Turbo Pump Dry Pump
 

ET-WS Series Turbo Pumps

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The ET Series offers two major types of turbomolecular pumps - high compression, ET-H Series turbomolecular pumps, and a wide range corrosion resistant, ET-WS Series.

The ET turbomolecular pumps features a wide pressure range with maximum back pressure of 3 Torr.

The ET-WS Series turbomolecular pumps also offer a temperature controlled model, and the ET-WS (-A) model turbomolecular pumps has been designed for etching applications.

ET-WS Turbo Pump
ET-300WS ET-450WS ET-600WS ET-1301WS ET-1600WS ET-2500WS ET-3300WS

Untitled Document

ET 300WS Series Specification

Flange Inlet VG 100
Outlet
NW 25
Pumping Speed
N2 (L/S) 270
Maximum Compression Ratio N2 > 10 E 9
N2 7 x 10 E 3
Ultimate Pressure Torr < 10 E-6
Allowable Outlet Pressure
Pa (Torr) 400 (3)
Revolution Speed RPM 48,000

Run-Up Time

Minutes 6
Installation Position   Any
Vibration Level um 0-p < 0.01
Pump Bake Out Temperature Deg C max 100
Bearing System   5-axis magnetic bearing
Cooling System   water
Cooling Water Flow Rate L / min > 2
N2 Gas Throughput for Purging Pa-L/Sec
(sccm)
85
(50)
Weight kg 15
Controller Model 306W-TF
Input Voltage VAC 100-240
Frequency Hz 50/60
Phases   1
Maximum Current
200 (100) VAC
A 4
(7)
Temperature Deg C 0 - 45
Approx. Weight Kg 17

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