Multi-Stage Roots Type Dry Vacuum Pump RDA Series

Six-stage / with Thermostat

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

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
100~115V

200~240V

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