Danfoss CP700-3 Technical Information
Logic Elements Technical Information
Spool Type
CP700-3
OPERATION
The CP700-3 is a 10-size, normally open, pilot-to-close, 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: high-ow pressure reducing valve
when using a small relief valve (like CP208-1), or a proportional
relief valve (like PRV08-DAC) as a pilot element. 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
Fully opened
SCHEMATIC
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 15.9
LE - 53
Logic Elements Technical Information
Seals
110]
[150]
[200]
Housing and po
SE3B
SE4B
Other housings available
Spool Type
CP700-3
DIMENSION
mm [in]
1
EXAMPLE CIRCUITS
Cross-sectional view
23
7/8-14 UNF
46.2
[1.82]
ht1.00 in
41-47 N.m
[30-35 lbf.ft]
19.1
[0.75]
ORDERING
INFORMATION
BC332375783111en-000101 • February 2020
CP700-3-B-8S-080
Seal kit
B=Buna-N 120027
V=Viton 120028
rtsHousing P/N
0=No Housing No Housing
= AL,3/8 BSP SDC10-3-SE-3B
= AL, 1/2 BSP SDC10-3-SE-4B
6S = AL,#6 SAE CP10-3-6S
8S = AL,#8 SAE CP10-3-8S
Differential
Control
Pressure
bar[psi]
040=2.8[40]
080=5.5[80]
110=7.6[
150=10.3
200=13.8
LE - 54
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