Danfoss CP208-4 Technical Information
Relief Valves Technical Information
Thermal Relief
CP208-4
OPERATION |
This is a direct-acting poppet type thermal relief valve that relieves from 1 to 2. |
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SPECIFICATIONS |
Theoretical performance |
Schematic |
DIMENSIONS mm [in]
psi |
bar |
154 SUS (33 cSt) hyd. oil @ 100° F (38° C) |
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6527 |
450 |
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5802 |
400 |
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5076 |
350 |
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4351 |
300 |
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3626 |
250 |
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2901 |
200 |
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2176 |
150 |
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1450 |
100 |
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725 |
50 |
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0 |
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L/min |
0.4 |
0.8 |
1.2 |
1.6 |
2 |
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Flow |
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US gal/min |
0.1 |
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0.2 |
0.3 |
0.4 |
0.5 |
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1 |
2 |
Specifications
Rated pressure |
415 bar [6000 psi] |
Rated flow |
1.1 l/min [0.3 US gal/min] |
Leakage |
10 drops/min @ 80% |
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of pressure setting |
Weight |
0.23 kg [0.50 lb] |
Cavity |
SDC08-2 |
Cross-sectional view
3/4-16 UNF |
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|
1.10 |
1.59 |
max. |
[27.8] |
[40.3] |
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Type E |
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adjustment |
1 |
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Type K |
2 |
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adjustment |
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h0.875 in |
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t27-34 N•m |
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[20-25 lbf•ft] |
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ORDERING INFORMATION
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CP208-4-B-4S-E-C-300 |
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Seals |
Seal kits |
Crack pressure |
B = Buna-N |
120221 |
Code x 10 = psi |
V = Viton |
120222 |
Example: 300 = 3000 psi |
Housing and ports |
Housing P/N |
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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
Adjustment ranges |
|
|
|
bar |
psi |
A = |
2-103 |
[30-1500] |
Standard |
207 |
[1000] |
B = |
7-207 |
[100-3000] |
Standard |
103 |
[1500] |
C = |
69-414 |
[1000-6000] |
Standard |
207 |
[3000] |
Adjustment options
E = External
K = Knob
RV - 6
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