Danfoss CP211-1 Technical Information
Relief Valves Technical Information
Direct Acting
CP211-1
OPERATION |
This is a direct acting spool-type relief valve that relieves from 1 to 2. |
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SPECIFICATIONS |
Theoretical performance |
Schematic |
psi |
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bar |
154 SUS (33 cSt) hyd. oil @ 100° F (38° C) |
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1000 |
69 |
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800 |
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56 |
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1 |
2 |
600 |
<![if ! IE]> <![endif]>drop |
42 |
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400 |
<![if ! IE]> <![endif]>Pressure |
28 |
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200 |
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14 |
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Specifications |
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Rated pressure |
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40 bar [600 psi] |
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0 |
19 |
38 |
57 |
76 |
95 |
114 |
133 |
Rated flow |
75 l/min [20 US gal/min] |
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L/min |
Leakage |
82 cm³/min [5 in³/min] @ 80% |
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Flow |
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of pressure setting |
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US gal/min |
5 |
10 |
15 |
20 |
25 |
30 |
35 |
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Weight |
0.41 kg [0.90 lb] |
Cavity CP12-2
DIMENSIONS
mm [in] |
Cross-sectional view |
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h1.25 in |
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1 1/16-12UN |
t68-75 N•m |
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[50-55 lbf•ft] |
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Type A |
Type E |
1 |
adjustment |
adjustment |
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Type F |
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Type K |
2 |
adjustment |
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adjustment |
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44.5 |
62.2 |
44.5 |
81.3 |
[1.75] |
[2.45] |
[1.75] |
[3.20] max |
ORDERING |
CP211-1-B-10S-A-C-040 |
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Crack pressure |
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INFORMATION |
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Pressure range |
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Code x 10 = psi |
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Example: 040 = 400 psi |
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A = 0-10 bar [0-150 psi] |
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B = 3.4-34 bar [50-400 psi] |
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C = 5.2-41 bar [80-600 psi] |
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Adjustment option |
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Housing and ports |
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Housing P/N |
A = Internal |
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0 |
= |
No Housing |
No Housing |
E = External |
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4B |
= |
Al, 1/2 BSP |
CP12-2-4B |
F = Tamper resistant |
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6B |
= |
Al, 3/4 BSP |
CP12-2-6B |
K = Knob |
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10S |
= |
Al, #10 SAE |
CP12-2-10S |
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12S |
= |
Al, #12 SAE |
CP12-2-12S |
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Other housings available |
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Seals |
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Seal kit |
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B = Buna-N |
120017 |
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V = Viton |
120018 |
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BC332375370104en-000101 • February 2020 |
RV - 19 |
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