OPERATION
SPECIFICATIONS
DIMENSIONS mm [in]
ORDERING INFORMATION
Pilot Operated Check Valves Technical Information
Reverse Pilot to Open CP453-2
This valve is a pilot-to-open check valve.
Theoretical performance
psi |
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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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free flow |
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29 |
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2 |
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pilot |
open |
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0 |
L/min |
80 |
160 |
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240 |
320 |
400 |
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Flow |
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US gal/min |
21.1 |
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105.7 |
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42.3 |
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63.4 |
84.5 |
Schematic
Specifications
Rated pressure |
210 bar [3000 psi] |
Rated flow at 7 bar |
230 l/min |
[100 psi] |
[61 US gal/min] |
Leakage |
6 drops/min @ |
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Rated pressure |
Weight |
0.66 kg [1.46 lb] |
Pilot ratio |
3:1 |
Cavity |
CP20-3S |
Note: A piston seal requires a 4.5 bar [65 psi] or greater return spring.
Cross-sectional view
1-5/8-12 UN-2A
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h 1.875 in |
1 |
t 217-231 N.m |
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[160-170 lbf.ft] |
2 |
3 |
79.5 |
16.8 |
[3.13] |
[0.66] |
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CP453 - 2 - B - 20S - 065 - 0 |
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Seals |
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Seal kit |
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Piston seals |
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B |
= Buna-N |
120380 |
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V |
= Viton |
120381 |
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0 |
= No seals |
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Housing and ports |
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Housing P/N |
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S |
= Seals included |
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0 |
= |
No Housing |
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No Housing |
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Crack |
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8B |
= |
Al, 1 BSP |
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CP20-3S-8B/2B |
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Pressure |
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10B |
= |
Al, 1-1/4 BSP |
CP20-3S-10B/2B |
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16S |
= |
Al, #16 SAE |
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CP20-3S-16S/4S |
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bar |
[psi] |
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20S |
= |
Al, #20 SAE |
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CP20-3S-20S/4S |
065 |
= 4.48 |
[65] |
Other housings available
BC332375625108en-000101 • February 2020 |
PO - 14 |