Edwards E1M18

Parameter
Data
E1M18 E2M18
Motor rotaonal speed
50 Hz electrical supply
1440 r min
-1
1440 r min
-1
60 Hz electrical supply
1720 r min
-1
1720 r min
-1
Ulmate vacuum
without gas-ballast
(paral pressure)
2 x 10
-2
mbar
2 Pa
1 x 10
-4
mbar
1 x 10
-2
Pa
without gas-ballast
(total pressure)
3 x 10
-2
mbar
3 Pa
1 x 10
-3
mbar
1 x 10
-1
Pa
with full gas-ballast
(paral pressure)
6.5 x 10
-1
mbar
6.5 x 10
1
Pa
5 x 10
-3
mbar
5 x 10
-1
Pa
Maximum water vapour inlet pressure
50 mbar
5 x 10
3
Pa
20 mbar
2 x 10
3
Pa
Maximum water vapour pumping rate
0.65 kg h
-1
0.3 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
Approximate pump mass 38 kg (E1M18), 41 kg (E2M18)
Dimensions Refer to Figure: Dimensions (mm) on page 15
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 14
A34310880_T - Technical data