BRAND Hydraulics DS DIRECTIONAL CONTROL VALVES - Manual (Page 2)

05/14
0
2
4
6
8
10
0 8 15 23 30 38 45 53 60 68 76 83 91 98
0
30
60
90
120
150
0 2 4 6 8 10 12 14 16 18 20 22 24 26
P
re
s
s
u
re
(
b
a
r)
Flow (lpm)
P
re
s
s
u
re
(
p
s
i)
Flow (gpm)
Pressure vs. Flow for Electric DS
This line represents the total
pressure drop across valve.
De-energized (Pd-Pf) + (Pb-Pc)
Energized (Pd-Pe) + (Pa-Pc)
FLOW & PRESSURE INFORMATION:
COMMON DOUBLE SELECTOR APPLICATIONS:
0
2
4
6
8
10
0 19 38 57 76 95 113
0
30
60
90
120
150
0 5 10 15 20 25 30
P
re
s
s
u
re
(
b
a
r)
Flow (lpm)
P
re
s
s
u
re
(
p
s
i)
Flow (gpm)
Pressure vs. Flow for Manual/Pilot DS
This line represents the total pressure
drop across valve. Total pressure
drop equals (Pd-Pf) + (Pb-Pc)
or (Pd-Pe) + (Pa-Pc)
Selector spool – used to
extend and retract two
separate cylinders with one
directional control valve Selector spool – used to
rotate two uni-directional
motors individually Series/Parallel spool – used to
rotate two bi-directional motors
in series or parallel with one
directional control valve Series/Parallel spool – used
to rotate two bi-directional
motors in series or parallel
with one bi-directional pump