Danfoss RPC04 Technical Information
Pilot Operated Check Valves Technical Information
Pilot to Open RPC04
OPERATION |
This is a pilot-to-open check valve. |
SPECIFICATIONS |
Theoretical performance |
Pressure drop
26 cSt [121 SUS] hyd.oil at 50ƱC [122 ƱF] psi bar
150 10
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8 |
3-2 |
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100 |
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2-3 |
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0 |
5 |
10 |
15 |
20 |
25 |
30 l/min |
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4 |
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6 |
8 gal/min |
Schematic
Specifications
Rated pressure* |
350 bar [5075 psi] |
Rated flow at 7 bar |
20.5 l/min |
[100 psi] |
[5.4 US gal/min] |
Weight |
0.06 kg [0.13 lb] |
Pilot ratio |
3.2:1 |
Cavity |
NCS04/3 |
*Rated Pressure based on NFPA fatigue test standard (at 1 million cycles)
Note: A piston seal requires a 5 bar [72.5 psi] or greater return spring.
DIMENSIONS |
Cross-sectional view |
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mm [in] |
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22 mm |
42 |
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34-40 Nm |
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[25-30 lbf*ft] |
[1.65] |
M18 X 1.5 |
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1 |
<![if ! IE]> <![endif]>Ø 15 [Ø 0.59] |
| <![if ! IE]> <![endif]>Ø 14 [Ø0.55] |
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2 |
6 |
40.9 |
[0.24] |
[1.61] |
<![endif]>Ø 22 [Ø 0.87]
ORDERING |
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RPC04-2.5-OR-00-V |
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INFORMATION |
Pilot to Open |
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Seal Option |
Seal Kit |
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Omit = Buna-N |
230000160 |
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V = Viton |
230000450 |
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Crack Pressure |
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0.5 |
0.5 bar [7 psi] |
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2.5 |
2.5 bar [36.25 psi] |
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Code |
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Ports & Material |
Body Nomenclature |
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5 |
5 bar [72.5 psi] |
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00 |
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00 = Cartridge only |
No Housing |
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8 |
8 bar [116 psi] |
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SE1/4 |
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AL, 1/4 BSP |
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NCS04/3-SE-1/4 |
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15 |
15 bar [217.5 psi] |
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SE4S |
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AL, #4 SAE |
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NCS04/3-SE-4S |
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SE6S |
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AL, #6 SAE |
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NCS04/3-SE-6S |
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Pilot Seal Option |
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** Aluminum bodies are to be used for pressures less than 210 bar |
(3000 psi) |
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Omit |
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No seals |
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***Other housings available |
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OR |
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Seals |
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BC332375625108en-000101 • February 2020 |
PO - 6 |
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