DH6/10

Pressure reducing valve – Direct operated type
S-PRD
B P A
T
B1 P1 A1 T1
■Type indication
Sandwich type
Pressure reducing valve
Nominal dimension
Series number: 10
Pressure reducing valve incorporated port
A = Port A
P = Port P
Shape of pressure adjusting part
1
2
3
=
=
=
Handle adjustment
Thread adjustment (with cap)
Handle with key adjustment
(This applies in case where the reducing valve is installed in the port A only.)
25
75
150
210
Type of hydraulic oil
No symbol Mineral based hydraulic oil
V Phosphate ester based hydraulic oil
W Fatty ester based hydraulic oil
Water-glycol based hydraulic oil
Types with/without check valve
No symbol
C
Pilot, Drain system
Y = Internal pilot and external drain
Without check valve
Types with a check valve
Pressure adjustment range MPa (kgf/cm 2 )
Nominal dimension
Symbol
6 10
0.5 to 2.5 (5 to 25) 0.5 to 2.5 (5 to 25)
2.0 to 7.4 (20 to 75) 1.0 to 7.4 (10 to 75)
6.4 to 14.7 (65 to 150) 2.0 to 14.7 (20 to 150)
7.9 to 20.6 (80 to 210) 2.0 to 20.6 (20 to 210)
●Hydraulic symbols
●S-PRD6-10-A*/*YC ●S-PRD6-10-A*/*Y ●S-PRD6-10-P*/*Y
Pressure reducing valve – Direct operated type
T 1
●S-PRD10-10-A*/*YC ●S-PRD10-10-A*/*Y ●S-PRD10-10-P*/*Y
T
T
T 1
T
T 1
P
P 1 A 1
P
A
A
P 1 A 1
B
B 1
B
B 1
(Note) P1, A1, B1 and T1 show ports on the sub-plate side while P, A, B and T show ports on the selector valve side.
T
T
T 1
T 1
T
T 1
P
P 1
P
P 1
A
A 1
A
A 1
B
B 1
B
B 1
T
T 1
T
T 1
T
T 1
P
P 1
P
P 1
A
A 1
A
A 1
B
B 1
B
B 1
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