Danfoss CP721-3 Technical Information
Shuttle Valves Technical Information
Hot Oil Shuttle
CP721-3
OPERATION |
This valve has an internally piloted spool |
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that directs flow from the lower pressure |
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inlet, 1 or 3, to the output at 2. |
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SPECIFICATIONS |
Theoretical performance |
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psi |
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bar |
154 SUS (33 cSt) hyd. oil @ 100° F (38° C) |
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203 |
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14 |
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174 |
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12 |
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145 |
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10 |
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116 drop |
8 |
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87 |
<![if ! IE]> <![endif]>Pressure |
6 |
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58 |
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4 |
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29 |
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2 |
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0 L/min |
20 |
40 |
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60 |
80 |
100 |
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Flow |
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US gal/min |
5.3 |
10.6 |
15.9 |
21.1 |
26.4 |
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Schematic
spool overlap = C |
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spool overlap = O |
1 |
3 |
1 |
3 |
2 |
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2 |
Specifications
Rated pressure |
350 bar [5075 psi] |
Rated flow at 7 bar |
90 l/min |
[100 psi] |
[24 US gal/min] |
Leakage |
82 cm³/min [5 in³/min] @ |
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207 bar [3000 psi] |
Weight |
0.34 kg [0.75 lb] |
Cavity |
CP12-3M |
DIMENSIONS |
Cross-sectional view |
mm [in]
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h |
1.25 in |
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t |
68-75 N.m |
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1-1/16-12 UN |
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[50-55 lbf.ft] |
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1 |
2 |
3 |
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93.5 |
25.4 |
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[3.68] |
[1.00] |
ORDERING |
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INFORMATION |
CP721 - 3 - B - 12S - 100 - C |
Seals |
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Seal kit |
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B |
= Buna-N |
120098 |
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V |
= Viton |
120099 |
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Housing and ports |
Housing P/N |
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0 |
= No Housing |
No Housing |
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4B |
= AL, 1/2 BSP |
CP12-3M-4B |
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6B |
= AL, 3/4 BSP |
CP12-3M-6B |
10S |
= AL, #10 SAE |
CP12-3M-10S |
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12S |
= AL, #12 SAE |
CP12-3M-12S |
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S12S |
= Ductile, #12 SAE |
CP12-3M-S12S |
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Other housings available
Spool overlap
O = Open C = Closed
Shift pressure
bar [psi] 025 = 1.6 [25] 050 = 3.4 [50] 100 = 6.9 [100]
BC332375309103en-000101 • February 2020 |
SH - 12 |
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