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Products

Pilot operated check valves
Sun Hydraulics' pilot-to-open check cartridges are non-modulating, on-off devices used for holding a load or actuator in position. Sun pilot-to-open check cartridges can be directly integrated into your actuator or applied using manifolds with many mounting options. Offer protection against hose breaks Positively lock pressurized loads Are available in non-vented (3-port) and vented (3- and 4-port) versions Are physically interchangeable with counterbalance cartridges (same number of ports, same cavities, same flow path for a given frame size).

Symbol
Function
Description
Model
Cavity
Nominal capacity
3-port
Pilot-to-open, standard pilot, steel seat

CKBB
T-163A
7.5 gpm (30 lpm)

CKCB
T-11A
15 gpm (60 lpm)

CKEB
T-2A
30 gpm (120 lpm)

CKGB
T-17A
60 gpm (240 lpm)

CKIB
T-19A
120 gpm (480 lpm)
3-port
Pilot-to-open, sealed pilot, steel seat

CKBD
T-163A
7.5 gpm (30 lpm)

CKBG
T-163A insert
7.5 gpm (30 lpm)

CKCD
T-11A
15 gpm (60 lpm)

CKED
T-2A
30 gpm (120 lpm)

CKGD
T-17A
60 gpm (240 lpm)

CKID
T-19A
120 gpm (480 lpm)
3-port
Pilot-to-open, fixed orifice, sealed pilot, steel seat

CNCE
T-11A
15 gpm (60 lpm)

CNEE
T-2A
30 gpm (120 lpm)

CNGE
T-17A
60 gpm (240 lpm)
3-port, vent to air
Pilot-to-open, sealed pilot, steel seat

CKCV
T-11A
15 gpm (60 lpm)

CKEV
T-2A
30 gpm (120 lpm)

CKGV
T-17A
60 gpm (240 lpm)

CKIV
T-19A
120 gpm (480 lpm)
4-port vented
Pilot-to-open, sealed pilot, steel seat

CVCV
T-21A
15 gpm (60 lpm)

CVEV
T-22A
30 gpm (120 lpm)

CVGV
T-23A
60 gpm (240 lpm)

CVIV
T-24A
120 gpm (480 lpm)
3-port insert style
Pilot-to-open, sealed pilot, steel seat, insert style

CKBM
T-162DP
7.5 gpm (30 lpm)