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RDA-H Series is a compact, oil-free multi-stage Roots dry vacuum pump designed to deliver clean, reliable, and energy-efficient vacuum performance. Its non-contact rotor design eliminates oil contamination in the vacuum chamber while reducing maintenance requirements and extending service life. The RDA-H Series is suitable for a wide range of industrial and research applications where clean vacuum is essential.
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Model |
Unit |
RDA-281H |
RDA-501H |
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Actual pumping speed |
L/min |
280 |
500 |
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Ultimate pressure：F.A close（F.Aopen）※ |
Pa |
≦8.0 X 10-2（≦6.0） |
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Motor |
|
720W + 10W DC Motor |
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Power supplyVoltage |
Single phase |
V |
100 - 115/200 - 240 |
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Three phase |
200 - 240 |
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Full load current |
Single phase |
A |
10/5 （100 - 115V/200 - 240V） |
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|
Three phase |
5 （200 - 240V） |
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Weight |
kg |
38 |
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Inlet flange |
|
KF-25 |
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Outlet pipe diameter |
|
KF-25 |
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Ambient temperature |
℃ |
5 - 40 |
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Water capability |
g/h |
≦300 |
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External dimensions (W x L x H) |
mm |
RDA-281H : 180 X 520X 377 |
RDA-501H: 180x520x377 |
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RDA-281HA: 180X 588X 377H |
RDA-501HA: 180x520x377 |
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※：F.A＝Flush. Air
Corresponding certificate／Voltage
|
Model |
Applicable standard |
CEDeclartion of confirmity |
1Φ |
1Φ |
3Φ |
|
RDA-281H |
－ |
－ |
✓ |
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|
RDA-281HA |
cTUVus |
✓ |
✓ |
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RDA-501H |
－ |
－ |
✓ |
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|
RDA-501HA |
cTUVus |
✓ |
✓ |
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✓：Standard, ○：Option, －：Not Applicable
Caution
