Danfoss CP128-1 Technical Information
Shuttle Valves Technical Information
15
10
68
n
1
3
2
6.0
[0.24]
41.9
[1.65]
Ø 14.3
[Ø 0.56]
Ø 15.9
[Ø 0.62]
Ø 22.0
[Ø 0.87]
1.0
[0.04]
1
3
2
3/4-16 UNF
27-34 Nm [20-25 lbf*ft]
22 mm [0.866 in]
Load Shuttle Valve - Normal Direction
CP128-1
OPERATION
SPECIFICATIONS
DIMENSIONS
mm [in]
This valve senses the higher of the two
input pressures at ports 1 and 3 and
routes it to the output port 2.
Theoretical performance
Pressure drop
26 cSt [121 SUS] hyd.oil at 50ƱC [122 ƱF]
psi
bar
0
10
3-2
1-2
15 20 25 30
4
gal/mi
50
8
0
6
4
2
0
0
5
10
0
2
Cross-sectional view
l/min
Schematic
Specications
Rated pressure* 315 bar [4570 psi]
Rated ow at 7 bar
[100 psi]
Leakage 6 drops/min @
Weight 0.06 kg [0.14 lb]
Cavity SDC08-3
*Rated pressure based on NFPA fatigue test
standard (at 1 million cycles)
22 l/min
[5.8 US gal/min]
Rated pressure
ORDERING
INFORMATION
Load Shuttle Valve
BC332375309103en-000101 • February 2020
Normal Direction
CP128-1-B-0
Seal Option Seal kit
120238
120239
B = Buna-N
V = Viton
Code
Ports & Material
0 = Cartridge only
0
SE2B
AL, 1/4 BSP
SE3B
AL, 3/8 BSP SDC08-3-SE-3B
AL, #4 SAE CP08-3-4S
4S
6S
**Aluminum bodies to be used for pressures less than 210 bar (3000 psi)
***Other housings available
Body Nomenclature
No Body
SDC08-3-SE-2B
CP08-3-6SAL, #6 SAE
SH - 5
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