Logic Elements Technical Information
9
Spool Type
CP700-4
OPERATION
OPERATION
The CP700-4 is a 10-size, normally open, pilot-to-open, springbiased dierential-sensing logic element. It will modulate ow
from 2 to 1 based on the spring control pressure, outlet pressure
at port 1, and pilot pressure at port 3.
APPLICATION
Common applications include: pre-compensator for proportional
directional control or ow controls, as well as a pressure control
valve. A common application for this valve is as a pressure
compensator when applied with a xed, or adjustable orice to
create a pressure-compensated ow control. This ensures that
ow rate, and resulting actuator speed is maintained regardless
of pressure drop across the control orice. Eective use of logic
elements is a key to designing cost-eective circuits, and is limited
only by the imagination of the designer.
SPECIFICATION
Rated pressure 210 bar [3045 psi]
Rated ow at 7 bar
[100 psi]
Weight 0.13 kg [0.28 lb]
Cavity SDC10-3
40 l/min
[11 US gal/min]
PERFORMANCE CURVE
Theoretical performance
psi bar
203
174
145
116
87
58
29
154 SUS (33 cSt) hyd. oil @ 100° F (38° C)
14
12
10
8
6
Press ure drop
4
2
SCHEMATIC
Fully opened
BC332375783111en-000101 • February 2020
0
20 30 40 50 60
10L/min
2.6US gal/min
Flow
5.3 7.9 10.6 13.2 15.
LE - 43
Logic Elements Technical Information
Spool Type
CP700-4
DIMENSION
mm [in]
1
EXAMPLE CIRCUITS
Compensated Circuit Proportional Pressure Reducing
Cross-sectional view
23
7/8-14 UNF
46.2
[1.82]
19.1
[0.75]
h 1.00 in
41-47 N.m
t
[30-35 lbf.ft]
ORDERING
INFORMATION
Seals
B=Buna-N 120009
V=Viton 120010
Housing and portsHousing P/N
0=No Housing No Housing
SE3B=AL,3/8 BSP SDC10-3-SE-3B
SE4B=AL,1/2 BSP SDC10-3-SE-4B
6S = AL,#6 SAE CP10-3-6S
8S = AL,#8 SAE CP10-3-8S
Other housings available
BC332375783111en-000101 • February 2020
CP700-4-B-8S-080
Seal kit
Differential
Control
Pressure
bar[psi]
040=2.8[40]
080=5.5[80]
110=7.6[110]
150=10.3 [150]
200=13.8 [200]
LE - 44
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