Multi-Stage Roots Type Dry Vacuum Pump RDA Series

 

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.

Specification

Actual pumping speed
 L/min 280
Ultimate pressure：F.A close（F.Aopen）※
 Pa ≦8.0×10-2（≦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
 mm 180（W）×520（L）×377（H）　RDA-281H
180（W）×588（L）×377（H）　RDA-281HA
※：F.A＝Flush. Air

Corresponding certificate／Voltage

Model Applicable standard CEDeclartion of confirmity 1Φ
100～115V		 1Φ
200～240V		 3Φ
200～240V
RDA-281H － － ●
RDA-281HA 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

zu_rda281h.gif

 

zu_rda281ha.gif

Pumping Speed Curves

 

curve_rda281h.gif

Contact Us

  • ULVAC Singapore Pte. Ltd. Philippines Branch

    B111 L9 DBB, Barangay Santa Lucia, Dasmarinas, Cavite, 4114 Philippines

  • +63 46 437 7700

  • +63 46 437 7711

  • [email protected]

Google map