. T-17A
CBIY 120 gpm480 L/min. T-19A
 
2.3:1 pilot ratio, standard capacity counterbalance valve 2.3:1 pilot ratio, standard capacity counterbalance valve CBCL 15 gpm60 L/min. T-11A
CBEL 30 gpm120 L/min. T-2A
CBGL 60 gpm240 L/min. T-17A
CBIL 120 gpm480 L/min. T-19A
 
3:1 pilot ratio, standard capacity counterbalance valve 3:1 pilot ratio, standard capacity counterbalance valve CBCA 15 gpm60 L/min. T-11A
CBEA 30 gpm120 L/min. T-2A
CBGA 60 gpm240 L/min. T-17A
CBIA 120 gpm480 L/min. T-19A
 
4.5:1 pilot ratio, standard capacity counterbalance valve 4.5:1 pilot ratio, standard capacity counterbalance valve CBCG 15 gpm60 L/min. T-11A
CBEG 30 gpm120 L/min. T-2A
CBGG 60 gpm240 L/min. T-17A
CBIG 120 gpm480 L/min. T-19A
 
10:1 pilot ratio, standard capacity counterbalance valve 10:1 pilot ratio, standard capacity counterbalance valve CBCH 15 gpm60 L/min. T-11A
CBEH 30 gpm120 L/min. T-2A
CBGH 60 gpm240 L/min. T-17A
CBIH 120 gpm480 L/min. T-19A
 
1.5:1 pilot ratio, semi-restrictive counterbalance valve 1.5:1 pilot ratio, semi-restrictive counterbalance valve CBBB 10 gpm40 L/min. T-11A
CBDB 20 gpm80 L/min. T-2A
CBFB 40 gpm160 L/min. T-17A
 
2.3:1 pilot ratio, semi-restrictive counterbalance valve 2.3:1 pilot ratio, semi-restrictive counterbalance valve CBBL 10 gpm40 L/min. T-11A
CBDL 20 gpm80 L/min. T-2A
CBFL 40 gpm160 L/min. T-17A
 
3:1 pilot ratio, semi-restrictive counterbalance valve 3:1 pilot ratio, semi-restrictive counterbalance valve CBBC 10 gpm40 L/min. T-11A
CBDC 20 gpm80 L/min. T-2A
CBFC 40 gpm160 L/min. T-17A
 
4.5:1 pilot ratio, semi-restrictive counterbalance valve 4.5:1 pilot ratio, semi-restrictive counterbalance valve CBBD 10 gpm40 L/min. T-11A
CBDD 20 gpm80 L/min. T-2A
CBFD 40 gpm160 L/min. T-17A
 
Symbol Description Model Capacity Cavity
 
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QuickSelect™ LoadHolding Selector