Home | Cartridge valves | Loadholding valves | Counterbalance valves

Counterbalance valves

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.

- 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.

See guide to SUN Hydraulics counterbalance families here.
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Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, non vented, standard
Manufacturer: Sun Hydraulics
Counterbalance valve
CBCB
T-11A
1,5:1
15 gpm (60 lpm)
CBCY
T-11A
2:1
15 gpm (60 lpm)
CBCL
T-11A
2,3:1
15 gpm (60 lpm)
CBCA
T-11A
3:1
15 gpm (60 lpm)
CBCG
T-11A
4,5:1
15 gpm (60 lpm)
CBCH
T-11A
10:1
15 gpm (60 lpm)
CBEW
T-2A
1:1
30 gpm (120 lpm)
CBEB
T-2A
1,5:1
30 gpm (120 lpm)
CBEY
T-2A
2:1
30 gpm (120 lpm)
CBEL
T-2A
2,3:1
30 gpm (120 lpm)
CBEA
T-2A
3:1
30 gpm (120 lpm)
CBEJ
T-2A
3:1
30 gpm (120 lpm)
CBEG
T-2A
4,5:1
30 gpm (120 lpm)
CBEH
T-2A
10:1
30 gpm (120 lpm)
CBGB
T-17A
1,5:1
60 gpm ( 240 lpm)
CBGY
T-17A
2:1
60 gpm (240 lpm)
CBGL
T-17A
2,3:1
60 gpm (240 lpm)
CBGA
T-17A
3:1
60 gpm (240 lpm)
CBGG
T-17A
4,5:1
60 gpm (240 lpm)
CBGH
T-17A
10:1
60 gpm (240 lpm)
CBIB
T-19A
1,5:1
120 gpm (480 lpm)
CBIY
T-19A
2:1
120 gpm (480 lpm)
CBIL
T-19A
2,3:1
120 gpm (480 lpm)
CBIA
T-19A
3:1
120 gpm (480 lpm)
CBIG
T-19A
4,5:1
120 gpm (480 lpm)
CBIH
T-19A
10:1
120 gpm (480 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, non vented, semi-restrictive
Manufacturer: Sun Hydraulics
Counterbalance valve
CBBB
T-11A
1,5:1
10 gpm (40 lpm)
CBBL
T-11A
2,3:1
10 gpm (40 lpm)
CBBC
T-11A
3:1
10 gpm (40 lpm)
CBBD
T-11A
4,5:1
10 gpm (40 lpm)
CBDB
T-2A
1,5:1
20 gpm (80 lpm)
CBDL
T-2A
2,3:1
20 gpm (80 lpm)
CBDC
T-2A
3:1
20 gpm (80 lpm)
CBDD
T-2A
4,5:1
20 gpm (80 lpm)
CBFB
T-17A
1,5:1
40 gpm (160 lpm)
CBFL
T-17A
2,3:1
40 gpm (160 lpm)
CBFC
T-17A
3:1
40 gpm (160 lpm)
CBFD
T-17A
4,5:1
40 gpm (160 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, non vented, restrictive
Manufacturer: Sun Hydraulics
Counterbalance valve
CBBY
T-11A
2:1
5 gpm (20 lpm)
CBBA
T-11A
3:1
5 gpm (20 lpm)
CBBG
T-11A
4,5:1
5 gpm (20 lpm)
CBDA
T-2A
3:1
8 gpm (30 lpm)
CBDG
T-2A
4,5:1
8 gpm (30 lpm)
CBFA
T-17A
3:1
15 gpm (60 lpm)
CBFG
T-17A
4,5:1
15 gpm (60 lpm)
CBHA
T-19A
3:1
20 gpm (80 lpm)
CBHG
T-19A
4,5:1
20 gpm (80 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, non vented, ultra-restrictive
Manufacturer: Sun Hydraulics
Counterbalance valve
CBAB
T-11A
1,5:1
2,55 gpm (10 lpm)
CBAA
T-11A
3:1
2,55 gpm (10 lpm)
CBAG
T-11A
4,5:1
2,55 gpm (10 lpm)
CBAH
T-11A
10:1
2,55 gpm (10 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, non vented, fixed setting, standard
Manufacturer: Sun Hydraulics
Counterbalance valve
CBCLX
T-11A
2,3:1
