Edwards E2M30 Vacuum Pump Dual Stage (Refurbished)

The Edwards E2M30 is a rugged two-stage oil-sealed rotary vane vacuum pump designed for applications requiring reliable vacuum generation, high pumping performance, and continuous operation. Combining high pumping speed with excellent ultimate vacuum, it provides a dependable solution for analytical laboratories, research facilities, and demanding industrial vacuum processes.

Key Features

• Two-stage compression for superior vacuum performance
• Pumping speed up to 33 m³/h
• Ultimate pressure down to 0.1 Pa
• Proven oil-sealed rotary vane technology
• Reliable continuous-duty operation
• Gas ballast valve for improved water vapor handling
• Advanced lubrication system
• Forced-air cooling
• Low operating noise of 57 dB(A)
• Oil sight glass for quick inspection
• Wide-voltage motor
• Compact industrial design
• Easy servicing with extended maintenance intervals
• Suitable for laboratory and industrial vacuum systems

Technical Specifications

Performance

• Pumping speed (50 Hz): 27.5 m³/h
• 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
• Wide-voltage motor

Connections

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

Construction

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

Physical parameters

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

Typical Applications

• Backing pump for turbomolecular pumps
• Mass spectrometry
• Electron microscopy
• Vacuum coating
• Vacuum furnaces
• Freeze drying
• Chemical processing
• Pharmaceutical manufacturing
• Food processing
• Research laboratories