Edwards E1M18 Vacuum Pump As-is, CLEARANCE!

sku: 7772315
1 In Stock
Condition : Pre-owned
Warranty : AS-IS
Region : EU
€269.00€899.00
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  • Make Edwards
  • Hertz 50Hz/60Hz
  • Model E1M18
  • Serial 016896792
  • Weight 20
  • Voltage 240V
  • Working Working
  • Includes Power Cord
  • Warranty AS-IS
  • Dimensions 60×20×25 in
  • Shipping Type Freight
  • Item Condition Pre-owned
  • Manufacturing Date N/A

If applicable: Unit Powers on, no visible error messages or error codes.

Overview

The EM range of oilsealed rotary pumps – renowned for their high ultimate vacuum, rapid pumping speed, quiet operation and ability to handle vapour – have become the industry standard for laboratory and light industrial applications. The pump is a freestanding unit with the drive provided through a flexible coupling by either a singlephase or threephase (four pole) motor.

Technology

This is a single stage oil sealed rotary vane pump which has a pressurised oil system that 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 an oil drain-plug to allow either gravity oil drain or pressure oil drain.

Applications

  • Analytical instruments
  • Leak detectors, Helium
  • Research and development
  • Backing Turbomolecular pumps

Features and Benefits

The pump is designed for reliable, longterm operation.
Thermal overload device prevents overheating (single phase only).
The drive is provided through a flexible coupling by a singlephase or threephase (four pole) motor.
The motors are totally enclosed and are cooled by the motor cooling fan.
Full height O ring sealed oil sight glass for easy checking of oil level and condition.
Large sight glass and operating oil range.

 

Technical Data

Displacement (50Hz) 20.5 m3h-1 /
  12.1 ft3min-1
Displacement (60Hz) 25.0 m3h-1 /
  14.7 ft3min-1
Speed (Pneurop 6602)  
50Hz 17.0 m3h-1 /
  10 ft3min-1
Speed (Pneurop 6602)  
60Hz 20.4 m3h-1 /
  12.1 ft3min-1
Ultimate vacuum (total pressure)  
without gas purge 3 x 10-2 mbar /
  2.2 x 10-2 Torr
with gas purge 6.5 x 10-1 mbar /
  4.8 x 10-1 Torr
with Fomblin® 3 x 10-1 mbar /
  2.56 x 10-2 Torr
Inlet connection NW25
Outlet connection** Nozzle 15 mm external Ø removable from 3/4 in BSP tapped hole
Max permitted pressure at outlet 0.5 bar gauge /
  7 psig
Max inlet pressure 50 mbar /
for water vapour 38 Torr
Max water vapour pumping rate 0.65 kg h-1
Operating temp range 13-40°C
Nominal Rotation speed 50/60Hz 1440/1720 rpm
Power connector 1-ph* IEC EN60320 C19
Motor power 50 Hz 0.55 kW
Motor power 60 Hz 0.75 kW
Weight 37 kg / 82 lbs
Noise @ 50Hz 57 dB(A)
Oil capacity - max 1.4 litre
Oil capacity - min 0.9 litre

Recommended oil
(Not - supplied)

Ultragrade 19

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