Danfoss CP208-4 Technical Information
Relief Valves Technical Information
1
2
=[
CP208-4-B-4S-E-C-300
K = Knob
Thermal Relief
CP208-4
OPERATION
SPECIFICATIONS
DIMENSIONS
mm [in]
This is a direct-acting poppet type thermal relief valve that relieves from 1 to 2.
Theoretical performance Schematic
psi bar
6527
5802
5076
4351
3626
2901
2176
1450
154 SUS (33 cSt) hyd. oil @ 100° F (38° C)
450
400
350
300
250
200
150
100
50725
0
US gal/min
L/min
0.4
0.1
0.8 1.21.6 2
Flow
0.2 0.3 0.4 0.5
Specications
Rated pressure 415 bar [6000 psi]
Rated ow 1.1 l/min [0.3 US gal/min]
Leakage 10 drops/min @ 80%
of pressure setting
Weight 0.23 kg [0.50 lb]
Cavity SDC08-2
Cross-sectional view
3/4-16 UNF
1
ORDERING
INFORMATION
Housing and portsHousing P/N
0=No Housing No Housing
DG2B =Al, 1/4 BSP SDC08-2-DG-2B
DG3B =Al, 3/8 BSP SDC08-2-DG-3B
4S =Al,#4 SAE CP08-2-4S
6S =Al,#6 SAE CP08-2-6S
Other housings available
BC332375370104en-000101 • February 2020
1.10
[27.8]
1.59
[40.3]
2
ht0.875 in
27-34 N•m
[20-25 lbf•ft]
Seals Seal kits
B = Buna-N 120221
V =Viton 120222
max.
Type E
adjustment
Type K
adjustment
Crack pressure
Code x 10 = psi
Example: 300 = 3000 psi
Adjustment ranges
bar psi
A = 2-103 [30-1500]
Standard 207 [1000]
B
7-207
Standard 103 [1500]
C =69-414 [1000-6000]
Standard 207 [3000]
Adjustment options
100-3000]
E = External
RV - 6
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