TECHNICAL DATA

Hz Units E2M0.7 E2M1.5 E2M2.5 E1M18 E2M18 E2M28
Peak pumping speed 50 m3h-1 0.75 1.6 2.5 17 17 27.5
60 cfm 0.5 1.2 1.8 12.1 12.1 19.4
Ultimate pressure w/o gas ballast 50 mbar 3.0×10-3 1.5×10-3 3.0×10-3 3×10-2 1×10-3 1×10-3
60 Torr 2.3×10-3 1.1×10-3 2.3×10-3 2.3×10-2 7.5×10-4 7.5×10-4
Ultimate pressure with gas ballast 50 mbar 2×10-1 2.5×10-2 2.5×10-2 6.5×10-1 1.5×10-2 1.5×10-2
60 Torr 1.5×10-1 1.9×10-2 1.9×10-2 4.9×10-1 1.1×10-2 1.1×10-2
Ultimate pressure with PFPE fluid 50 mbar n/a n/a n/a 3×10-1 1×10-2 1×10-2
60 Torr n/a n/a n/a 2.3×10-1 7.5×10-3 7.5×10-3
Water vapour tolerance mbar 15 15 15 50 20 30
Torr 11 11 11 38 15 23
Water vapour capacity g/h 8 16 16 650 300 700
Maximum continuous inlet pressure* mbar a (Torr a) 50 (38) 100(75)
Maximum gas ballast/purge pressure bar gauge (psig) 0.5 (7)
Supply voltage V 100-120/200-240 (+/- 10%) 115/200-230 (+/- 10%)
Supply frequency Hz 50/60
Mechanical power 1 phase 50 kW 0.09 0.16 0.16 0.75 0.75 0.75
60 kW 0.09 0.16 0.16 0.9 0.9 0.9
Mechanical power 3 phase 50 kW 0.55 0.55 0.75
60 kW 0.66 0.66 0.9
Nominal rotation speed 50 rpm 1400 2800 2800 1440 1440 1440
60 rpm 1700 3400 3400 1720 1720 1720
Power connector (**) IEC EN60320 C13 IEC EN60320 C13 IEC EN60320 C13 IEC EN60320 C19 IEC EN60320 C19 IEC EN60320 C19
Weight Ib 22 22 22 84 90 97
kg 10 10 10 38 41 44
Oil type (recommended) ULTRAGRADE™ Performance 15 ULTRAGRADE™ Performance 19
Oil capacity (maximum) litre 0.32 0.32 0.32 1.4 1.05 1.32
Oil capacity (minimum) litre 0.2 0.2 0.2 0.9 0.75 1.2
Inlet flange NW10 NW10 NW10 NW25 NW25 NW25
Exhaust flange(1) Nozzle 11mm external Ø removable from 3/8 in BSP tapped hole Nozzle 15mm external diameter removable from 3/4 in BSP tapped hole
Operating temperature range ˚C 12 to 40 12 to 40 12 to 40 13 to 40 13 to 40 13 to 40
Noise level at 50Hz dB(A) 43 54 55 57 57 57
Noise with acoustic enclosure(2) dB(A) 36 47 48 50 50 50

(*) These oil sealed rotary vane pumps are designed to evacuate chamber from atmospheric pressure down to ultimate vacuum.
Please note there is a maximum inlet pressure that these pumps can operate at continuously.
(**) pumps listed with IEC connector only

(1) PFPE variants are supplied with NW25 outlet connection
(2) approx. noise reduction 7 dB(A