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MODEL: RDA-281H/RDA-501H

MODEL: RDA-281H/RDA-501H

Multi-Stage Roots Type Dry Vacuum Pump

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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Features

  • Reach performance equivalent to dry and oil rotary pump.
  • It can operate in all pressure zones from atmospheric pressure to reach.
  • Strong against water vapor.
  • No need for cooling water.
  • Supports single phase / three phase power supply with one model.
  • Long service life without sliding parts.

Applications

  • Analytical equipment.
  • Gas recovery system.
  • Coating equipment.
  • Back pump for TMP.
  • Helium leak detector.
  • Manufacturing process for semiconductor.

Model

Unit

RDA-281H

RDA-501H

Actual pumping speed

L/min

280

500

Ultimate pressure:F.A close(F.Aopen)※

Pa

≦8.0 X 10-2(≦6.0)

Motor

 

720W + 10W DC Motor

Power supplyVoltage

Single phase

V

100 - 115/200 - 240

Three phase

200 - 240

Full load current

Single phase

A

10/5 (100 - 115V/200 - 240V)

Three phase

5 (200 - 240V)

Weight

kg

38

Inlet flange

 

KF-25

Outlet pipe diameter

 

KF-25

Ambient temperature

5 - 40

Water capability

g/h

≦300

External dimensions (W x L x H)

mm

RDA-281H : 180 X 520X 377

RDA-501H: 180x520x377

RDA-281HA: 180X 588X 377H

RDA-501HA: 180x520x377

※:F.A=Flush. Air

Corresponding certificate/Voltage

Model

Applicable standard

CEDeclartion of confirmity


100 - 115V


200 - 240V


200 - 240V

RDA-281H

RDA-281HA

cTUVus

RDA-501H

RDA-501HA

cTUVus

✓:Standard, ○:Option, -:Not Applicable

 

Caution

  1. If the pump evacuates the powder or the product, it might be damaged. Please use the inlet filter etc.
  2. Do not evacuate gas which is hazardous to humans or explosive, flammable, or corrosive. If done, it can cause failure by gas, explosion or ignite.
  3. It is a pump only in the room.Please do not set it up in the place, that rain and water splash, and outdoors.

 

Dimension drawing

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Dimension drawing

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