Edwards E2M30 Vacuum Pump Dual Stage (Refurbished)

The Edwards E2M30 is a two-stage oil-sealed rotary vane vacuum pump designed for laboratory and industrial vacuum applications requiring high pumping speed, deep vacuum performance, and exceptional long-term reliability. Its two-stage compression design delivers excellent pumping performance together with low ultimate pressure, making it an ideal backing pump for turbomolecular pumps as well as a versatile standalone vacuum source.

Key Features

• Two-stage oil-sealed rotary vane vacuum pump
• Pumping speed up to 33 m³/h
• Ultimate pressure down to 0.1 Pa
• Ideal backing pump for turbomolecular pumps
• Advanced lubrication circuit
• Gas ballast valve for efficient water vapor handling
• Forced-air cooling
• Low operating noise
• Oil level and condition sight glass
• Wide-voltage motor
• Integrated IEC power connector
• Rugged industrial construction
• Designed for continuous-duty operation
• Easy maintenance

Technical Specifications

Pump Type

• Oil-sealed rotary vane vacuum pump
• Two-stage compression

Performance

• Nominal pumping speed (50 Hz): 27.5 m³/h
• Nominal pumping speed (60 Hz): 33.0 m³/h
• Maximum displacement (50 Hz): 32.2 m³/h
• Maximum displacement (60 Hz): 38.9 m³/h

Vacuum Performance

• Ultimate pressure: 0.1 Pa
• Ultimate pressure with gas ballast: 1.5 Pa
• Maximum water vapor pressure: 3000 Pa

Motor

• Rated power (50 Hz): 750 W
• Rated power (60 Hz): 900 W

Construction

• High-grade cast iron rotor
• High-grade cast iron stator
• Oil capacity: 1.2–1.5 L

Connections

• Inlet: DN25 ISO-KF (NW25)
• Outlet: 15 mm hose nozzle

Dimensions and Weight

• Dimensions: 626 × 180 × 262 mm
• Weight: 44 kg
• Noise Level: 57 dB(A)

Typical Applications

• Mass spectrometry
• Turbomolecular vacuum systems
• Electron microscopy
• Vacuum furnaces
• Vacuum drying
• Pharmaceutical manufacturing
• Chemical processing
• Food processing
• Research laboratories
• Industrial vacuum applications