Multi-Stage Roots Type Dry Vacuum Pump rda Series

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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.

specifications

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

Pumping Speed Curves

Company Profile

Sells and provides customer support for vacuum equipments and components

contact us

ULVAC Singapore Pte.Ltd.
India Branch

301, Tara Tycoon 12-13-97, Tarnaka Secunderabad – 500 017, India

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