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Products

Relief valves
Sun Hydraulics offers many different pressure limiting and pressure regulating relief cartridges that can be conveniently applied using many mounting options. Available in 2-, 3- and 4-ports Functionally interchangeable (except pilot only versions) with valves with the same number of ports (same flow path, same cavity for a given frame size) Five sizes, flow rates up to 200 gpm (800 L/min.) Versions are available with an integral pilot control cavity that accepts Sun's T-8A pilot pressure controls - electro-proportional or pneumatic Fully adjustable up to and including 5000 psi (350 bar) (6000 psi (420 bar) intermittent) (except air piloted versions)

Symbol
Function
Description
Model
Cavity
Nominal capacity
2 port
Pilot Operated, Balanced Piston

RPCC
T-162A
12 gpm (45 lpm)

RPEC
T-10A
25 gpm (95 lpm)

RPGC
T-3A
50 gpm (200 lpm)

RPIC
T-16A
100 gpm (380 lpm)

RPKC
T-18A
200 gpm (760 lpm)
2 port
Direct Acting

RDBA
T-162A
12 gpm (45 lpm)

RDDA
T-10A
25 gpm (95 lpm)

RDFA
T-3A
50 gpm (200 lpm)

RDHA
T-16A
100 gpm (380 lpm)

RDJA
T-18A
200 gpm (760 lpm)
2 port
Non-Adjustable Direct-Acting

RDDA3
T-10A
25 gpm (95 lpm)

RDFA3
T-3A
50 gpm (200 lpm)
2 port
Direct Acting - CE marked

RDDT
T-10A
19.8 gpm (75 lpm)

RDFT
T-3A
20.8 gpm (79 lpm)
2 port
Pilot Operated, Balanced Piston, Fast Acting

RPEE
T-10A
25 gpm (95 lpm)

RPGE
T-3A
50 gpm (200 lpm)

RPIE
T-16A
100 gpm (380 lpm)

RPKE
T-18A
200 gpm (760 lpm)
2 port
Pilot Operated, Balanced Poppet

RPES
T-10A
25 gpm (95 lpm)

RPGS
T-3A
50 gpm (200 lpm)

RPIS
T-16A
100 gpm (380 lpm)

RPKS
T-18A
200 gpm (760 lpm)
2 port
Pilot Operated, Balanced Poppet Soft

RPET
T-10A
25 gpm (95 lpm)

RPGT
T-3A
50 gpm (200 lpm)

RPIT
T-16A
100 gpm (380 lpm)

RPKT
T-18A
200 gpm (760 lpm)
2 port
Pilot Relief Valve Direct operated

RBAE
T-8A
2.5 gpm (10 lpm)

RBAC
T-10A
0.25 gpm (1 lpm)

RBAA
T-3A
0.5 gpm (2 lpm)
2 port
Relief Valve Thermal relief

RBAG
T-162A
0,25 gpm (1 lpm)
2 port
Relief Valve Thermal relief flow-thru

RBAM
T-162A
0,25 gpm (1 lpm)
2 port
Kick-Down

RQCB
T-162A
12 gpm (45 lpm)

RQEB
T-10A
25 gpm (95 lpm)

RQGB
T-3A
50 gpm (200 lpm)

RQIB
T-16A
100 gpm (380 lpm)

RQKB
T-18A
200 gpm (760 lpm)
2 port
Pilot Operated, Balanced Piston, Air Controlled

RPGD
T-3A
50 gpm (200 lpm)

RPID
T-16A
100 gpm (380 lpm)

RPKD
T-18A
200 gpm (760 lpm)
3 port
Pilot Operated, Balanced Piston, Ventable

RVBA
T-163A
7.5 gpm (30 lpm)

RVCA
T-11A
15 gpm (60 lpm)

RVEA
T-2A
30 gpm (120 lpm)

RVGA
T-17A
60 gpm (240 lpm)

RVIA
T-19A
120 gpm (480 lpm)
3 port
Pilot Operated, Balanced Poppet, Ventable

RVCS
T-11A
15 gpm (60 lpm)

RVES
T-2A
25 gpm (95 lpm)

RVGS
T-17A
50 gpm (200 lpm)

RVIS
T-19A
120 gpm (480 lpm)
3 port
Pilot Operated, Balanced Poppet, Ventable, Soft

RVET
T-2A
30 gpm (120 lpm)

RVGT
T-17A
60 gpm (240 lpm)

RVIT
T-19A
120 gpm (480 lpm)
3 port
Bypass Compensator, With Relief Function

RVBB
T-163A
5 gpm (20 lpm)

RVCB
T-11A
10 gpm (40 lpm)

RVEB
T-2A
20 gpm (80 lpm)

RVGB
T-17A
40 gpm (160 lpm)

RVIB
T-19A
80 gpm (320 lpm)
4 port
Pilot Operated, Balanced Piston, Ventable With External Drain

RVCD
T-21A
15 gpm (60 lpm)

RVED
T-22A
30 gpm (120 lpm)

RVGD
T-23A
60 gpm (240 lpm)

RVID
T-24A
120 gpm (480 lpm)
2 port
Electro-Proportional Pilot stage

RBAP
T-8A
0.25 gpm (1 lpm)
2 port
Electro-Proportional, inverse function

RBAN
T-8A
0.25 gpm (1 lpm)
2 port
Relief Valve Main Stage Balanced Piston

RPEC8
T-10A
25 gpm (95 lpm)

RPGC8
T-3A
50 gpm (200 lpm)

RPIC8
T-16A
100 gpm (380 lpm)

RPKC8
T-18A
200 gpm (760 lpm)
2 port
Relief Valve Main Stage Balanced Poppet

RPGS8
T-3A
50 gpm (200 lpm)

RPIS8
T-16A
100 gpm (380 lpm)

RPKS8
T-18A
200 gpm (760 lpm)
3 port
Relief Valve Main Stage Balanced Piston

RSDC8
T-11A
15 gpm (60 lpm)

RSFC8
T-2A
30 gpm (120 lpm)

RSHC8
T-17A
60 gpm (240 lpm)

RSJC8
T-19A
120 gpm (480 lpm)
3 port
Relief Valve Main Stage Balanced Poppet

RSFS8
T-2A
30 gpm (120 lpm)

RSHS8
T-17A
60 gpm (240 lpm)

RSJS8
T-19A
120 gpm (480 lpm)
4 port
Relief Valve Main Stage Balanced Piston

RVCD8
T-21A
15 gpm (60 lpm)

RVED8
T-22A
30 gpm (120 lpm)

RVGD8
T-23A
60 gpm (240 lpm)

RVID8
T-24A
120 gpm (480 lpm)
3 port
Direct acting

HRDA
T-11A
10 gpm (40 lpm)
4 port
Normally closed, balanced piston modulating element with integral pilot control cavity

HVCA8
T-21A
10 gpm (40 lpm)
2 port
Direct acting Bidirectional

RBFA
T-3A
50 gpm (200 lpm)
4 port
Pilot operated, balanced piston, ventable

HVCA
T-21A
10 gpm (40 lpm)