DH6/10

Sequence valve – Direct operated type
Type indication
Sandwich type
SD=Sequence valve
CBD =Counterbalance valve
Nominal dimension
SD = 6, 10
CBD = 6
Series number: 10
Sequence valve incorporated port
A = Port A (CBDs have A only)
P = Port P
Shape of pressure adjusting part
1 = Handle adjustment
2 = Thread adjustment (with cap)
3 = Handle with key adjustment
Hydraulic symbols
Pressure adjustment range MPa (kgf/cm 2 )
Symbol
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 Without check valve
C
Types with a check valve
Pilot, Drain system
Y = Internal pilot and external drain
Nominal dimension
6 10
0 to 2.5 (0 to 25) 0.2 to 2.5 (2 to 25)
0 to 7.4 (0 to 75) 0.4 to 7.4 (4 to 75)
2.9 to 14.7 (30 to 150) 1.0 to 14.7 (10 to 150)
3.4 to 20.6 (35 to 210) 1.0 to 20.6 (10 to 210)
S-SD6-10-A*/*Y S-SD6-10-A*/*YC S-SD6-10-P*/*Y S-CBD6-10-A*/*Y
Sequence valve – Direct operated type
S-SD10-10-A*/*Y
S-SD10-10-A*/*YC
S-SD10-10-P*/*Y
(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.
4-12