Edwards E2M28 - Mechanical Data

Parameter E2M28 E2M30
60 Hz electrical supply
1720 r min
-1
1720 r min
-1
Ulmate vacuum
without gas-ballast (paral pressure)
1 x 10
-4
mbar
1 x 10
-2
Pa
7 x 10
-5
torr
without gas-ballast (total pressure)
1 x 10
-3
mbar
1 x 10
-1
Pa
7 x 10
-4
torr
with full gas-ballast (paral pressure)
2 x 10
-1
mbar
2 x 10
1
Pa
1.5 x 10
-1
torr
Maximum water vapour inlet pressure 30 mbar
3 x 10
3
Pa
22.5 torr
Maximum water vapour pumping rate
0.7 kg h
-1
0.7 kg h
-1
Maximum permied outlet pressure (for full
pump throughout)
0.5 bar gauge
1.5 bar absolute
1.5 x 10
5
Pa
0.5 bar gauge
1.5 bar absolute
1.5 x 10
5
Pa
3.3 Mechanical data
Table 3 Mechanical data
Parameter
Data
Approximate pump mass 44 kg
Dimensions Refer to Figure: Dimensions (mm) on page 14
Degree of protecon
Single-phase motors IP44
Three-phase motors IP54
Pump inlet port NW25 (the ange can be removed from the 1 inch BSP
threaded hole)
Pump outlet port 15 mm external diameter nozzle (the nozzle can be
removed from the 3/4 inch BSP threaded hole)
Page 13
A37310880_V - Technical data