Edwards Vacuum A36318986 E2M18 ATEX Two Stage Rotary Vane Pump, 115V, 1ph, 60Hz Ex II 2G IIC T4
Technical Data
| Displacement (swept volume) | |
| 50 Hz | 1.8 m3h-1 / 1 ft3min-1 |
| 60 Hz | 2.2 m3h-1 / 1.3 ft3min-1 |
| Speed (Pneurop 6602) | |
| 50 Hz | 1.6 m3h-1 / 0.8 ft3min-1 |
| 60 Hz | 2.0 m3h-1 / 1.2 ft3min-1 |
| Ultimate vacuum (total pressure) | |
| without gas ballast | 3 x 10-3 mbar / 2.3 x 10-3 Torr |
| with gas ballast | 2.5 x 10-2 mbar / 1.9 x 10-2 Torr |
| Inlet connection | NW10 flange |
| Outlet connection** | Nozzle 11 mm external diameter removable from 3/8 inch BSP tapped hole |
| Maximum permitted pressure at outlet | 0.5 bar gauge / 7 psig |
| Maximum inlet pressure for water vapour | 15 mbar / 11 Torr |
| Maximum water vapour pumping rate | 16 gh-1 |
| Motor power 50/60 Hz (IP54) | 0.16 kW |
| Nominal rotation speed 50/60Hz | 2800/3400 rpm |
| Power connector | IEC EN60320 C13 |
| Operating temperature range | 12 - 40 °C |
| Weight | 10 kg / 22 lbs |
| Noise | 54 dB (A) @ 50 Hz |
| Noise with acoustic enclosure | 47 dB(A) @ 50Hz |
| Oil capacity - max | 0.28 litre |
| min | 0.2 litre |
| Recommended oil (supplied) | Ultragrade 15 |
** The FX are supplied with NW25 outlet connection
Features and Benefits
- Approved to external ATEX standards Ex II 2G IIC T4 and Ex II 2G IIB T4, which enables use in hazardous environments.
ATEX EM18 pumps have an external ATEX classification of Ex II 2G IIC T4 or Ex II 2G IIB T4 and are suitable for use in potentially explosive atmospheres. They share the same internal ATEX classification as our standard EM18 pumps, namely Ex II 3G c IIB T4. ATEX pumps with flameproof motors require the user to provide 2 off hazardous area cable glands and cables. In addition, connection of the thermistors to an appropriate safety circuit must be made to switch off the pump if overheating occurs. The pumps are supplied with the gas ballast port plugged. When pumping flammable gasses or vapours you must fit and inert gas purge to this port to dilute such gasses or vapours below the lower explosive limit.
Supplied with ultragrade 19 oil, NW25 O-ring and centering ring.
Supplied with ultragrade 19 oil, NW25 O-ring and centering ring.
Technology
The motor is totally enclosed and is cooled by the motor-cooling fan which directs air along the motor fins. The motors are fitted with a thermal overload device. When the motor is too hot, the thermal overload device switches off the pump. The thermal overload device has an automatic reset; when the motor cools down, the device resets and the motor will restart.
An oil pressure system lubricates the pump shaft bearing surfaces and rotor sealing faces. The pump has an oil distribution valve which prevents discharge of oil to the pump interior (suckback) after the pump stops. The pumping chambers are air-tight, so this arrangement prevents oil suckback unless the gas ballast valve is open.
You can inspect the level and condition of oil in the oil box reservoir through the oil sight-glass. An oil filler-plug is fitted to the top of the oil box. The pump has two oil drain-plugs to allow either gravity oil drain or pressure oil drain.
An oil pressure system lubricates the pump shaft bearing surfaces and rotor sealing faces. The pump has an oil distribution valve which prevents discharge of oil to the pump interior (suckback) after the pump stops. The pumping chambers are air-tight, so this arrangement prevents oil suckback unless the gas ballast valve is open.
You can inspect the level and condition of oil in the oil box reservoir through the oil sight-glass. An oil filler-plug is fitted to the top of the oil box. The pump has two oil drain-plugs to allow either gravity oil drain or pressure oil drain.
Applications
- Hazardous area pumping