Logic Elements Technical Information
Spool Type
CP703-2
OPERATION
The CP703-2 is a 20-size, normally closed, vent-to-open, springbiased differential-sensing logic element. It will modulate flow from 1 to 2 based on the spring control pressure, inlet pressure at port 1, and pilot pressure at port 3.
APPLICATION
Common applications include: pump unloading, pilot-operated relief valve (mechanical or proportional), sequence valve
and selector circuit. Effective use of logic elements is a key to designing cost-effective circuits, and is limited only by the imagination of the designer.
SPECIFICATION |
SCHEMATIC |
|
Rated pressure |
210 bar [3045 psi] |
|
Rated flow at 7 bar |
340 l/min |
2 |
[100 psi] |
[90 US gal/min] |
|
Weight |
1.18 kg [2.60 lb] |
|
Cavity |
CP20-3S |
3 |
|
|
1 |
PERFORMANCE CURVE |
|
Theoretical performance |
|
|
|
|||||||||||||
|
|
|
|
|
|
|
Pressure drop |
|
|
|
|
|
|
|
||||
psi |
|
bar |
33 cSt [154 SUS] hyd.oil at 38°C [100 °F] |
|
|
|
||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||
160 |
|
10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
140 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
120 |
|
8 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
100 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
80 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
60 |
|
4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
40 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2 |
|
|
|
|
|
|
|
1 |
|
|
2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
20 |
|
|
|
|
|
|
|
FULLY OPENED |
|
|
Flow |
|||||||
|
|
|
|
|
|
|
|
|
|
|||||||||
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
80 |
160 |
240 |
|
320 |
|
|
400 L/min |
||||||||
|
|
|
|
|
|
|
|
|||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
|
0 |
20 |
40 |
60 |
|
|
80 |
|
|
100 US gal/min |
BC332375783111en-000101 • February 2020 |
LE - 39 |
Logic Elements Technical Information
Spool Type
CP703-2
DIMENSION |
Cross-sectional view |
mm [in] |
50.8
[2.00]
EXAMPLE CIRCUITS
ORDERING INFORMATION
1 5/8 - 12 UN THD. |
h 1.88 in |
|
t 217 - 231 N.m |
||
|
||
|
[160 - 170 lbf.ft] |
CP703 - 2 - B - 16S - 080
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Differential control |
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
pressure |
|
||
Seals |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bar |
[psi] |
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||
|
|
|
|
Seal kit |
|
|
|
|
|
|
|
|
|
050 |
= |
3.4 |
[50] |
||
|
B |
= Buna-N |
120380 |
|
|
|
|
|
|
|
|
|
080 |
= |
5.5 |
[80] |
|||
|
V |
= Viton |
120381 |
|
|
|
|
|
|
|
|
|
100 |
= |
6.9 |
[100] |
|||
Housing and ports |
Housing P/N |
Pilot port |
|
|
|
|
130 |
= |
9.0 |
[130] |
|||||||||
|
|
|
150 |
= 10.3 |
[150] |
||||||||||||||
|
|||||||||||||||||||
0 |
= |
No housing |
No housing |
|
|
|
|
|
|
|
|
|
|||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||
8B |
= |
AL, 1 BSP |
CP20-3S-8B/2B |
= 1/4 BSP |
|
|
|
|
|
|
|||||||||
10B |
= |
AL, 1-1/4 BSP |
CP20-3S-10B/2B |
= 1/4 BSP |
|
|
|
|
|
|
|||||||||
16S |
= |
AL, #16 SAE |
CP20-3S-16S/4S |
= #4 SAE |
|
|
|
|
|
|
|||||||||
20S |
= |
AL, #20 SAE |
CP20-3S-20S/4S |
= #4 SAE |
|
|
|
|
|
|
other housings available
BC332375783111en-000101 • February 2020 |
LE - 40 |