Danfoss CP221-1 Technical Information
Relief Valves Technical Information
Cross-Over
CP221-1
OPERATION |
This valve is an inline cross relief. It uses two CP201-1 differential area relief valves. |
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SPECIFICATIONS |
Theoretical performance |
Schematic |
psi |
bar |
154 SUS (33 cSt) hyd. oil @ 100° F (38° C) |
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3,626 |
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250 |
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2,901 |
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200 |
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| <![if ! IE]> <![endif]>drop |
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2,176 |
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150 |
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100 |
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1,450 |
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725 |
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50 |
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0 |
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L/min |
40 |
80 |
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120 |
160 |
200 |
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Flow |
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US gal/min |
10.6 |
21.1 |
31.7 |
42.3 |
52.8 |
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V1 |
C1 |
V2 |
C2 |
Specifications
Rated pressure |
250 bar [3600 psi] |
Rated flow |
150 l/min [40 US gal/min] |
Weight |
2.25 kg [4.95 lb] |
Cavity |
none |
DIMENSIONS
mm [in] |
Cross-sectional view |
63.5 |
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101.6 [4.00] |
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88.9 [3.50] |
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[2.50] |
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44.5 |
12.7 |
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38.9 |
[1.75] |
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[1.53] |
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[0.50] |
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25.4 |
25.4 |
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[1.00] |
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[1.00] |
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57.2 |
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C1 |
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V1 |
C1 |
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V1 |
[2.25] |
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88.9 |
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[3.50] |
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114.3 |
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11.9 |
C2 |
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[4.50] |
V2 |
C2 |
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V2 |
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[0.47] |
234.7 |
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[9.24] |
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62.7 |
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[2.47] |
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ORDERING |
CP221-1 - 16S - B - 0 - A - C - 150 |
INFORMATION |
Housings & Ports |
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Housing P/N |
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6B: 3/4 BSP, AL |
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221742 |
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8B: 1 BSP, AL |
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221690 |
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12S: |
#12 SAE, AL |
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220223 |
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16S: #16 SAE, AL |
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220222 |
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Seal Option |
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Code |
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Seal Material |
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Seal kit |
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B |
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Buna |
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120017 |
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V |
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Viton |
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120018 |
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Adjustment Option
A |
Internal |
E |
External |
F |
Tamper Resistant |
K |
Knob |
Cracking Pressure
Code x 10 = psi
Example: 150 = 1500 psi
Pressure Range
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bar |
[psi] |
A = |
7-69 |
[100-1000] |
Standard |
28 |
[400] |
B = |
17-172 |
[250-2500] |
Standard |
69 |
[1000] |
C = |
41-248 |
[500-3600] |
Standard |
103 |
[1500] |
BC332375370104en-000101 • February 2020 |
RV - 30 |
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