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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.

Suns Pilot-open check valves

- 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).


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Modell
Cavity
Nominal capacity
Pilot operated check valve
3 ports, pilot-to-open, standard pilot, steel seat
Manufacturer: Sun Hydraulics
T-163A
7.5 gpm (30 lpm)
T-11A
15 gpm (60 lpm)
T-2A
30 gpm (120 lpm)
T-17A
60 gpm (240 lpm)
T-19A
120 gpm (480 lpm)
Modell
Cavity
Nominal capacity
Pilot operated check valve
3 ports, pilot-to-open, sealed pilot, steel seat
Manufacturer: Sun Hydraulics
T-163A
7.5 gpm (30 lpm)
T-163A insert
7.5 gpm (30 lpm)
T-11A
15 gpm (60 lpm)
T-2A
30 gpm (120 lpm)
T-17A
60 gpm (240 lpm)
T-19A
120 gpm (480 lpm)
Modell
Cavity
Nominal capacity
Pilot operated check valve
3 ports, pilot-to-open, standard pilot, steel seat, external pilot
Manufacturer: Sun Hydraulics
T-11A
15 gpm (60 lpm)
T-2A
30 gpm (120 lpm)
T-17A
60 gpm (240 lpm)
T-19A
120 gpm (480 lpm)
Modell
Cavity
Nominal capacity
Pilot operated check valve
3 ports, pilot-to-open, fixed orifice, sealed pilot, steel seat
Manufacturer: Sun Hydraulics
T-11A
15 gpm (60 lpm)
T-2A
30 gpm (120 lpm)
T-17A
60 gpm (240 lpm)
Modell
Cavity
Nominal capacity
Pilot operated check valve
3 ports, pilot-to-open, sealed pilot, steel seat, vent to air
Manufacturer: Sun Hydraulics
T-11A
15 gpm (60 lpm)
T-2A
30 gpm (120 lpm)
T-17A
60 gpm (240 lpm)
T-19A
120 gpm (480 lpm)
Modell
Cavity
Nominal capacity
Pilot operated check valve
4 ports, pilot-to-open, sealed pilot, steel seat, vented
Manufacturer: Sun Hydraulics
T-21A
15 gpm (60 lpm)
T-22A
30 gpm (120 lpm)
T-23A
60 gpm (240 lpm)
T-24A
120 gpm (480 lpm)
Modell
Cavity
Nominal capacity
Pilot operated check valve
3 ports, pilot-to-open, sealed pilot, steel seat, insert style
Manufacturer: Sun Hydraulics
T-162DP
7.5 gpm (30 lpm)
Modell
Cavity
Nominal capacity
Pilot operated check valve
3 ports, pilot-to-open, pilot 5:1, steel seat
Manufacturer: Sun Hydraulics
T-11A
10 gpm (40 lpm)