DH6/10

Minimum adjustment pressure
characteristics (viscosity 36 mm 2 /s (cSt))
Pressure drop characteristics
(viscosity 36 mm 2 /s (cSt))
In the case of adjustment part fully open
Pressure (MPa)
2.5
SB (E) 30
2.0
SB (E) 20
1.5
SB (E) 10
1.0
0.5 0.6
Pressure drop amount (MPa)
In the case of check valve free flow
3.0
SB (E) 10
2.4
SB(E) 20
1.8
SB (E) 30
1.2
0 75 150 225 300 375 450
Flow rate (L/min)
0 75 150 225 300 375 450
Flow rate (L/min)
Pilot valve
The pilot valve used for the sequence valve – balance piston type is as follows.
If you need the pilot valve only, please specify “pilot valve type” and contact us.
Nominal dmension Main valve type Pilot valve type
SB
10
20
30
Internal pilotinternal drain type
Internal pilotexternal drain type
External pilotinternal drain type
External pilot,external drain type
SB10X-10-*/210-*
SB10X-10-*/210XY-*
Sequence valve – Balanced piston type pilot operated
10
Internal pilotexternal drain type
SBE10X-10-**/210-*
SBE
20
30
External pilotexternal drain type
SBE10X-10-**/210XY-*
Type indication
SB10X
Pilot relief valve
For SB10, 20, 30
Series number: 10
Shape of pressure adjusting part
1 = Handle adjustment
2 = Thread adjustment (with cap)
3 = Handle with key adjustment
Highest adjustment pressure
210 = 20.6MPa (210kgf/cm 2 )
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
Pilot, Drain system
No symbol = Internal drain
Main valve type : Internal pilot and internal drain
Internal pilot and External drain
External pilot and internal drain
XY
= External drain
Main valve type : External pilot and external drain
2-45