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Reducing valves

Sun Hydraulics Reducing and reducing/relieving cartridges are available in different versions and can be conveniently applied using many mounting options.

- Functionally interchangeable with one another (same flow path, same cavity for a given frame size)
- Five sizes, flow rates up to 80 gpm (320 L/min.)
- Fully adjustable up to and including 4500 psi (315 bar) with inlet pressures up to 5000 psi (350 bar) (except air piloted versions)
- Reducing/relieving cartridges are offered in both three- and four-port configurations
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Modell
Cavity
Nominal capacity
Reducing valve
3 ports, pilot operated reducer 2-way
Manufacturer: Sun Hydraulics
T-163A
5 gpm (20 lpm)
T-11A
10 gpm (40 lpm)
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, pilot operated reducer 2-way drilled orifice direct in main spool
Manufacturer: Sun Hydraulics
T-11A
10 gpm (40 lpm)
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, pilot operated reducer, air controlled 2-way
Manufacturer: Sun Hydraulics
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, direct acting reducer 2-way
Manufacturer: Sun Hydraulics
T-163A
5 gpm (20 lpm)
T-11A
10 gpm (40 lpm)
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, reducer main stage 2-way
Manufacturer: Sun Hydraulics
T-11A
10 gpm (40 lpm)
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, pilot operated reducing/relieving 3-way
Manufacturer: Sun Hydraulics
T-11A
10 gpm (40 lpm)
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, pilot operated reducing/relieving 3-way orifice direct drilled in piston
Manufacturer: Sun Hydraulics
T-11A
10 gpm (40 lpm)
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, pilot operated reducing/relieving, air controlled 3-way
Manufacturer: Sun Hydraulics
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, direct acting reducing/relieving 3-way
Manufacturer: Sun Hydraulics
T-163A
5 gpm (20 lpm)
T-11A
10 gpm (40 lpm)
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, direct acting reducing/relieving - open transition 3-way
Manufacturer: Sun Hydraulics
T-163A
5 gpm (20 lpm)
T-11A
10 gpm (40 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
4 ports, pilot operated reducing/relieving, externally drained 3-way
Manufacturer: Sun Hydraulics
T-21A
10 gpm (40 lpm)
T-22A
20 gpm (80 lpm)
T-23A
40 gpm (160 lpm)
T-24A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
4 ports, pilot operated reducing/relieving, ventable 3-way
Manufacturer: Sun Hydraulics
T-21A
10 gpm (40 lpm)
T-22A
20 gpm (80 lpm)
T-23A
40 gpm (160 lpm)
T-24A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
4 ports, pilot operated reducing/relieving, externally drained 3-way orifice direct drilled in piston
Manufacturer: Sun Hydraulics
T-21A
10 gpm (40 lpm)
T-22A
20 gpm (80 lpm)
T-23A
40 gpm (160 lpm)
T-24A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
4 ports, direct acting reducing/relieving, externally drained 3-way
Manufacturer: Sun Hydraulics
T-21A
10 gpm (40 lpm)
T-22A
20 gpm (80 lpm)
T-23A
40 gpm (160 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
4 ports, direct acting reducing/relieving, main stage 3-way real 0-pressure, high accuracy
Manufacturer: Sun Hydraulics
T-21A
10 gpm (40 lpm)
T-22A
20 gpm (80 lpm)
T-23A
40 gpm (160 lpm)
T-24A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, electro-proportioneal direct acting, low leakage 3-way
Manufacturer: Sun Hydraulics
T-11A
5 gpm (20 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, electro-proportional direct acting, low leakage, inverse function 3-way
Manufacturer: Sun Hydraulics
T-11A
5 gpm (20 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, electro-proportioneal direct acting, improved dynamic response 3-way
Manufacturer: Sun Hydraulics
T-11A
5 gpm (20 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, electro-proportioneal direct acting, improved dynamic response inverse function 3-way
Manufacturer: Sun Hydraulics
T-11A
5 gpm (20 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, reducing/relieving main stage with integral T-8A pilot control 3-way
Manufacturer: Sun Hydraulics
T-11A
10 gpm (40 lpm)
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, reducing/relieving main stage with integral T-8A pilot control 3-way driller pilot orifice direct in mail spool
Manufacturer: Sun Hydraulics
T-11A
10 gpm (40 lpm)
T-2A
20 gpm (80 lpm)
T-17A
40 gpm (160 lpm)
T-19A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
3 ports, reducing/relieving main stage with integral T-8A pilot control improved dynamic response 3-way
Manufacturer: Sun Hydraulics
T-11A
10 gpm (40 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
4 ports, reducing/relieving main stage with integral T-8A pilot control externally drained 3-way
Manufacturer: Sun Hydraulics
T-21A
10 gpm (40 lpm)
T-22A
20 gpm (80 lpm)
T-23A
40 gpm (160 lpm)
T-24A
80 gpm (320 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
4 ports, reducing/relieving main stage with integral T-8A pilot control externally drained improved dynamic response 3-way
Manufacturer: Sun Hydraulics
T-23A
40 gpm (160 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
4 ports, reducing/relieving direct acting low leakage externally drained 3-way
Manufacturer: Sun Hydraulics
T-21A
5 gpm (20 lpm)
Modell
Cavity
Nominal capacity
Reducing valve
4 ports, reducing/relieving direct acting improved dynamic response externally drained 3-way
Manufacturer: Sun Hydraulics
T-21A
5 gpm (20 lpm)