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Your supplier of hydraulic components and industrial shock absorbers

Products

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

Reducing valves and Reducing / Relieving valves

Symbol
Function
Description
Model

3D

Cavity
Nominal capacity
3-port
Pilot Operated Reducer 2-way

PBBB

CAD
T-163A
5 gpm (20 lpm)

PBDB

CAD
T-11A
10 gpm (40 lpm)

PBFB

CAD
T-2A
20 gpm (80 lpm)

PBHB

CAD
T-17A
40 gpm (160 lpm)

PBJB

CAD
T-19A
80 gpm (320 lpm)
3-port
Pilot Operated Reducer 2-way Drilled orifice direct in main spool

PBDF

CAD
T-11A
10 gpm (40 lpm)

PBFF

T-2A
20 gpm (80 lpm)

PBHF

CAD
T-17A
40 gpm (160 lpm)

PBJF

T-19A
80 gpm (320 lpm)
3-port
Pilot Operated Reducer, Air Controlled 2-way

PBFC

CAD
T-2A
20 gpm (80 lpm)

PBHC

CAD
T-17A
40 gpm (160 lpm)

PBJC

CAD
T-19A
80 gpm (320 lpm)
3-port
Direct Acting Reducer 2-way

PRBR

T-163A
5 gpm (20 lpm)

PRDR

CAD
T-11A
10 gpm (40 lpm)

PRFR

CAD
T-2A
20 gpm (80 lpm)

PRHR

CAD
T-17A
40 gpm (160 lpm)

PRJR

CAD
T-19A
80 gpm (320 lpm)
3-port
Reducer Main stage 2-way

PBDB8

CAD
T-11A
10 gpm (40 lpm)

PBFB8

CAD
T-2A
20 gpm (80 lpm)

PBHB8

CAD
T-17A
40 gpm (160 lpm)

PBJB8

CAD
T-19A
80 gpm (320 lpm)
3-port
Pilot Operated Reducing/Relieving 3-way

PPDB

CAD
T-11A
10 gpm (40 lpm)

PPFB

CAD
T-2A
20 gpm (80 lpm)

PPHB

CAD
T-17A
40 gpm (160 lpm)

PPJB

CAD
T-19A
80 gpm (320 lpm)
3-port
Pilot Operated Reducing/Relieving 3-way orifice direct drilled in piston

PPDF

CAD
T-11A
10 gpm (40 lpm)

PPFF

CAD
T-2A
20 gpm (80 lpm)

PPHF

CAD
T-17A
40 gpm (160 lpm)

PPJF

CAD
T-19A
80 gpm (320 lpm)
3-port
Pilot Operated Reducing/Relieving, Air Controlled 3-way

PPFC

CAD
T-2A
20 gpm (80 lpm)

PPHC

CAD
T-17A
40 gpm (160 lpm)

PPJC

CAD
T-19A
80 gpm (320 lpm)
3-port
Direct Acting Reducing/Relieving 3-way

PRBB

T-163A
5 gpm (20 lpm)

PRDB

CAD
T-11A
10 gpm (40 lpm)

PRFB

CAD
T-2A
20 gpm (80 lpm)

PRHB

CAD
T-17A
40 gpm (160 lpm)

PRJB

CAD
T-19A
80 gpm (320 lpm)
3-port
Direct Acting Reducing/Relieving - Open Transition 3-way

PRBC

T-163A
5 gpm (20 lpm)

PRDC

CAD
T-11A
10 gpm (40 lpm)
4-port
Pilot Operated Reducing/Relieving, Externally Drained 3-way

PVDA

CAD
T-21A
10 gpm (40 lpm)

PVFA

CAD
T-22A
20 gpm (80 lpm)

PVHA

CAD
T-23A
40 gpm (160 lpm)

PVJA

CAD
T-24A
80 gpm (320 lpm)
4-port
Pilot Operated Reducing/Relieving, Ventable 3-way

PVDB

CAD
T-21A
10 gpm (40 lpm)

PVFB

CAD
T-22A
20 gpm (80 lpm)

PVHB

CAD
T-23A
40 gpm (160 lpm)

PVJB

CAD
T-24A
80 gpm (320 lpm)
4-port
Pilot Operated Reducing/Relieving, Externally Drained 3-way orifice direct drilled in piston

PVDD

T-21A
10 gpm (40 lpm)

PVFD

CAD
T-22A
20 gpm (80 lpm)

PVHD

CAD
T-23A
40 gpm (160 lpm)

PVJD

CAD
T-24A
80 gpm (320 lpm)
4-port
Direct Acting Reducing/Relieving, Externally Drained 3-way

PSDB

CAD
T-21A
10 gpm (40 lpm)

PSFB

CAD
T-22A
20 gpm (80 lpm)

PSHB

CAD
T-23A
40 gpm (160 lpm)
4-port
Direct Acting Reducing/Relieving, Main Stage 3-way Real 0-pressure, high accuracy.

PSDT

CAD
T-21A
10 gpm (40 lpm)

PSFT

CAD
T-22A
20 gpm (80 lpm)

PSHT

CAD
T-23A
40 gpm (160 lpm)

PSJT

CAD
T-24A
80 gpm (320 lpm)
3-port
Electro-Proportioneal Direct acting Low leakage 3-way

PRDP

CAD
T-11A
5 gpm (20 lpm)
3-port
Electro-Proportioneal Direct acting Low leakage, Inverse Function 3-way

PRDN

CAD
T-11A
5 gpm (20 lpm)
3-port
Electro-Proportioneal Direct Acting, Improved Dynamic Response 3-way

PRDL

CAD
T-11A
5 gpm (20 lpm)
3-port
Electro-Proportioneal Direct Acting, Improved Dynamic Response Inverse Function 3-way

PRDM

CAD
T-11A
5 gpm (20 lpm)
3-port
Reducing/Relieving Main Stage with Integral T-8A Pilot Control 3-way

PPDB8

CAD
T-11A
10 gpm (40 lpm)

PPFB8

CAD
T-2A
20 gpm (80 lpm)

PPHB8

CAD
T-17A
40 gpm (160 lpm)

PPJB8

CAD
T-19A
80 gpm (320 lpm)
3-port
Reducing/Relieving Main Stage with Integral T-8A Pilot Control 3-way Driller pilot orifice direct in mail spool.

PPDF8

CAD
T-11A
10 gpm (40 lpm)

PPFF8

CAD
T-2A
20 gpm (80 lpm)

PPHF8

CAD
T-17A
40 gpm (160 lpm)

PPJF8

CAD
T-19A
80 gpm (320 lpm)
3-port
Reducing/Relieving Main Stage with Integral T-8A Pilot Control Improved Dynamic Response 3-way

PPDL8

CAD
T-11A
10 gpm (40 lpm)
4-port
Reducing/Relieving Main Stage with Integral T-8A Pilot Control Externally drained 3-way

PVDA8

CAD
T-21A
10 gpm (40 lpm)

PVFA8

CAD
T-22A
20 gpm (80 lpm)

PVHA8

CAD
T-23A
40 gpm (160 lpm)

PVJA8

CAD
T-24A
80 gpm (320 lpm)
4-port
Reducing/Relieving Main Stage with Integral T-8A Pilot Control Externally drained Improved Dynamic Response 3-way

PVHL8

CAD
T-23A
40 gpm (160 lpm)
4-port
Reducing/Relieving Direct Acting Low Leakage Externally drained 3-way

PSDP

CAD
T-21A
5 gpm (20 lpm)
4-port
Reducing/Relieving Direct Acting Improved Dynamic Response Externally drained 3-way

PSDL

CAD
T-21A
5 gpm (20 lpm)