15 gpm (60 lpm)
CBCAX
T-11A
3:1
15 gpm (60 lpm)
CBCGX
T-11A
4,5:1
15 gpm (60 lpm)
CBCHX
T-11A
10:1
15 gpm (60 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, non vented, fixed setting, semi-restrictive
Manufacturer: Sun Hydraulics
Counterbalance valve
CBBLX
T-11A
2,3:1
10 gpm (40 lpm)
CBBCX
T-11A
3:1
10 gpm (40 lpm)
CBBDX
T-11A
4,5:1
10 gpm (40 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, non vented, fixed setting, restrictive
Manufacturer: Sun Hydraulics
Counterbalance valve
CBBAX
T-11A
3:1
5 gpm (20 lpm)
CBBGX
T-11A
4,5:1
5 gpm (20 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, non vented, fixed setting, ultra-restrictive
Manufacturer: Sun Hydraulics
Counterbalance valve
CBABX
T-11A
1,5:1
2,5 gpm (10 lpm)
CBAAX
T-11A
3:1
2,5 gpm (10 lpm)
CBAGX
T-11A
4,5:1
2,5 gpm (10 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, atmospherically referenced, standard
Manufacturer: Sun Hydraulics
Counterbalance valve
CACK
T-11A
1:1
15 gpm (60 lpm)
CACL
T-11A
2:1
15 gpm (60 lpm)
CACA
T-11A
3:1
15 gpm (60 lpm)
CACG
T-11A
5:1
15 gpm (60 lpm)
CAEK
T-2A
1:1
30 gpm (120 lpm)
CAEL
T-2A
2:1
30 gpm (120 lpm)
CAEA
T-2A
3:1
30 gpm (120 lpm)
CAEG
T-2A
5:1
30 gpm (120 lpm)
CAGK
T-17A
1:1
60 gpm (240 lpm)
CAGL
T-17A
2:1
60 gpm (240 lpm)
CAGA
T-17A
3:1
60 gpm (240 lpm)
CAGG
T-17A
5:1
60 gpm (240 lpm)
CAIK
T-19A
1:1
120 gpm (480 lpm)
CAIL
T-19A
2:1
120 gpm (480 lpm)
CAIA
T-19A
3:1
120 gpm (480 lpm)
CAIG
T-19A
5:1
120 gpm (480 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, atmospherically referenced, semi-restrictive
Manufacturer: Sun Hydraulics
Counterbalance valve
CABK
T-11A
1:1
7,5 gpm (30 lpm)
CABG
T-11A
4,5:1
7,5 gpm (30 lpm)
CABN
T-11A
7:1
7,5 gpm (30 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
3 ports, non vented without pilot assist, standard
Manufacturer: Sun Hydraulics
Counterbalance valve
CCCA
T-11A
No pilot
15 gpm (60 lpm)
CCEA
T-2A
No pilot
30 gpm (120 lpm)
CCGA
T-17A
No pilot
60 gpm (240 lpm)
CCIA
T-19A
No pilot
120 gpm (480 lpm)
Modell
Cavity
Pilot ratio
Flow
Counterbalance valve
4 ports, vented, standard
Manufacturer: Sun Hydraulics
Counterbalance valve
CWCK
T-21A
1:1
15 gpm (60 lpm )
CWCL
T-21A
2:1
15 gpm (60 lpm)
CWCA
T-21A
3:1
15 gpm (60 lpm)
CWCG
T-21A
5:1
15 gpm (60 lpm)
CWEK
T-22A
1:1
30 gpm (120 lpm)
CWEL
T-22A
2:1
30 gpm (120 lpm)
CWEA
T-22A
3:1
30 gpm (120 lpm)
CWEG
T-22A
5:1
30 gpm (120 lpm )
CWGK
T-23A
1:1
60 gpm (240 lpm)
CWGL
T-23A
2:1
60 gpm (240 lpm)
CWGA
T-23A
3:1
60 gpm (240 lpm)
CWGG
T-23A
5:1
60 gpm (240 lpm)
CWIK
T-24A
1:1
120 gpm (480 lpm)
CWIL
T-24A
2:1
120 gpm (480 lpm)
CWIA
T-24A
3:1
120 gpm (480 lpm)
CWIG
T-24A
5:1
120 gpm (480 lpm)