Edwards E2M18 12.1 CFM Dual-Stage Pump

The EM range of oil-sealed 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 E2M18 pump is a two-stage, direct drive, sliding vane pump. The pump is oil sealed and designed for reliable, long-term operation. The pump is a freestanding unit with the drive provided through a flexible coupling by either a single-phase or three-phase (four-pole) motor.

Supplied with: Ultragrade 19 oil, NW25 O-ring and centering ring.

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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.

• Analytical instruments – LCMS
• Automotive
• Beam lines and high energy physics
• Centrifuges, ultra-high speed
• Coating
• Cryogenics
• Degassing/curing – oil, epoxy resin
• Distillation/extraction/filtration
• Freeze drying
• Furnaces
• Gas bottle filling/emptying
• Gel drying
• Glove boxes, ovens
• Laboratory bench top vacuum
• Leak detectors, Helium
• Load locks and transfer chambers
• Refrigeration manufacture
• Research and development
• Rotary, centrifugal evaporators
• Scanning electron microscopes – SEM
• SEM/FIB (Ion beam repair)
• Solvent recovery
• Surface science instruments
• Turbomolecular backing pumps
• TV manufacturing / light bulb manufacture